Free Printable 10TH NTSE MCQS QUIZ - 7 (Physics, Chemistry, and Biology)

1.

If a particle is moving in a uniform circular motion which one is not constant?

a)

speed

b)

magnitude of velocity

c)

direction of velocity

d)

none of these

2.

A 4cm size object placed at a 30cm distance in front of a convex mirror forms an image at 15cm from the mirror. What is the size of an image?

a)

2cm

b)

4cm

c)

-2cm

d)

8cm

3.

Refractive indices of Ice, Benzene, Ruby, Kerosene are 1.31, 1.50, 1.71, and 1.44 respectively. In which medium light travels faster?

a)

Kerosene

b)

Ruby

c)

Benzene

d)

Ice

4.

Among the following which one is not a fossil fuel

a)

L.P.G

b)

Coal

c)

Petroleum

d)

Bio Gas

5.

The angle of vision decreases with

a)

Decreasing the object distance from the eye

b)

Increasing the object distance from the eye

c)

It will never change

d)

none of these

6.

In a amperes right-hand rule the middle finger indicates the ___________ direction for a conductor.

a)

Magnetic field

b)

Current

c)

Magnetic Force

d)

none of these

7.

Point to be kept in mind for verification of Ohm's law is

a)

Ammeter and Voltmeter should be connected in series

b)

Ammeter should be connected in Parallel and Voltmeter in series

c)

Ammeter should be connected in series and Voltmeter in Parallel

d)

Ammeter and Voltmeter should be connected in Parallel

8.

A concave mirror gives a virtual, erect, and enlarged image of an object. To get an image of a smaller size than the size of the object then the position of an object is

a)

at infinity

b)

between F and C

c)

between P and F

d)

at F

9.

The persistence of vision for human eye is

a)

$\frac{1}{10}^{th}\$ of a second

b)

$\frac{1}{16}^{th}$ of a second

c)

$\frac{1}{6}^{th}$ of a second

d)

$\frac{1}{18}^{th}$ of a second

10.

No force acts on a current-carrying conductor when it is placed

a)

parallel to the magnetic field

b)

perpendicular to the magnetic field

c)

far away from the magnetic field

d)

Inside a magnetic field

11.

then r =

a)

$1\Omega$

b)

$3\Omega$

c)

$2.5\Omega$

d)

$1.5\Omega$

12.

In case of refraction through a glass slab

a)

the angle of refraction through a glass slab

b)

the incident ray is parallel to the refracted ray

c)

the incident ray is parallel to the emergent ray

d)

the angle of incident is equal to the angle of refraction

13.

Car 'A' goes to 'C' along path ABC and car 'B' goes to 'C' along path AC, which of two cars cover more displacement?

a)

car A

b)

car B

c)

depends on the speed of two cars

d)

same for both cars

14.

The process of evaporation causes

a)

Cooling

b)

dryness

c)

heating

d)

none of these

15.

A mixture of milk and water is an example of

a)

true solution

b)

homogeneous mixture

c)

suspension

d)

colloidal solution

16.

A mixture of acetone

\left(B.P.\ 58\degree C\right)

and ethyl alcohol

\left(B.P\ 78.3\degree C\right)

can be separated by

a)

distillation

b)

fractional distillation

c)

fractional crystallisation

d)

sublimation

17.

The outermost shell electronic configuration of Cu (Z=29) is

a)

$3d^54s^1$

b)

$3d^94s^2$

c)

$3d^{10}4s^0$

d)

$3d^{10}4s^1$

18.

The total number of orbitals are present in 4th orbit of an atom of element

a)

$2^2$

b)

$3^2$

c)

$2^3$

d)

$4^2$

19.

The nature of the product formed in the reaction of calcium oxide and water is

a)

acidic

b)

amphoteric

c)

basic

d)

neutral

20.

The weight at Mg is required to get 80 grams of MgO in the reaction $Mg+O_2\rightarrow MgO$ is

a)

48

b)

24

c)

12

d)

72

21.

$CH_3COOH+NaOH\rightarrow x+H_2O;$ where 'x' is

a)

$CH_3COONa$

b)

$CH_3-CH_2-ONa$

c)

$CO_2$

d)

$CH_4$

22.

When a piece of zinc metal is placed in the aqueous solution of sulphuric acid a colorless gas 'x' is released. If 'x' is a combustible substance. Then 'x' is

a)

$CO_2$

b)

$H_2$

c)

$H_2O$

d)

$Na_2SO_4$

23.

The molecular weight of $CuSO_45H_2O$ is

a)

249.5

b)

159.5

c)

294.5

d)

294

24.

$CH_3CH_2OH\ \ \frac{canH_2SO_4}{\rightarrow}\ CH_2$ = $CH_2\ \frac{H_2O}{\rightarrow}X;$ where x is

a)

$CH_3CH_2OH$

b)

$CH_3COOH$

c)

$CH_3CHO$

d)

$CH_3COCH_3$

25.

Which of the following element has the highest electron affinity?

a)

F

b)

Br

c)

Cs

d)

Cl

26.

Gold and Silver are used to make jewelry due to their

a)

high boiling points

b)

high malleability

c)

high thermal resistance

d)

high density

27.

Vegetative propagation refers to the formation of new plants from

a)

stem, roots, and leaves

b)

leaves, flower, and seeds

c)

stem, roots, and seeds

d)

fruits, seeds, and spores

28.

Wings of birds and insect are

a)

vestigial organs

b)

homologs organs

c)

paralogous organs

d)

analogous organs

29.

Cut leaves remain green for a longer time if dipped in

a)

auxin

b)

cytokinin

c)

ethylene

d)

gibberellins

30.

Crams in leg muscles after running a long distance are because of

a)

a build-up of acetic acid

b)

a buildup of oxalic acid

c)

a buildup of lactic acid

d)

a buildup of pyruvic acid

31.

The enzyme pepsin is secreted by

a)

the inner lining of the esophagus

b)

the gastric lining of the stomach

c)

the inner lining of the duodenum

d)

gall bladder

32.

Neurons have a unique property that makes them to communicate with other cells via

a)

nerve cords

b)

glial cell

c)

synapse

d)

Schwann cell

33.

Which layer of planet earth's atmosphere protects it from the harmful UV radiation of the sun?

a)

stratosphere

b)

ozonosphere

c)

troposphere

d)

ionosphere

34.

Honey bee culture for honey is called

a)

bee culture

b)

apiculture

c)

honey culture

d)

sericulture

35.

The chemical substance which is used against insect to protect the plants

a)

bactericides

b)

fungicides

c)

herbicides

d)

insecticides

36.

The minerals required by a plant in very small quantities are called

a)

macronutrients

b)

micronutrients

c)

manures

d)

fertilizers

37.

The part of the brain which controls the balance and posture of the body is

a)

cerebellum

b)

cerebrum

c)

pons

d)

medulla

38.

Growth of plant is not promoted by

a)

cytokinin

b)

auxin

c)

gibberellin

d)

ABS

39.

menopause is the stage in the female when

a)

menstruation start

b)

puberty

c)

reproduction capacity arrested

d)

ovaries enlarge

40.

Bowman capsule found in

a)

small intestine

b)

heart

c)

kidney

d)

brain

10TH NTSE MCQS QUIZ - 7 (Physics, Chemistry, and Biology)

Total questions: 40

Worksheet time: 30mins

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