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Published on: 05/12/2020
10th Standard Science English Medium Free Online Test Creative 1 Mark Questions with Answer Key Part - 3
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.
Name the tissue present between the upper and lower epidermis.
Lower epidermis tissue
Pith
Upper epidermis tissue
Mesophyll
2.
Alcohols + Acids 
Esters. This reaction is ___________
Ester hydrolysis
Esterification
Dehydrogenation
Oxidation
3.
Pick out the metal that displaces hydrogen from hydrochloric acid.
Zinc
Silver
Copper
Gold
4.
Increase in area due to heating is called
Linear expansion
Superficial expansion
Cubical expansion
real expansion
5.
The first nuclear reactor was built at _________.
New York
San Francisco
New Jersey
Chicago
6.
7.
8.
The resolving power depends on
Dimetal of the lens
Wavelength
Refractive index
a & b
9.
The change in the focal length of human eye is caused by
Pupil
Ciliary muscles
Cornea
Iris
10.
According to snell's law
\(\mu=\frac{\sin i}{\sin r}\)
μ =\(\frac { { c }_{ a } }{ { c }_{ m } } \)
\(\mu=\frac{\sin r}{\sin i}\)
μ=\(\frac { { c }_{ m } }{ { c }_{ a } } \)
11.
Sound can travel in
air
any material medium
vacuum
none
12.
We can see objects because of
reflection
refraction
transmission
diffraction
13.
14.
_________is a basal part of the Ovule.
Chalaza
Micropyle
Nucellus
Funiculus
15.
___________is the main circulatory medium in the human body.
Blood
Water
Lymph
Plasma
16.
A body of mass 1 kg is attracted by the earth with a force which is equal to
9.8 N
6.67 x 1011
1 N
9.8 ms-1
17.
If the resistance in a series circuit doubles, total current will be
doubles
halved
same
Increases
18.
An atom of an element has 13 electrons and mass number 27. The nucleus of this atom contains ____________ neutrons.
26
13
14
27
19.
The resistance of material depends on.
Temperature
Length of conductor
Area of cross-section
All the above
20.
1.
(d)
Mesophyll
2.
(b)
Esterification
3.
(a)
Zinc
4.
(b)
Superficial expansion
5.
(d)
Chicago
6.
(a)
7.
(d)
8.
(d)
a & b
9.
(b)
Ciliary muscles
10.
(a)
\(\mu=\frac{\sin i}{\sin r}\)
11.
(b)
any material medium
12.
(a)
reflection
13.
(a)
14.
(a)
Chalaza
15.
(a)
Blood
16.
(a)
9.8 N
17.
(b)
halved
18.
(c)
14
19.
(d)
All the above
20.
(a)
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
