10th Standard Syllabus & Materials
10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set A

Published on: 05/12/2020
10th Standard Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key Part - 1
Download Tamil Nadu 10th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
A cheap, conventional, commercial and inexhaustible source of energy is
hydropower
solar energy
wind energy
thermal energy
2.
Soil erosion is more where there is
no rainfall
low rainfall
rainfall is high
none of these
3.
4.
The _____________ units form the backbone of the DNA.
5 Carbon sugar
Phosphate
Nitrogenous bases
Sugar phosphate
5.
Identify the exocrine gland
Pituitary gland
Adrenal gland
Salivary gland
Thyroid gland
6.
What is true of gametes?
They are diploid
They give rise to gonads
They produce hormones
They are formed from gonads
7.
The term Ethnobotany was coined by
Khorana
J.W. Harshberger
Ronald Ross
Hugo de Vries
8.
Which nervous band connects the two cerebral hemispheres of brain?
thalamus
hypothalamus
corpus callosum
pons
9.
A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by doctor for transfusion?
O group
AB group
A and B group
All blood group
10.
Mammals are ______________ animals.
Cold blooded
Warm blooded
Poikilothermic
All the above
11.
Powdered CaCO3 reacts more rapidly than flaky CaCO3 because of __________.
large surface area
high pressure
high concentration
high temperature
12.
Deliquescence is due to __________
Strong affinity to water
Less affinity to water
Strong hatred to water
Inertness to water
13.
In the aluminothermic process the role of Al is _____.
oxidizing agent
reducing agent
hydrogenating agent
sulphurising agent
14.
The endarch condition is the characteristic feature of
root
stem
leaves
flower
15.
_____________ aprons are used to protect us from gamma radiations
Lead oxide
Iron
Lead
Aluminium
16.
If a sound wave travels with a frequency of 1.25 x 104 Hz at 344 ms-1, the wavelength will be
27.52 m
275.2 m
0.02752 m
2.752 m
17.
Mass of 1 mole of Nitrogen atom is
28 amu
14 amu
28 g
14 g
18.
If a substance is heated or cooled, the linear expansion occurs along the axis of
X or –X
Y or –Y
both (a) and (b)
(a) or (b)
19.
20.
The unit of ‘g’ is m s-2. It can be also expressed as ______.
cms-1
Nkg-1
Nm2kg-1
cm2s-2
1.
(a)
hydropower
2.
(c)
rainfall is high
3.
(a)
4.
(d)
Sugar phosphate
5.
(c)
Salivary gland
6.
(d)
They are formed from gonads
7.
(b)
J.W. Harshberger
8.
(c)
corpus callosum
9.
(a)
O group
10.
(b)
Warm blooded
11.
(a)
large surface area
12.
(a)
Strong affinity to water
13.
(b)
reducing agent
14.
(b)
stem
15.
(c)
Lead
16.
(c)
0.02752 m
17.
(d)
14 g
18.
(d)
(a) or (b)
19.
(d)
20.
(b)
Nkg-1
10th Standard Syllabus & Materials
10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Location, Relief and Drainage Important Questions And Answers Study Material - QB365 Set B
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards