Science Question Papers

10th Science - Visual Communication Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Which software is used to create animation?
2)
All files are stored in the _____________
3)
Which is used to build scripts?
4)
Which is used to edit programs?
5)
Where you will create category of blocks?

10th Science - Environmental Management Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
The system of National parks and wild life sanctuaries was established in________
2)
There are______ biosphere reserves in India.
3)
The first National park to be established in India was________
4)
The project for conservation of_______was launched in 1976
5)
India is the__________largest consumer of crude oil.

10th Science - Breeding and Biotechnology Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
The International rice research institute is located at___________.
2)
Blood dotting factors produced by biotechnology helps patients suffering from__________.
3)
In human beings, _________ of the DNA base sequences are the same and this is called as bulk genomic DNA.
4)
________ is father of "Indian Green Revolution"
5)
_________ is a hybrid of wheat and rye

10th Science - Origin and Evolution of Life Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Biogenesis was speculated by _________.
2)
Ancon sheep is an example of _________.
3)
The Father of Paleobotany / Founder of Modern Paleobotany is _______
4)
The process of formation of fossils in the rocks is called ________.
5)
The degenerated wing of ___________ is an example for organ of disuse.

10th Science - Heredity Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
The haploid condition in a human cell refers to________ chromosomes
2)
______is not a nitrogenous base.
3)
Choose the correct pair
4)
Franklin and Wilkin were awarded nobel prize for_______
5)
Down's syndrome is a case of___________

10th Science - Reproduction in Plants and Animals Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Pollination with the help of insects like honey bees, flies are called_________
2)
________is a disc shaped structure.
3)
Milk production from alveoli of mammary gland is stimulated by_______
4)
Theejection of milk is stimulated byposterior pituitary hormone called_____
5)
Breaking of the filament into many fragments is called_____________

10th Science - Plant and Animal Hormones Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Dwarfism is caused by decreased secretion of ______ in children.
2)
Goitre is caused due to the inadequate supply of _____ in our diet.
3)
Thyroid gland requires _____ of iodine everyday for the production of thyroxine.
4)
______ is the hormone secreted by Thymus.
5)
______ first crystallised thyroxine hormone.

10th Science - Nervous System Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Sneezing, yawning etc are examples of _______
2)
______ is not a characteristic of neuron.
3)
The axons may be covered by a protective sheath called ______
4)
______ acts as a insulator.
5)
Each neuron can transmit ______ nerve impulses per second.

10th Science - Health and Diseases Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
____________ is not a method of treatment for cancer.
2)
AIDS affects the ___________ system.
3)
World AIDS Day is observed on ______________
4)
Obesity is not a risk factor for ___________
5)
Excess hunger is called ______________

10th Science - Transportation in Plants Circulation in Animals Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
The_______ are also called polymorpho nuclear leucocytes
2)
The _________are the largest ofleucocytes
3)
Transpiration does not___________
4)
Identify the wrong statement
5)
Water from soil enters the root hairs due to___________

10th Science - Structural Organisation of Animals Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
In leeches there are ________pairs of nephridia.
2)
The number of cranial and spinal nerves in rabbit are_______ respectively
3)
The_______ glands are modified glands of the skin
4)
PNSis formed of _______pairs of cranial nerves in Rabbit
5)
The third Ventricle in brain of Rabbit lives in______

10th Science - Plant Anatomy and Plant Physiology Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
______________ is the outermost layer of the root.
2)
Name the tissue present between the upper and lower epidermis.
3)
Who discovered light dependent photossynthesis?
4)
The inner mitochondrial membrane gives rise to finger like projections called ____________
5)
Leucoplasts are __________ plastids.

10th Science - Carbon and Its Compounds Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Ethene is an ___________
2)
The enzymes present in yeast is / are _____________
3)
Rectified spirit contains
4)
Ethanolis used as ______________
5)
Ethanoic acid turns

10th Science - Types of Chemical Reactions Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Pick out
Compound + element ⟶ compound type of combination reaction
2)
Pick out a chemical reaction which is not feasible
3)
Pick out the metal that displaces hydrogen from hydrochloric acid.
4)
Which among the following is not a balanced equation?
5)
Acids have pH

10th Science - Solutions Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Quick lime is dissolved in water is a ______________ process.
2)
Example for solid in solid ___________
3)
The number of components in a binary solution is ______________
4)
In which of the following solutions, both solute and solvent are solids?
5)
Solubility of KNO₃ ____________ with the increases in temperature.

10th Science - Periodic Classification of Elements Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Noble gases belong to group ___________
2)
Arrange the following in the increasing order of the size. Cl^-, Cl, Cl⁺
3)
Electronegativity values are based on ______________
4)
Slag is.
5)
The chemical formula of sodium meta aluminate is ___________

10th Science - Atoms and Molecules Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
An atom of an element has 13 electrons and mass number 27. The nucleus of this atom contains ____________ neutrons.
2)
The relative atomic masses of many elements are not whole number because
3)
The atomicity of Chlorine is
4)
The total number of electrons present in 16 g of methane gas is
5)
What mass of hydrogen and oxygen will be produced on complete electrolysis of 18 g of water

10th Science - Nuclear Physics Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Fusion reaction takes place at high temp.
2)
Atomic nucleus was discovered by _______
3)
Henry Becquerel discovered ________ in 1896
4)
Elements having atomic number greater than ________ are radioactive.
5)
૪ rays are ________ in charge.

10th Science - Acoustics Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Distance between two consecutive compressions is
2)
Sound can travel in
3)
Sound travels with a velocity of ____________ in dry air
4)
Dogs can receive sound upto _____ kHz.
5)
When sound travels through air, the air particles.

10th Science - Electricity Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Give the name of components which is designed to oppose the flow of current.
2)
The resistance of a conductor directly proportional to
3)
The resistance of a conductor is inversely proportional to its _______.
4)
What happens when ammeter connected in parallel?
5)
If resistance of a wire is r ohms and wire is stretched to double its length, then what is its resistance?

10th Science - Thermal Physics Important Questions - by Ganesh - Dharapuram - View & Read

1)
The value of universal gas constant
2)
Temperature is the average ______ of the molecules of a substance
3)
Linear expansion is the change in _____ when object is heated or cooled.
4)
If the atoms or molecules of a gas do not interact with each other, then the gas is said to be an ____
5)
Thermal conduction in metal is due to

10th Science Optics Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
In a myopic eye, the image of the object is formed
2)
The eye defect ‘presbyopia’ can be corrected by
3)
Which of the following lens would you prefer to use while reading small letters found in a dictionary?
4)
Violet and red light ______ wavelengths.
5)
We can see objects because of

10th Science Laws of Motion Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
The mass of a body is measured on planet Earth as M kg. When it is taken to a planet of radius half that of the Earth then its value will be____kg
2)
If the Earth shrinks to 50% of its real radius its mass remaining the same, the weight of a body on the Earth will
3)
______ deals with the bodies which are at rest under the action of forces.
4)
The resistance of a body to change its direction of motion is
5)
Mixing sugar in a glass of milk using a spoon is ______

10th Science Half Yearly Model Question Paper 2019 - by Ganesh - Dharapuram - View & Read

1)
When an object undergoes acceleration
2)
Velocity of sound in a gaseous medium is 330 m s^-1. If the pressure is increased by 4 times without causing a change in the temperature, the velocity of sound in the gas is
3)
_____ is a relative periodic property
4)
Solubility of NaCl in 100 ml water is 36 g. If 25 g of salt is dissolved in 100 ml of water how much more salt is required for saturation _____________
5)
Which among the following factors affect the rate of a reaction?

10th Science - Visual Communication Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Which software is used to create animation?
2)
All files are stored in the _____________
3)
Which is used to edit programs?
4)
Where you will create category of blocks?
5)
Multiplefilesarestoredina___________

10th Standard Science - Environmental Management Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
What are the steps will you adopt for better waste management?
2)
Soil erosion can be prevented by
3)
A renewable source of energy is
4)
An inexhaustible resources is
5)
A cheap, conventional, commercial and inexhaustible source of energy is

10th Standard Science - Health and Diseases Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
World 'No Tobacco Day' is observed on
2)
Which type of cancer affects lymph nodes and spleen?
3)
Cancer of the epithelial cells is called
4)
Polyphagia is a condition seen in
5)
Where does alcohol effect immediately after drinking?

10th Standard Science - Breeding and Biotechnology Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Pusa Komal is a disease resistant variety of _________.
2)
Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of _______.
3)
rDNA is a
4)
Organisms with modified endogenous gene or a foregin gene are also known as
5)
Dr. Norman received the Nobel peace prize in_________

10th Standard Science - Origin and Evolution of Life Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Biogenetic law states that ___________
2)
Paleontologists deal with
3)
The term Ethnobotany was coined by
4)
________ is not an example of vestigial organ.
5)
_______ is the only planet in the Goldilock. zone.

10th Standard Science - Heredity Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
9 : 3 : 3 : 1 ratio is due to
2)
The region of the chromosome where the spindle fibres get attached during cell division
3)
The centromere is found at the centre of the ________________ chromosome
4)
The _____________ units form the backbone of the DNA.
5)
Okasaki fragments are joined together by ___________________.

10th Science - Reproduction in Plants and Animals Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
The plant which propagates with the help of its leaves is ___________
2)
What is true of gametes?
3)
Estrogen is secreted by
4)
Which one of the following is an IUCD?
5)
Each stamen consists of a small bag like structure called_______

10th Standard Science - Term II Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Inertia of a body depends on
2)
If a substance is heated or cooled, the change in mass of that substance is
3)
SI unit of resistance is
4)
Unit of radioactivity is _____________
5)
Which of the following is a triatomic molecule?

10th Standard Science - Plant and Animal Hormones Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
The hormone which has positive effect on apical dominance is:
2)
Which one of the following hormones is naturally not found in plants.
3)
Avena coleoptile test was conducted by
4)
To increase the sugar production in sugarcanes they are sprayed with _______
5)
LH is secreted by

10th Science - Nervous System Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Bipolar neurons are found in
2)
Site for processing of vision, hearing, memory, speech, intelligence and thought is
3)
In reflex action, the reflex arc is formed by
4)
Dendrites transmit impulse ______ cell body and axon transmit impulse ______ cell body.
5)
The outer most of the three cranial meninges is

10th Standard Science - Carbon and Its Compounds Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
The molecular formula of an open chain organic compound is C₃H₆. The class of the compound is
2)
Rectified spirit is an aqueous solution which contains about _______ of ethanol
3)
TFM in soaps represents ___________ content in soap
4)
Cyclobutane is an example of ______________ compounds.
5)
The enzymes present in yeast is / are _____________

10th Standard Science - Plant Anatomy and Plant Physiology Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Casparian strips are present in the _____________ of the root.
2)
The endarch condition is the characteristic feature of
3)
Oxygen is produced at what point during photosynthesis ?
4)
Amphivasal bundle belongs to ___________ type of vascular, bundle.
5)
The ___________ is called starch sheath in a dicot stem.

10th Standard Science - Structural Organisation of Animals Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
In leech locomotion is performed by
2)
Mammals are ______________ animals.
3)
The animals which give birth to young ones are
4)
Leeches have ___________
5)
In leeches sperms are stored in

10th Standard Science - Transportation in Plants Circulation in Animals Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Water which is absorbed by roots is transported to aerial parts of the plant through
2)
The wall of human heart is made of
3)
Which one of the following regarding blood composition is correct
4)
The _________are the largest ofleucocytes
5)
The life span of platelets is_________

10th Standard Science - Environmental Management Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Write a note on biogas.
2)
Write a note an solar cells.
3)
Write a note an wind energy
4)
Explain the waste water treatment process
5)
Afamily has 3 three cars and can afford to buy fuel. They prefer to go out independently. Is it right to suggest car pooling for such people. Justify.

10th Standard Science - Health and Diseases Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Write a note an smoking hazards and effects of Tobacco.
2)
Write a note an prevention and control of AIDS.
3)
Write a note on Obesity.
4)
What is diabetes? Explain the types.
5)
Ramu studies in a school and his friends are discussing about drugs. They force him to use drugs and threaten to avoid him / harm him if he refuses. What should Ramu do?

10th Science - Breeding and Biotechnology Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Write a note an selection.
2)
Write a essay on polyploidy breeding.
3)
Why are Genetically modified organisms produced? Explain the purpose and advantages.
4)
Plants seeds got from other countries are tested in plant quarantine. Reason out.
5)
A farmer has lot of banana trees in his form. He wishes to go in for selection to improve the crop. Which method can he adopt in banana?

10th Science - Origin and Evolution of Life Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Why is Archaeopteryx considered to be a connecting link?
2)
Write a note on evidences from Morphology and Anatomy in favour of Evolution.
3)
Explain Use and Disuse theory.
4)
Two kittens (Leo and Joe) from the same mother were separated and sent to different habitual conditions. Leo was sent to a high mountain wild region and Joe was domesticated and lived in a city. After a good 5 years) it was found that Leo was aggressive and built strong with hunting skills. Leo looked tall with strong legs and muscled structure) whereas Joe was a well mannered cat looked puffy with soft legs.
(i) Do you think habitual condition impact animal characters?
(ii) What acquired characters does Leo inherit?
(iii) Is it true but Leo's offspring would be a hunter?
5)
X is the oldest fossil bird. The animal X became extinct a long time ago. But the study of fossils of
X tells us that it had features like birds and some like reptiles.
(i) Identify 'X'?
(ii) Name one feature in which 'X' resembled birds.
(iii) Name one feature in which 'X' resembled reptiles.

10th Science - Heredity Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What are Okazaki fragments?
2)
How are chromosomes classified based on the position of centromere?
3)
Write a note on DNA replication.
4)
Write a note on mutation
5)
Mala had a huge scar on her cheek after she met with fire accident during her college days. She is worried ifher baby would inherit the scar she had acquired. She clarified with her doctor, she need not worry about it, as her scar is an acquired trait.
(i) What are acquired traits?
(ii) How is it different from inherited traits?

10th Science - Reproduction in Plants and Animals Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Write a note on agents of pollination.
2)
Explain the process of fertilization in plants?
3)
Government has brought in lot of measures to focus on health of a pregnant woman. Answer the following questions based on the same
(a) Name the tissue responsible for transfer of nutrients from mother to the offspring during pregnancy.
(b) Suggest two measures to maintain a woman's health during pregnancy.
4)
Arun and Ram were good friends. But Ram slowly started loosing interest in studies as they grew up. The teacher found out that Ram had three siblings and their parents could not give him good food or personal care. What value does this episode give us.
5)
My friend Manisha received a marriage proposal from a boy living abroad. Before they met and finalised the wedding, Manisha ~ requested her parents to get the boy's blood test report. E
(i) Do you think blood test report is i necessary for both boy & girl?
(ii) Do you think, blood test report is not " necessary for the boy living in India?

10th Science - Plant and Animal Hormones Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Explain the physiological effects of Auxins.
2)
(a) Describe the structure of thyroid gland?
(b) List the functions of thyroid hormones.
3)
Write a note on Thyroid Dysfunctions.
4)
Describe the role of pancreas in maintenance of blood sugarlevel.
5)
In botanical gardens and tea gardens the gardeners trim the plants regularly so that they remain bushy. Write the scientific explanation of this practice.

10th Science - Nervous System Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Tabulate the different parts of the brain and their functions.
2)
List the function of cerebrospinal fluid.
3)
Differentiate simple reflexes and conditional reflexes.
4)
Rani fell from her bike and had a head injury. She was hospitalized and discharged later. What do you think she could have done to save herself from this accident.
5)
'A' contains a cerebrospinal fluid filled cavity known as 'B'. How many nerves are produced from A.
(i) What isA?
(ii) What is 'B'?

10th Science - Transportation in Plants Circulation in Animals Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What would happen to the leaves of a plant that transpires more water than its absorption in the roots?
2)
Describe the structure and working of the human heart.
3)
Why is the circulation in man referred to as double circulation?
4)
Write a note an ABO blood grouping.
5)
List the difference between RBC and WBC

10th Standard Science - Types of Chemical Reactions Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
H_2(g) + Cl_29(g) → 2HCl_(g) is a
2)
Photolysis is a decomposition reaction caused by
3)
The reaction between carbon and oxygen is represented by C_(s) + O2_(g)→ CO_2(g) + Heat. In which of the type(s), the above reaction can be classified?
(i) Combination Reaction
(ii) Combustion Reaction
(iii)Decomposition Reaction
(iv) Irreversible Reaction
4)
A single displacement reaction is represented by X_(s) + 2HCl_(aq) → XCl2_(aq) + H2_(g). Which of the following(s) could be X. (i) Zn (ii) Ag (iii) Cu (iv) Mg. Choose the best pair.
5)
Which of the following is not an“element + element → compound” type reaction?

10th Standard Science - Solutions Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
A solution is a __________ mixture.
2)
The number of components in a binary solution is _____________
3)
A 25% alcohol solution means
4)
Which of the following is hygroscopic in nature?
5)
Sugar and copper sulphate crystals are dissolved in water. The solution is called as

10th Standard Science - Plant Anatomy and Plant Physiology Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Give an account on vascular bundle of dicot stem.
2)
Write a short note on mesophyll.
3)
Draw and label the structure of oxysomes.
4)
Name the three basic tissues system in flowering plants.
5)
What is photosynthesis and where in a cell does it occur?

10th Standard Science - Carbon and Its Compounds Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What is called homologous series? Give any three of its characteristics?
2)
Arrive at, systematically, the IUPAC name of the compound: CH₃–CH₂–CH₂–OH.
3)
How is ethanol manufactured from sugarcane?
4)
Give the balanced chemical equation of the following reactions:
(i) Neutralization of NaOH with ethanoic acid.
(ii) Evolution of carbon dioxide by the action of ethanoic acid with NaHCO3.
(iii) Oxidation of ethanol by acidified potassium dichromate.
(iv) Combustion of ethanol.
5)
Explain the mechanism of cleansing action of soap.

10th Science - Atoms and Molecules Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
N₂ + 3 H₂ → 2 NH₃
(The atomic mass of nitrogen is 14, and that of hydrogen is 1)
1 mole of nitrogen (_______g) +
3 moles of hydrogen ( _________ g) →
2 moles of ammonia ( _________ g)
2)
Calculate the % of oxygen in Al₂(SO4)₃. (Atomic mass: Al-12, O-16, S -32)
3)
Calculate the % relative abundance of B -10 and B -11, if its average atomic mass is 10.804 amu.
4)
Give the applications of Avogadro's hypothesis.
5)
How will you determine the atomicity of gases using Avogadro's hypothesis?

10th Science - Types of Chemical Reactions Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What are called thermolysis reactions?
2)
Explain the types of double displacement reactions with examples.
3)
Explain the factors influencing the rate of a reaction
4)
How does pH play an important role in everyday life?
5)
What is a chemical equilibrium? What are its characteristics?

10th Science - Periodic Classification of Elements Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
a) State the reason for addition of caustic alkali to bauxite ore during purification of bauxite.
b) Along with cryolite and alumina, another substance is added to the electrolyte mixture. Name the substance and give one reason for the addition
2)
The electronic configuration of metal A is 2,8,18,1.
The metal A when exposed to air and moisture forms B a green layered compound. A with con. H2SO4 forms C and D along with water. D is a gaseous compound. Find A,B,C and D.
3)
Explain smelting process
4)
Explain the salient features of periods in the modern periodic table.
5)
Explain the salient features of groups in the modern periodic table.

10th Standard Science - Structural Organisation of Animals Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Why are the rings of cartilages found in trachea of rabbit?
2)
List out the parasitic adaptations in leech.
3)
Leeches do not have secretion of digestive juices and enzymes -Why ?
4)
How is the digestive system of rabbit suited for herbivorous mode of feeding?
5)
Explain the Digestive System of Rabbit

10th Standard Science - Nuclear Physics Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
State Soddy and Fajan’s displacement law.
2)
Explain the principle & structure of atom bomb.
3)
Explain the uses of radio isotopes in medicine field?
4)
Distinguish between Nuclear fission and nuclear fusion.
5)
What are the precautions to be taken by people working in radiation labs?

10th Science - Thermal Physics Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Define and describe thermal expansion.
2)
With an illustration, explain the method of Calculation for linear expansion of an object.
3)
With an illustration, explain the method of Calculation for arial expansion of an object.
4)
With an illustration, explain the method of Calculation for cubical expansion of an object.
5)
State and explain Boyle's law.

10th Science - Solutions Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Write notes on
i) saturated solution
ii) unsaturated solution
2)
Write notes on various factors affecting solubility
3)
a) What happens when MgSO₄.7H₂O is heated? Write the appropriate equation
b) Define solubility
4)
A solution is prepared by dissolving 45 g of sugar in 180 g of water. Calculate the mass percentage of solute.
5)
3.5 litres of ethanol is present in 15 litres of aqueous solution of ethanol. Calculate volume percent of ethanol solution.

10th Science - Acoustics Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What are the categories of sound waves based on their frequencies?
2)
How will you determine the velocity of sound by echo method?
3)
write the difference between the sound and light waves.
4)
Explain the working and use of SONAR?
5)
What are the various possibilities of relative motion between source and listener?

10th Standard Science - Nuclear Physics Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Unit of radioactivity is _____________
2)
____________ isotope is used for the treatment of cancer.
3)
Proton - Proton chain reaction is an example of__________
4)
Kamini reactor is located at __________
5)
The explosion of the atomic bomb takes place due to

10th Standard Science - Acoustics Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
When a sound wave travels through air, the air particles
2)
The frequency, which is audible to the human ear is
3)
The velocity of sound in air at a particular temperature is 330 m s^-1. What will be its value when temperature is doubled and the pressure is halved?
4)
If a sound wave travels with a frequency of 1.25 x 10⁴ Hz 344 ms^-1, the wavelength will be
5)
Velocity of sound in the atmosphere of a planet is 500 m s^-1. The minimum distance between the sources of sound and the obstacle to hear the echo, should be

10th Science - Thermal Physics Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Define electric potential and potential difference.
2)
State Ohm’s law.
3)
Distinguish between the resistivity and conductivity of a conductor.
4)
A 100 watt electric bulb is used for 5 hours daily and four 60 watt bulbs are used for 5 hours daily. Calculate the energy consumed (in kWh) in the month of January.
5)
A piece of wire having a resistance R is cut into five equal parts.
a) How will the resistance of each part of the wire change compared with the original resistance?
b) If the five parts of the wire are placed in parallel, how will the resistance of the combination change?
c) What will be ratio of the effective resistance in series connection to that of the parallel connection?

10th Science - Optics Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
State the laws of refraction.
2)
Explain Raman Scattering.
3)
Write the sign convention for lenses.
4)
Explain the types of Telescope.
5)
Explain the refraction of light through a glass prism.

10th Science - Laws of Motion Four and Seven Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What are the concepts prepared by Galileo?
2)
Give the application of torque.
3)
Give examples for Newton's third law.
4)
Derive the Relation between g and G?
5)
Discuss the apparent weight of a man in lift?

10th Standard Science - Electricity Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Which of the following is correct?
2)
Kilowatt hour is the unit of
3)
The S1 unit of power is
4)
The resistance of material depends on.
5)
The resistance of a conductor directly proportional to

10th Standard Science - Thermal Physics Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
The value of universal gas constant
2)
If a substance is heated or cooled, the linear expansion occurs along the axis of
3)
Which of the following has the fastest process of heat transfer?
4)
SI unit of temperature is
5)
Increase in area due to heating is called

10th Science - Visual Communication Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What is Scratch?
2)
Write a short note on editor and its types?
3)
What is Stage?
4)
What is Sprite?
5)
Distinguish file and folder.

10th Science - Environmental Management Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What would happen if the habitat of wild animals is disturbed?
2)
Why fossil fuels are to be conserved?
3)
How are e-wastes generated?
4)
What is Van Mahotsav?
5)
How can we contribute to a sustainable world?

10th Science - Health and Diseases Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Mention the diseases caused by tobacco smoke.
2)
What is adult onset diabetes?
3)
How does insulin deficiency occur?
4)
Mention some behavioural changes seen in drug users.
5)
Write a note an symptoms of diabetes mellitus.

10th Science - Breeding and Biotechnology Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.
2)
Name the types of stem cells.
3)
State the importance of biofertiliser.
4)
How was IR-8 variety produced?
5)
Name the methods of selection.

10th Science - Origin and Evolution of Life Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
A human hand, a front leg of a cat, a front flipper of a whale and a bat’s wing look dissimilar and adapted for different functions. What is the name given to these organs?
2)
Which organism is considered to be the fossil bird?
3)
What is the study of fossils called?
4)
What is theory of Cosmic origin?
5)
What is theory of Spontaneous generation or Abiogenesis?

10th Science - Heredity Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Name the conditions when both the alleles are identical?
2)
A garden pea plant produces axial white flowers. Another of the same species produced terminal violet flowers. Identify the dominant trait?
3)
What is the name given to the segments of DNA, which are responsible for the inheritance of a particular character?
4)
Name the bond which binds the nucleotides in a DNA.
5)
State the law of purity of gametes or the law of segregation

10th Standard Science - Optics Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
The refractive index of four substances A, B, C and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum in
2)
Magnification of a convex lens is
3)
If V_B, V_G, V_R be the velocity of blue, green and red light respectively in a glass prism, then which of the following statement gives the correct relation?
4)
The path of light is ______
5)
Violet and red light ______ wavelengths.

10th Standard Science - Laws of Motion Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
Inertia of a body depends on
2)
One kilogram force equals to
3)
To project the rockets which of the following principle(s) is /(are) required?
4)
The resistance of a body to change its state of rest is called
5)
The momentum of a heavy object at rest will be

10th Standard Science - Reproduction in Plants and Animals Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
In which part of the flower germination of pollen grains takes place?
2)
Name two organisms which reproduces through budding
3)
Mention the function of endosperm
4)
When is World Menstrual Hygiene Day observed?
5)
What is the need for contraception ?

10th Standard Science - Plant and Animal Hormones Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Which hormone promotes the production of male flowers in Cucurbits?
2)
Write the name of a synthetic auxin.
3)
Which hormone induces parthenocarpy in tomatoes?
4)
Which hormone is secreted during emergency situation in man?
5)
Which gland secretes digestive enzymes and hormones?

10th Standard Science - Nervous System Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Name the parts of the hind brain.
2)
Give an example for conditioned reflexes.
3)
Name the parts of a neuron.
4)
What is a neurotransmitter?
5)
Name the cerebral lobes.

10th Science - Transportation in Plants Circulation in Animals Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What is the shape of RBC in human blood?
2)
Which kind of cells are found in the lymph?
3)
Mention the artery which supplies blood to the heart muscle.
4)
Why are people with AB blood group called as "Universal Recipients"?
5)
Write the functions of lymphatic system

10th Science - Structural Organisation of Animals Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
How does leech respire?
2)
How many pairs of testes are present in leech?
3)
What organs are attached to the two bronchi?
4)
What does CNS stand for?
5)
Why is the teeth of rabbit called heterodont?

10th Science - Plant Anatomy and Plant Physiology Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Where does the carbon that is used in photosynthesis come from?
2)
What is the common step in aerobic and anaerobic pathway?
3)
Draw diagrams to represent the types of concentric vascular bundles.
4)
What are grana?
5)
Draw the ultrastructure of a chloroplast and label the parts.

10th Science - Carbon and Its Compounds Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Classify the following compounds based on the pattern of carbon chain and give their structural formula: (i) Propane (ii) Benzene (iii) Cyclobutane (iv) Furan
2)
How is ethanoic acid prepared from ethanol? Give the chemical equation.
3)
How do detergents cause water pollution? Suggest remedial measures to prevent this pollution?
4)

(i) Does structures (A) and (B) represent the same compound?
(ii) Name them.
5)
Write a test to alkanes from alkenes.

10th Science - Types of Chemical Reactions Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give thr chemical equation of this reaction
2)
Why does the reaction rate of a reaction increase on raising the temperature?
3)
Define combination reaction. Give one example for an exothermic combination reaction
4)
Differentiate reversible and irreversible reactions
5)
Define pH.

10th Science - Solutions Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Define the term: Solution
2)
What is mean by binary solution
3)
Give an example each
i) gas in liquid
ii) solid in liquid
iii) solid in solid
iv) gas in gas
4)
Define Volume percentage
5)
The aquatic animals live more in cold region Why?

10th Science - Periodic Classification of Elements Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
A is a reddish brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A,B and C with reaction.
2)
A is a silvery white metal. A combines with O2 to form B at 800oC, the alloy of A is used in making the aircraft. Find A and B
3)
What is rust? Give the equation for formation of rust.
4)
State two conditions necessary for rusting of iron.
5)
Why are elements of group 18 unreactive?

10th Standard Science - Atoms and Molecules Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Define : Relative atomic mass.
2)
Write the different types of isotopes of oxygen and its percentage abundance
3)
What is Molar volume of a gas?
4)
Find the percentage of nitrogen in ammonia.
5)
Define atomic mass unit?

10th Science - Nuclear Physics Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
Write any two elements which are used for inducing radioactivity?
2)
If A is a radioactive element which emits an \(\alpha\) - particle and produces ₁₀₄Rf ²⁵⁹. Write the atomic number and mass number of the element A.
3)
Which hazardous radiation is the cause for the genetic disease?
4)
When and where was the first nuclear reactor built?
5)
Which material protects us from radiation?

10th Science - Acoustics Two Marks Questions - by Ganesh - Dharapuram - View & Read

1)
What is a longitudinal wave?
2)
What is the audible range of frequency?
3)
What is the minimum distance needed for an echo?
4)
What will be the frequency sound having 0.20 m as its wavelength, when it travels with a speed of 331 m s^–1?
5)
Name three animals, which can hear ultrasonic vibrations

10th Science - Term 1 Model Question Paper - by Indumathi - Tuticorin - View & Read

1)
In which of the following sport the turning of effect of force used
2)
If a substance is heated or cooled, the change in mass of that substance is
3)
SI unit of resistance is
4)
Unit of radioactivity is _____________
5)
Mass of 1 mole of Nitrogen atom is

10th Science Chapter 4 Electricity Two Marks Question - by Ganesh - Dharapuram - View & Read

1)
Define the unit of current.
2)
Why is tungsten metal used in bulbs, but not in fuse wires?
3)
What is the difference between open and dosed circuits?
4)
Write the difference between ammeter and voltmeter
5)
Write the difference between conductor and insulator.

10th Science - Thermal Physics Two Marks Question - by Ganesh - Dharapuram - View & Read

1)
Define one calorie.
2)
What is co-efficient of cubical expansion?
3)
State Boyle’s law
4)
State-the law of volume
5)
What is co-efficient of apparant expansion?

10th Science Chapter 2 Optics Two Marks Question - by Ganesh - Dharapuram - View & Read

1)
State Snell’s law.
2)
Draw a ray diagram to show the image formed by a convex lens when the object is placed between F and 2F.
3)
Differentiate convex lens and concave lens
4)
What is power of accommodation of eye?
5)
Why are traffic signals red in colour?

10th Science Unit 1 Laws of Motion Two Marks Question - by Ganesh - Dharapuram - View & Read

1)
Define inertia. Give its classification.
2)
Differentiate mass and weight.
3)
Define moment of a couple.
4)
Why a spanner with a long handle is preferred to tighten screws in heavy vehicles?
5)
While catching a cricket ball the fielder lowers his hands backwards. Why?

10th Science - Term 1 Four Mark Model Question Paper - by Ganesh - Dharapuram - View & Read

1)
Two bodies have a mass ratio of 3:4 The force applied on the bigger mass produces an acceleration of 12 ms-2.What could be the acceleration of the other body, if the same force acts on it.
2)
Calculate the coefficient of cubical expansion of a zinc bar. Whose volume is increased 0.25 m³ from 0.3 m³ due to the change in its temperature of 50 K.
3)
State Ohm’s law.
4)
Distinguish between the resistivity and conductivity of a conductor.
5)
A piece of wire having a resistance R is cut into five equal parts.
a) How will the resistance of each part of the wire change compared with the original resistance?
b) If the five parts of the wire are placed in parallel, how will the resistance of the combination change?
c) What will be ratio of the effective resistance in series connection to that of the parallel connection?

10th Science Quarterly Model Questions Paper - by Ganesh - Dharapuram - View & Read

1)
Inertia of a body depends on
2)
One kilogram force equals to
3)
The resistance of a body to change its direction of motion is
4)
In a simple circuit, why does the bulb glow when you close the switch?
5)
Which of the following statement regarding an atom is always correct?

10th Standard Science - Visual Communication Book Back Questions - by Ganesh - Dharapuram - View & Read

1)
Which software is used to create animation?
2)
Which is used to build scripts?
3)
Where you will create category of blocks?
4)
Script Area
5)
Folder

10th Standard Science - Environmental Management Book Back Questions - by Ganesh - Dharapuram - View & Read

1)
Which of the following is / are a fossil fuel?
i. Tar
ii. Coal
iii. Petroleum
2)
A renewable source of energy is
3)
An inexhaustible resources is
4)
Green house effect refers to
5)
Deforestation leads to ______________ in rainfall.

10th Standard Science - Health and Diseases Book Back Questions - by Ganesh - Dharapuram - View & Read

1)
Tobacco consumption is known to stimulate secretion of adrenaline. The component causing this could be
2)
Coronary heart disease is due to
3)
Metastasis is associated with
4)
Where does alcohol effect immediately after drinking?
5)
Expand the following abbreviations - IDDM

10th Standard Science - Breeding and Biotechnology Book Back Questions - by Ganesh - Dharapuram - View & Read

1)
Which method of crop improvement can be practised by a farmer if he is inexperienced?
2)
Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of _______.
3)
Which of the following is used to produce products useful to humans by biotechnology techniques?
4)
rDNA is a
5)
A protein rich wheat variety is ________.

10th Standard Science - Origin and Evolution of Life Book Back Questions - by Ganesh - Dharapuram - View & Read

1)
Biogenetic law states that ___________
2)
The ‘use and disuse theory’ was proposed by __________.
3)
Paleontologists deal with
4)
The term Ethnobotany was coined by
5)
The characters developed by the animals during their life time, in response to the environmental changes are called ______________.

10th Standard Science - Heredity Book Back Questions - by Ganesh - Dharapuram - View & Read

1)
According to Mendel alleles have the following character
2)
Okasaki fragments are joined together by ___________________.
3)
The loss of one or more chromosome in a ploidy is called_____________.
4)
The pairs of contrasting character (traits) of Mendel are called_________
5)
DNA consists of two ____________ chains

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TN Stateboard Education Study Materials

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10th Science - Acoustics Study Materials - by Ganesh - Dharapuram Oct 16, 2019 Oct 16, 2019

10th Stateboard Science 2019 - 2020 Academic Monthly Syllabus - by Ganesh - Dharapuram Aug 05, 2019 Aug 05, 2019

Science 2019 - 2020 Academic Monthly Syllabus

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TN Stateboard Updated Class 10th Science Syllabus

Laws of Motion

Introduction - Force and Motion - Inertia - Linear Momentum - Newton’s Law of Motion - Newton’s Second Law of Motion - Impulse - Newton’s Third Law of Motion - Principle of Conservation of Linear Momentum - Rocket Propulsion - Gravitation - Mass and Weight - Apparent Weight

Optics

Introduction - Properties of Light - Refraction of Light - Refraction of A Composite Light-Dispersion of Light - Scattering of Light - Lenses - Images Formed Due To Refraction Through A Convex and Concave Lens - Refraction Through A Convex Lens - Applications of Convex Lenses - Refraction Through A Concave Lens - Applications of Concave Lenses - Lens Formula - Sign Convention - Magnification of A Lens - Lens Maker’s Formula - Power of A Lens - Human Eye - Defects In Eye - Microscope - Telescope

Thermal Physics

Introduction - Temperature - Thermal Energy - Effect of Heat Energy - Fundamental Laws of Gases - Gases

Electricity

Introduction - Electric Current - Electric Circuit - Electric Potential and Potential Difference - Ohm’s Law - Resistance of a Material - Electrical Resistivity & Electrical Conductivity - System of Resistors - Heating Effect of Current - Electric Power - Domestic Electric Circuits - LED Bulb - LED Television

Acoustics

Introduction - Sound Waves - Reflection of Sound - Echoes - Applications Reflection of Sound - Doppler Effect

Nuclear Physics

Introduction - Radioactivity - Alpha, Beta and Gamma Rays - Nuclear Fission - Nuclear Fusion - Uses of Radioactivity - Safety Measures - Nuclear Reactor

Atoms and Molecules

Introduction - Atom and Atomic Mass - Molecule and Molecular Mass - Difference Between Atoms and Molecules - Mole Concept - Percent Composition - Avogadro Hypothesis - Applications of Avogadro's Law - Relationship Between Vapour Density and Relative Molecular Mass - Solved Problems

Periodic Classification of Elements

Introduction - Modern Periodic Law - Modern Periodic Table - Periodic Trends In Properties - Metallurgy - Occurrence of Ores In Tamilnadu - Properties of Metals - Extractive Metallurgy of Aluminium - Extractive Metallurgy of Copper - Extractive Metallurgy of Iron - Alloys - Corrosion - Pamban Bridge

Solutions

Introduction - Solutions In Day to Day Life - Components of Solutions - Types of Solutions - Solubility - Concentration of a Solution - Hydrated salts and Water of Crystallization - Hygroscopy - Deliquescence - Problems Based on Solubility and Percentage by Mass and Volume

Types of Chemical Reactions

Introduction - Types of Chemical Reactions - Rate of Chemical Reaction - State of Equilibrium - Ionic Product of Water - pH Scale - Role of pH In Everyday Life - pH Calculation - Problems

Carbon and Its Compounds

Introduction - General Characteristics of Organic Compounds - Classification of Organic Compounds Based On The Pattern of Carbon Chain - Classes of Organic Compounds (Based On The Kind of Atoms) - Homologous Series - Nomenclature of Organic Compounds - Ethanol (CH₃CH₂OH) - Ethanoic Acid (CH₃COOH) - Organic Compounds In Daily Life - Soaps and Detergents

Plant Anatomy and Plant Physiology

Introduction - Tissues - Tissue System - Internal Structure of Dicot Root (Bean) - Internal Structure of Monocot Root (Maize) - Internal Structure of Dicot Stem (Sunflower) - Internal Structure of Monocot Stem (Maize) - Internal Structure of Dicot or Dorsiventral Leaf (Mango) - Internal Structure of Monocot or Isobilateral Leaf - Plastids - Mitochondria - Types of Respiration

Structural Organisation of Animals

Introduction - The Indian Cattle Leech (Hirudinaria Granulosa) - Rabbit (Oryctolagus Cuniculus)

Transportation in Plants Circulation in Animals

Introduction - Means of Transport in Plants - Root Hair - Pathway of Water Absorbed by Roots - How do Plants Absorb Water? - Transpiration - Root Pressure - Uptake of Minerals - Translocation of Mineral Ions - Phloem Transport - Translocation of Sugars - Ascent of Sap and its Events – An Overview - Blood - Blood Vessels - Arteries and Veins - Types of Circulatory System - Structure of Human Heart - Blood pressure - Blood Groups - Lymphatic System

Nervous System

Introduction - Nervous System - Transmission of Nerve Impulse - Human Nervous System - Cerebrospinal Fluid - Reflex Action - Peripheral Nervous System - Autonomic Nervous System

Plant and Animal Hormones

Introduction - Plant Hormones - Human Endocrine Glands

Reproduction in Plants and Animals

Introduction - Vegetative Reproduction - Asexual Reproduction - Sexual Reproduction in Plants - Pollination - Agents of Cross-Pollination - Fertilization in Plants - Sexual Reproduction in Human - Gametogenesis - Menstrual Cycle-Process of Ovulation - Fertilization to Foetal Development - Reproductive Health - Population Explosion and Family Planning - Urinary Tract Infection (UTI) - Personal Hygiene

Heredity

Introduction - Gregor Johann Mendel - Father of Genetics - Monohybrid Cross Inheritance of One Gene - Dihybrid Cross-Inheritance Two Genes and Law of Independent Assortment - Mendel’s Laws - Chromosomes, DNA and Genes - Structure of DNA - Sex Determination

Origin and Evolution of Life

Introduction - Theories on Origin of Life - Evidences of Evolution - Theories of Evolution - Variation - Paleobotany - Ethnobotany - Astrobiology/Exobiology

Breeding and Biotechnology

Introduction - Modern Agricultural Practices and Crop Improvement - Green Revolution - Methods of Plant Breeding for Crop Improvement - Animal Breeding - Genetic Engineering - Biotechnology in Medicine - Stem Cells - DNA Fingerprinting Technology - Genetically Modified Organisms (GMOs)

Health and Diseases

Introduction - Abuse and Types of Abuse - Drug, Alcohol, and Tobacco Abuse - Drug Abuse - Tobacco Abuse - Alcohol Abuse - Rehabilitation Measures for Alcoholics - Diseases and Disorders due to Lifestyle Modifications - Diabetes Mellitus - Obesity - Heart Disease - Cancer - AIDS (Acquired Immunodeficiency Syndrome)

Environmental Management

Introduction - Conservation and Judicious Use of Resources - Forest and its Importance - Wildlife and its Conservation - Soil Erosion - Renewable and Non-Renewable Energy Resources - Non-Conventional (Alternative) Energy Resources - Rainwater Harvesting - Electrical Energy Management - E-Wastes and its Management - Sewage Management - Solid Waste Management

Visual Communication

Introduction - File - Scratch

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Updated Chapters in 10th Standard Science

Laws of Motion

Optics

Thermal Physics

Electricity

Acoustics

Nuclear Physics

Atoms and Molecules

Periodic Classification of Elements

Solutions

Types of Chemical Reactions

Carbon and Its Compounds

Plant Anatomy and Plant Physiology

Structural Organisation of Animals

Transportation in Plants Circulation in Animals

Nervous System

Plant and Animal Hormones

Reproduction in Plants and Animals

Heredity

Origin and Evolution of Life

Breeding and Biotechnology

Health and Diseases

Environmental Management

Visual Communication

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10th Standard Science Study material & Free Online Practice Tests - View Model Question Papers with Solutions for Class 10 Session 2019 - 2020
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