Give reasons for the following:
(a) Some organisms like honey bees are called parthenogenetic animals
(b) A male honey bee has 16 chromosomes where as its female has 32 chromosomes

The following is the illustration of the sequence of ovarian events (a-i) in a human female.

a) Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.
b) Name the ovarian hormone and the pituitary hormone that have caused the above-mentioned events.
c) Explain the changes that occurs in the uterus simultaneously in anticipation.
d) Write the difference between C and H.

How are STDs transmitted?

Brief about female heterogamety.

a) Identify the figure given below
b) Redraw the structure as a replicating fork and label the parts
c) Write the source of energy for this replication and name the enzyme involved in this process.
d) Mention the differences in the synthesis of protein, based on the polarity of the two template strands.

Which type of reproduction is effective -Asexual or sexual and why?

Identify the given image and label its parts marked as a, b, c and d

Select the correct term from the bracket and complete the given branching tree

(Barriers, Lactational amenorrhoea, CuT, Tubectomy)

Explain the mode of sex determination in honeybees.

Distinguish between structural gene, regulatory gene and operator gene

Why is the offspring formed by asexual reproduction referred as a clone?

What is inhibin? State its functions

Differentiate foeticide and infanticide

What are holandric genes?

Name the parts marked ‘A’ and ‘B’ in the given transcription unit:

The mode of sexual reproduction in bacteria is by

The male sex hormone testosterone is secreted from

The glandular accessory organ which produces the largest proportion of semen is

The milk secreted by the mammary glands soon after child birth is called

Identify the correct statements from the following

The mode of sexual reproduction in bacteria is by

The foetal membrane that forms the basis of the umbilical cord is

Which of the following statements about DNA replication is not correct?

B cells that produce and release large amounts of antibody are called

Cyclosporin – A is an immunosuppressive drug produced from _______

Tabulate the types of Innate immunity and explain the mechanism involved.

Explain the role of thymus as an lymphoid organ.

Write a note on different types of antigen antibody reactions.

Describe the structure of HIV with a diagram.

What are the cells involved innate immune system?

Why is opsonisation efficient in phagocytosis?

What is vaccine? What are its types?

A person is infected by HIV. How will you diagnose for AIDS?

Autoimmunity is a misdirected immune response. Justify.

Mention the types of acquired immunity and write two differences between them.

Differentiate between primary and secondary Immune response.

Differentiate primary and secondary lymphoid organs with an example.

What is bursa of fabricius?

Write a.note an spleen as a lymphoid organ.

Differentiate between:
Innate immunity and acquired immunity

Differentiate between:
Primary and secondary immune responses

Differentiate between:
Active and passive immunity

Differentiate between:
Humoral and CMI immunity

Differentiate between:
Autoimmune disease and Immunodeficiency disease

Define immunity.

Define innate immunity.

Define acquired immunity.

Describe the location of the thymus gland.

What is MALT and BALT?

Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role.

How does saliva act inbody defence?

How does immune system work?

Name and explain the type of barriers which involve macrophages.

What are interferons? Mention their role.

Lysozyme is an example of _______

______ is not a feature of acquired immunity.

Passive immunity does not exhibit this characteristic.

______ is not a secondary lymphoid organ.

This statement about the thymus which is not true.

Colostrum provides

Paratope is an

Allergy involves

Anaphylactic shock is due to

Spread of cancerous cells to distant sites is termed as

Write the botanical name, origin, cultivational area and uses of Black gram.
Botanical name : Vigna mungo

Give a detailed account on anyone fibe yielding plant.

Draw a table mentioning binominals, family name, useful part and their medical uses of any five local medicinal plants

Explain the stepwise preparation of Bio-pest repellent from the leaves of Azadirachta indica

What are the uses of rubber?

Write the origin and area of cultivation of green gram and red gram.

What is TSM? How does it classified and what does it focuses on?

Give an account on the role of Jasminum in perfuming

Write the economic importance of rice.

What are psychoactive drugs? Add a note Marijuana and Opium

Write a short note on foxtail millet.

Give a botanical name of green gram and write its  origin andarea of cultivation and uses.

Mention the ways in which mangoes are used in Indian culinary.

Write a note on origin and area of cultivation of cotton.

What is vulcanization? Who invented it?

Discuss which wood is better for making furniture.

A person got irritation while applying chemical dye. What would be your suggestion for alternative?

Which is called as the “King of Bitters”? Mention their medicinal importance.

Differentiate bio-medicines and botanical medicines.

What are millets? What are its types? Give example for each type.

Give the binomials of paddy and wheat.

What is maida? Mention its culinary purpose.

Name any four millet varieties.

Ragi rich food helps to overcome bone related ailments - justify.

Eating millets is good for diabetic patients. How?

Write the cosmetic uses of Aloe.

What is pseudo cereal? Give an example.

Name the humors that are responsible for the health of human beings.

Give definitions for organic farming?

Paddy, Wheat and Sorghum, etc., comes under the category of cereals. All the members ofcereals belong to which of the following family?

Match the common names of the given plant species with their respective binomial

Identify the tamil name for flaked rice

Pigeon pea is the common name for _______

Statement 1: Arachis hypogea belongs to Fabaceae
Statement 2: It is a native of Brazil.

Consider the following statements and choose the right option.
i) Cereals are members of grass family.
ii) Most of the food grains come from monocotyledon.

Assertion: Vegetables are important part of healthy eating.
Reason: Vegetables are succulent structures of plants with pleasant aroma and flavours.

Groundnut is native of _____________

Statement A: Coffee contains caffeine
Statement B: Drinking coffee enhances cancer

Tectona grandis is coming under family

Give a comparative account on Seaweed liquid fertilizer.

Explain the steps involved in hybridization.

What are the changes in a plant due to domestication?

Why should we choose Plant Breeding techniques?

How was green revolution originated in India?

What are the different types of hybridization?

Write a note on heterosis.

List out the new breeding techniques involved in developing new traits in plant breeding.

In 1926, Vavilov initially proposed eight main geographic centres of crop origin. Mention any six of them.

Name any three eminent plant breeders of Indian origin.

How Rhizobium acts as an efficient bio- fertiIizer?

Azolla increases the yield of paddy crop - support your answer.

Mention any three advantages of Arbuscular mycorrhizal association.

What is meant by domestication of plants?

Mention any two free-living nitrogen-fixing bacteria.

What are bio-pesticides? Why they are considered better than synthetic pesticides?

Name any four plants used in Green leaf manuring

What is plant breeding?

Differentiate between primary introduction from secondary introduction.

How are microbial innoculants used to increase the soil fertility?

Explain the best suited type followed by plant breeders at present?

________is the process of bringing a plant species under human control.

Which of the following scientist developed world's first cotton hybrid?

Identify the incorrect statement:

Which is not a free-living nitrogen-fixing species?

Arbuscular mycorrhizae is a symbiotic association between ____________

Assertion(A): Genetic variation provides the raw material for selection
Reason(R): Genetic variations are differences in genotypes of the individuals.

While studying the history of domestication of various cultivated plants _______ were recognized earlier

Pick out the odd pair

Match Column I with Column II

The quickest method of plant breeding is

List out the major effects of Ozone Depletion.

What are the objectives of Afforestation programme?

How Eichhornia crassiper spoils the Indian ecosystem?

Write a comparative note on Carbon Foot Print (CFP).

Explain a) green house effect and b) global warming.

Suggest a solution to water crisis and explain its advantages.

Explain afforestation with case studies.

What are the effects of deforestation and benefits of agroforesty?

List out the effects of global warming.

Mention any three sources of carbon dioxide emission.

What are the adverse effects of global warming on plants?

Suggest few ways to overcome global warming.

Ozone acts as a natural sunscreen - Justify.

How do sacred groves help in the conservation of biodiversity?

Which one gas is most abundant out of the four commonest greenhouse gases? Discuss the effect of this gas on the growth of plants?

Define Greenhouse gases and list out its examples

Name any four greenhouse gases.

Define global warming.

Methane is one of a potent green house gas. Point out a few sources from where methane is generated.

List out the anthropogenic sources of Nitrous oxide.

What is ozone hole?

Give four examples of plants cultivated in commercial agroforestry.

Expand CCS.

How do forests help in maintaining the climate?

___________ is not a method of waste water treatment.

Which is not a greenhouse gas?

Identify the incorrect statement with regard to Global warming

The total ozone layer over the earth surface is ____________________

Methane is ________________ times as effective as CO₂ at trapping heat.

Which of the following would most likely help to slow down the greenhouse effect.

With respect to Eichhornia
Statement A: It drains off oxygen from water and is seen growing in standing water.
Statement B: It is an indigenous species of our country.

Find the wrongly matched pair.

Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancer?

One green house gas contributes 14% of total global warming and another contributes 6%. These are respectively identified as

Explain various steps involved in decomposition (or) Write the steps involved in the mechanism decomposition. 

Write an essay on pond ecosystem.

Write a note on the strategies of ecosystem management.

List out the characteristics of ecological succession.

Differentiate Primary succession and Secondary succession.

Generally in summer the forest are affected by natural fire. Over a period of time it recovers itself by the process of successions .Find out the types of succession and explain.

Draw a pyramid from following details and explain in brief.
Quantities of organisms are given-Hawks - 50, plants - 1000.rabbit and mouse - 250 + 250, pythons and lizard - 100 + 50 respectively.

Various stages of succession are given bellow. From that rearrange them accordingly. Find out the type of succession and explain in detail. Reed-swamp stage, phytoplankton stage, shrub stage, submerged plant stage, forest stage, submerged free floating stage, marsh medow stage.

What is secondary productivity? Explain its types.

List the factors affecting primary productivity.

Explain the concept of trophic level in an ecosystem.

State the second law ofthermodynamics.

Explain Grazing food chain with example.

Discuss the gross primary productivity is more efficient than net primary productivity.

Construct the food chain with the following data.
Hawk, plants, frog, snake, grasshopper.

Name of the food chain which is generally present in all type of ecosystem. Explain and write their significance.

Shape of pyramid in a particular ecosystem is always different in shape. Explain with example.

Generally human activities are against to the ecosystem, where as a student how will you help to protect ecosystem?

According to A.G. Tansley, what is an ecosystem?

Mention any two climatic factors and edaphic factors of an ecosystem.

Define 'Standing state' with regard to ecosystem.

What are biotic components?

Name the macro consumers and micro consumers.

Productivity of profundal zone will be low. Why?

Pyramid of energy is always upright. Give reasons

What will happen if all producers are removed from ecosystem?

Ecosystem is the structural and functional unit of ecology. This statement was given by _______

Identify the incorrect option among the following component sequence.

Pick out the edaphic factor among the following.

Which is not a macro consumer?

Photosynthetically Active Radiation ranges between the wavelength of __________

Which of the following is not a abiotic component of the ecosystem?

Which of the following is / are not a natural ecosystem?

Pond is a type of

Pond ecosystem is

Profundal zone is predominated by heterotrophs in a pond ecosystem, because of

Explain various edaphic factors that affect vegetation.

What does competition refers to? Classify and describe it.

Point out any five morphological adaptations of epiphytes.

Explain the role of edaphic factors on vegetation.

Explain various types of interaction inclusive of both positive & negative with examples.

Describe the mutual relationship between the fig and wasp and comment on the phenomenon that operates in this relationship.

What is soil profile? Explain the characters of different soil horizons.

Give an account of various types of parasitism with examples.

Explain different types of hydrophytes with examples.

Enumerate the anatomical adaptations of xerophytes.

Differentiate habitat from niche.

What is thermal stratification? Explain its types.

What are the adverse effects of temperature on plant?

Explain briefly about the three types of fire.

Classify soil based on its formation.

Distinguish habitat and niche

What is Albedo effect and write their effects?

What is mutualism? Mention any two example where the organisms involved are commercially exploited in modern agriculture.

List any two adaptive features evolved in parasites enabling them to live successfully on their host?

Mention any two significant roles of predation plays in nature.

How Earnest Haeckel defined ecology?

What is ecological hierarchy?

Sequentially arrange the different units of ecological hierarchy.

Define
(a) Autecology
(b) Synecology

What is Niche?

Define ecology.

What is ecological hierarchy? Name the levels of ecological hierarchy. Write the ecological hierarchy?

What are ecological equivalents? Give one example

Why are some organisms called as eurythermals and some others as stenohaline ?

‘Green algae are not likely to be found in the deepest strata of the ocean’. Give at least one reason.

Autoecology deals with the study of ___________.

Environment of any community is called

The study of soil is called as __________

Identify the indicators of fire.

Statement 1: Latitudes represent distance from the equator.
Statement 2: Height above the seal level from longitude.

Arrange the correct sequence of ecological hierarchy starting from lower to higher level.

Ecology is the study of an individual species is called
i) Community ecology
ii) Autecology
iii) Species ecology
iv) Synecology

A specific place in an ecosystem, where an organism lives and performs its functions is

Read the given statements and select the correct option.
i) Hydrophytes possess aerenchyma to support themselves in water.
ii) Seeds of Viscum are positively photoblastic as they germinate only in presence of light.
iii) Hygroscopic water is the only soil water available to roots of plant growing in soil as it is present inside the micropores.
iv) High temperature reduces use of water and solute absorption by roots

Which of the given plant produces cardiac glycosides?

Explain the steps involved in protoplast culture.

Point out the applications of plant tissue culture.

Discuss the protocol for micropropagation of banana.

Enumerate the advantages of Artificial seeds.

Briefly explain about patents.

Explain the basic concepts involved in plant tissue culture

Based on the material used, how will you classify the culture technology? Explain it.

Write the protocol for artificial seed preparation.

Compare Redifferentiation with Dedifferentiation.

How the autoclaving is done for culture media?

Briefly explain the surface sterilization of explants.

Point out the factors that determine success rate of tissue culturing.

Mention any three macronutrients and micro nutrients used in MS medium.

How will you avoid the growing of microbes in nutrient medium during culture process? What are the techniques used to remove the microbes?

Write the various steps involved in cell suspension culture.

What do you mean Embryoids? Write its application.

Give an account on Cryopreservation.

What do you know about Germplasm conservation. Describe it.

Define tissue culture.

Name the four basic concepts of plant tissue culture.

What is the term totipotency refers to?

Define sterilization.

Mention the way by which culture media and explants are sterilized.

What is the name of the process given below? Write its 4 types.

Give the examples for micro propagation performed plants .

Identify the group of scientists who developed the intergenic hybrid - the pomato.

The production of secondary metabolites require the use of _________.

Which of the following condition favours callus induction?

Protoplast are the cells devoid of ___________

A widely used fusogen in protoplast culture is ________

Totipotency refers to

Micro propagation involves

Match the following :

The time duration for sterilization process by using autoclave is ______ minutes and the temperature is _______

Which of the following statement is correct

Explain how fermentation is done in bioreactor ?

List out the application of single-cell protein.

Give a short notes on Green Fluorescent Protein (GFP)

Explain the steps involved in recombinant DNA technology

Explain in detail about various types of direct gene transfer method.

How do you use the biotechnology in modern practice?

Mention the application of Biotechnology.

Is there any possibilities to transfer a suitable desirable gene to host plant without vector? Justify your answer.

Compare the various types of Blotting techniques

Write the advantages of herbicide tolerant crops

Mention any three historical events which took place in the 21st century for the development of biotechnology.

In the fermentation process, what does upstream and downstream refers to? Explain.

What are secondary metabolites? Give two examples.

What is SCP? Mention its nutritional value.

Mention any three algal species used for SCP production.

You are working in a biotechnology lab with a becterium namely E.coli. How will you cut the nucleotide sequence? explain it.

What do you know about the word pBR332?

What are restriction enzyme. Mention their type with role in Biotechnology.

How will you identify a vector ?

Write the advantages and disadvantages of Bt cotton.

Write about the modern biotechnology.

What is a fermentor?

Define fermentation.

What are primary metabolites? Give example.

How microbial enzymes are produced? Mention its significance.

What are the materials used to grow microorganism like Spirulina?

What are the enzymes you can used to cut terminal end and internal phospho di ester bond of nucleotide sequence?

Name the chemicals used in gene transfer.

Which of the following person coined the term biotechnology?

Zymology deals with __________

Identify the incorrect statement:

Pick out the mismatched pair(s):
(i) Arnphotericin-B - Streptomyces notatum
(ii) Penicillin - Penicillum nodosus
(iii) Streptomycin - Streptomyces grises
(iv) Tetracycline - Streptomyces aureofacins

Identify the non-fungal species used in SCP production.
(i) Candida
(ii) Chlorella
(iii) Chlamydomonas
(iv) Cellulomonas

Restriction enzymes are

Plasmids are

EcoRI cleaves DNA at

Genetic engineering is

Consider the following statements:
I. Recombinant DNA technology is popularly known as genetic engineering is a stream of biotechnology which deals with the manipulation of genetic materials by man invitro
II. pBR322 is the first artificial cloning vector developed in 1977 by Boliver and Rodriguez from E.coli plasmid
III. Restriction enzymes belongs to a class of enzymes called nucleases.
Choose the correct option regarding above statements

"The process of arrangement if the same order genes more than one in the same chromosome."
1. What is the process known as?
2. Explain its types.

Draw a flow chart depicting the various types of ploidy.

Explain hyperploidy with its types.

What is translocation? Write about its types.

Write the important aspects about the chromosome behavior during meiosis.

When two different genes came from same parent they tend to remain together.
i) What is the name of this phenomenon?
ii) Draw the cross with suitable example.
iii) Write the observed phenotypic ratio.

If you cross dominant genotype PV/PV male Drosophila with double recessive female and obtain F₁ hybrid. Now you cross F₁ male with double recessive female.
i) What type of linkage is seen?
ii) Draw the cross with correct genotype.
iii) What is the possible genotype in F₂ generation?

Write the salient features of Sutton and Boveri concept.

How is Nicotiana exhibit self-incompatibility. Explain its mechanism.

How sex is determined in monoecious plants. write their genes involved in it.

What are the salient features of the chromosomal theory of inheritance ?

Compare Mendelian factors with chromosome.

State Coupling and Repulsion theory.

Give a short note on incomplete linkage.

How crossing over differs from linkage?

Explain the mechanism of crossing over.

Write the steps involved in molecular mechanism of DNA recombination with diagram.

Write anyone contribution of the following scientists to the field of molecular biology.
(a) Hugo de Vries
(b) Sutton and Boveri

Define linkage. Mention its types.

What does the condition synteny refers to?

What are linked genes?

Who coined the term crossing over? When does the crossing over occurs in a cell?

i) What is the name of this test cross?
ii) How will you construct gene mapping from the above given data?
iii) Find out the correct order of genes.

What is the difference between missense and nonsense mutation?

From the above figure identify the type of mutation and explain it.

Name the scientist(s) who rediscovered the Mendelian work?
(i) Hugo de Vries
(ii) Carl Correns
(iii) Tschermak
(iv) T.H. Morgan

Which is not a feature of the chromosomal theory of inheritance?

The following sequence represents the location of genes in a chromosome. A - B - C - M - R - S - y -Z. Which of the gene pairs will have least chance of getting inherited together?

Number of chromosomes (2n) in Ophioglossum is _________

Identify the syntenic gene from the given genes sequence of a chromosome G-H-I-J-K-L-M-A-B

An allohexaploidy contains

The A and B genes are 10 cm apart on a chromosome. If an AB/ab heterozygote is testcrossed to ab/ab, how many of each progeny class would you expect out of 100 total progeny?

Match list I with list II

Which of the following sentences are correct?
1. The offspring exhibit only parental combinations due to incomplete linkage
2. The linked genes exhibit some crossing over in complete linkage
3. The separation of two linked genes are possible in incomplete linkage
4. Crossing over is absent in complete linkage

Accurate mapping of genes can be done by three point test cross because increases

Explain Dihybrid cross in pea plant.

How does the wrinkled gene make Mendel's peas wrinkled? Find out the molecular explanation.

Describe incomplete dominance exhibited by Mirabilis jalapa.

Write an essay on Mendel's life history.

Explain Mendel's empirical approach on heredity.

What are the reasons for Mendel’s successes in his breeding experiment?

Explain the law of dominance in monohybrid cross.

Describe dominant epistasis with an example. (or) Explain Intergenic Interaction with an example.

Explain polygenic inheritance with an example.

Differentiate continuous variation with discontinuous variation.

Point out any three importance of variations.

List out the reasons for the selection of pea plant by Mendel.

State the law of segregation.

How many types of gametes are produced by heterozygous dihybrid plant with a genotype RrYy? Write them.

Define trihybrid cross. Mention its F ₂ phenotypic ratio.

Differentiate incomplete dominance and codominance.

What is meant by cytoplasmic inheritance

Who coined the term genetics? Also, define it.

Name the four major subdisciplines of genetics.

Explain Heredity and variations

Mendel's theory is a particulate theory - justify

Which organism was studied by Gregor Mendel? How many traits does he considered on his experiments

Name the seven contrasting traits of Mendel.

What is meant by true breeding or pure breeding lines / strain?

Give the names of the scientists who rediscovered Mendelism

What is back cross?

Define Genetics.

The term 'Genetics' was introduced by__________

Which is not a correct statement?
(A) Variations are the raw materials for evolution
(B) Variations provide genetic material for natural selection
(C) It helps the individual to adapt to the changing environment
(D) Variations allow breeders to improve the crop field

An allede is__________

Gregor Mendel ___________
(i) was born in Czechoslovakia
(ii) did his experiments in Pisum fulvum
(iii) was the first systemic researcher in genetics
(iv) Published his results in the paper "Experiments on Plant Hybrids"

How many characters studied by Mendel in pisum sativum

Extra nuclear inheritance is a consequence of presence of genes in

In order to find out the different types of gametes produced by a pea plant having the genotype AaBb, it should be crossed to a plant with the genotype

How many different kinds of gametes will be produced by a plant having the genotype AABbCC?

Which one of the following is an example of polygenic inheritance?

In Mendel’s experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F₂ generation of the cross RRYY x rryy?

Give a comparative account on Anther wall layers

Describe the development process of male gametophyte.(or) Explain the different mode of entry of pollen tube into the ovule.

Write about the different types of ovules.

Describe the development of monosporic embryo sac.

Enumerate the characters of anemophilous flowers

Explain the conventional methods adopted in vegetative propagation of higher plants.

Highlight the milestones from the history of plant embryology.

Discuss the importance of Modern methods in reproduction of plants.

Write short note on Heterostyly.

Enumerate the characteristic features of Entomophilous flowers

How tongue grafting differs from wedge grafting?

List any three advantages of micropropagation

Where the stomium is located? What is its role?

Briefly explain about the types of tapetum.

What are the functions of tapetum

A detached leaf of Bryophyllum produces new plants. How?

Differentiate Grafting and Layering.

Distinguish mound layering and air layering.

What is endothelium

What is polyembryony. How it can commercially exploited.

Write the names of organisms that undergo the following types of asexual reproduction.
(a) Budding
(b) fragmentation
(c) Regeneration
(d) Gemma cup formation.

What are diaspores?

Name the vegetative propagules of the following plants
(a) Allium cepa
(b) Zingiber Officinalis
(c) Agave
(d) Colocasia

Point out the advantages of natural vegetative reproduction

Mention any two conventional propagation techniques

What is reproduction?

Mention the contribution of Hofmeister towards Embryology.

List out two sub-aerial stem modifications with example.

What is layering?

What are clones?

The unit of reproductive structure used in vegetative propagation is called as __________________

Which of the following aquatic plant is popularly known as the "Terror of Bengal"?

The genetic ability of a plant cell to produce the entire plant is said to be ________________

A typical anther is ________________

Innermost layer of anther wall is ________________

Choose the correct statement from the following

An eminent Indian embryologist is

Identify the correctly matched pair

Pollen tube was discovered by

Size of pollen grain in Myosotis

What is the primary purpose of the Kyoto Protocol?

In what way Peyang conserves the forest?

Describe how deforestation might contribute to global warming

How does forest conservation help to reduce air pollution?

List the effects of air pollution.

List all the wastes that you generate, at home, school or during your trips to other places. Could you very easily reduce the generation of these wastes? Which would be difficult or rather impossible to reduce?

How can we control eutrophication?

Discuss the role of an individual to reduce environmental pollution.

Discuss briefly the following :
a. Catalytic converter
b. Ecosan toilets

Why does ozone hole form over Antarctica?

Mention the causes of enhanced use of ultraviolet radiation

Discuss the role of women in protection and conservation of forests.

What are particulate matter?

Name the main sources of air pollution.

What is SMOG and how it is harmful for us?

Write notes on the following:
a. Eutrophication
b. Algal Bloom

What are some solutions to toxic dumping in our oceans?

Discuss the causes and effects of global warming. What measures need to be taken to control global warming?

What would Earth be like without the greenhouse effect?

How are pollutants classified?

Define air pollution.

What is AQI?

Expand
(i) CFC
(ii) AQI
(iii) PAN

What effect can fertilizer runoff have on an aquatic ecosystem?

How does recycling help reduce pollution?

With which of the following, the Agenda 21’ of Rio Summit, 1992 is related to?

Which among the following awards instituted by the Government of India for individuals or communities from rural areas that have shown extraordinary courage and dedication in protecting Wildlife?

The Ozone Day is observed every year on September 16 as on this day in 1987 the ___________was signed for launching efforts to arrest the depletion of the fragile ozone layer in the stratosphere that prevents the harmful ultra-violet rays of the sun from reaching the earth. Fill the correct word in blank.

The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following molecules:

__________ is an example for a non persistant pollutant.

Right to Clean Water is a fundamental right, under the Indian Constitution

The ‘thickness’ of Stratospheric Ozone layer is measured in/on:

As per 2017 statistics, the highest per capita emitter of Carbon dioxide in the world is

The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as

Which among the following always decreases in a Food chain across tropic levels?