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 Part - Two
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.
Green house effect refers to
cooling of earth
trapping of UV rays
cultivation of plants
warming of earth
2.
LH is secreted by
Adrenal gland
Thyroid gland
Anterior pituitary
Hypothalamus.
3.
Estrogen is secreted by
Anterior pituitary
Primary follicle
Graffian follicle
Graffian follicle
4.
The ‘use and disuse theory’ was proposed by __________.
Charles Darwin
Ernst Haeckel
Jean Baptiste Lamarck
Gregor Mendel
5.
There are ________ pairs of cranial nerves and _______ pairs of spinal nerves.
12, 31
31, 12
12, 13
12, 21
6.
World 'No Tobacco Day' is observed on
May 31
June 6
April 22
October 2
7.
The wall of human heart is made of
Endocardium
Epicardium
Myocardium
All of the above
8.
Pharyngeal ganglion in leech is a part of
Excretory system
Nervous system
Reproductive system
Respiratory system
9.
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.
i and ii
ii and iii
iii and iv
i and iv
10.
When pressure is increased at constant temperature the solubility of gases in liquid _________
No change
increases
decreases
no reaction
11.
Neon shows zero electron affinity due to _____.
stable arrangement of neutrons
stable configuration of electrons
reduced size
increased density
12.
The basis of modern periodic law is__________.
atomic number
atomic mass
isotopic mass
number of neutrons
13.
Gamma radiations are dangerous because
it affects eyes & bones
it affects tissues
it produces genetic disorder
it produces enormous amount of heat
14.
TFM in soaps represents ___________ content in soap
mineral
vitamin
fatty acid
carbohydrate
15.
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
16.
Which of the following is a triatomic molecule?
Glucose
Helium
Carbon dioxide
Hydrogen
17.
In a simple circuit, why does the bulb glow when you close the switch?
The switch produces electricity
Closing the switch completes the circuit.
Closing the switch breaks the circuit.
The bulb is getting charged.
18.
Temperature is the average ______ of the molecules of a substance
difference in K.E and P.E
sum of P.E and K.E
difference in T.E and P.E
difference in K.E and T.E
19.
In a myopic eye, the image of the object is formed
behind the retina
on the retina
in front of the retina
on the blind spot
20.
Newton’s III law is applicable
for a body is at rest
for a body in motion
both a & b
only for bodies with equal masses
1.
(d)
warming of earth
2.
(c)
Anterior pituitary
3.
(c)
Graffian follicle
4.
(c)
Jean Baptiste Lamarck
5.
(a)
12, 31
6.
(a)
May 31
7.
(d)
All of the above
8.
(b)
Nervous system
9.
(d)
i and iv
10.
(b)
increases
11.
(b)
stable configuration of electrons
12.
(a)
atomic number
13.
(c)
it produces genetic disorder
14.
(c)
fatty acid
15.
(c)
0.02752 m
16.
(c)
Carbon dioxide
17.
(b)
Closing the switch completes the circuit.
18.
(c)
difference in T.E and P.E
19.
(c)
in front of the retina
20.
(c)
both a & b
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
