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+2 Science Entrance Exam

1 / 50

Two thermometers are constructed such that one has a spherical bulb and the other has an elongated cylindrical bulb. Which one will respond more quickly to temperature changes?

a. With cylindrical bulb

b. With spherical bulb

c. Both respond similarly

d. Any one

2 / 50

Milk is poured into a cup of tea and mixed with a spoon. It is an example of:

a. Reversible process

b. Irreversible process

c. Adiabatic process

d. Isothermal process

3 / 50

The number of non-empty proper subsets of set (A = {1,2,3,4} is:

a. 16

b. 14

c. 15

d. 13

4 / 50

Rhizome & rachis of fern are covered with:

a. Hairs

b. Scales

c. Rhizoids

d. Ramenta

5 / 50

The fastest mode of heat transfer is:

a. Conduction

b. Convection

c. Radiation

d. All of the above

6 / 50

Choose the odd man out:

a. Bulls bellow

b. camels yelp,

c. Bears: growl

d. eagles: screa

7 / 50

Pressure cooker reduces cooking time because:

a. The heat is more evenly distributed

b. The higher pressure tenderizes the food

c. The boiling point of water inside is elevated

d. Heat cannot escape

8 / 50

9 / 50

The image formed by a plane mirror is:

a. Virtual and erect

b. Real and erect

c. Virtual and inverted

d. Real and inverted

10 / 50

Which of the following produces more severe burns?

a. Boiling water

b. Steam

c. Hot air

d. Sun rays

11 / 50

There are six sentences markedS1, P, Q, R, S. The positions of S1 and S6 are fixed: You are required to choose one of the four alternatives given below every passage which would be the most logical sequence of the sentences in the passage.

S1: The coming of the computer sparked the seed for the remotely operated controls.

P: It is a silicon chip that is at the heart of the remote control.

Q: This produces an infrared beam, which is made up of electromagnetic waves.

R: When you press the button on the remote control, the chip sets off an electronic vibration.

S: The beam carries a coded signal switch on, raise volume etc.

S6: The code is based on binary digits.

a. PQRS

b. PRQS

c. PQSR

d. RPQS

12 / 50

13 / 50

The electronic theory of valency was given by:

a. Dalton and Lavoiser

b. Rutherford

c. Kossel and Lewis

d. Guldberg & Waage

14 / 50

What does CTRL + X in keyboard of a desktop stand for?

a. copy

b. cut

c. paste

d. undo

15 / 50

Which of the following molecules does not exist?

a. NCl5

b. PF5

c. ClF5

d. SF6

16 / 50

On which date is Nobel prize awarded?

a. 5th January

b. 12th March

c. 10th December

d. 16th November

17 / 50

The roots of equation x2 - (p+1)x + p = 0  are:

a. Real and rational

b. Imaginary

c. Real and irrational

d. Imaginary and unequal

18 / 50

If mth  term of an AP is n and nth term is m, then rth term is:

a. m-n-r

b. m+n-r

c. m-n+r

d. n-r-m

19 / 50

The heating effect of atmosphere is due to:

a. Ultraviolet rays

b. Infrared rays

c. Carbon dioxide

d. Both b & c

20 / 50

The top of a lake is frozen, and the air in contact is at -100 The temperature of the water at the bottom of the lake is:

a. -100C

b. -00C

c. 40C

d. 30C

21 / 50

A finely divided catalyst is more effective because in this state:

a. More energy is stored in the catalyst

b. Colloidal state is formed

c. More active centres are formed

d. More surface area is not available

22 / 50

Will Mary be in time if she the ten o’clock bus?

a. get

b. got

c. gets

d. will get

23 / 50

To plough the sand:

a. To make the desert bloom

b. To work in vain

c. To do a difficult work

d. To make the desert fertile

24 / 50

Complete the proverb: "Dead me" no ……

a. Names

b. Truth

c. Tales

d. Lies

25 / 50

Fermi is equal to:

a. 10-12Farad

b. 10-12m

c. 10-15m

d. 10-15A

26 / 50

A person of ‘Nepotism’ is

a. Liberation

b. Opposition

c. Impartiality

d. Unpracticed

27 / 50

28 / 50

29 / 50

The word 'chocolate' has ..... vowel.

a. one

b. three

c. two

d. None of these

30 / 50

Your handwriting is ……

a. Eligible

b. Sensitive

c. Illegible

d. sensible

31 / 50

If f(x+1) = x + 2 , then f(x-1) =

a. 2

b. x+1

c. x

d. x-1

32 / 50

Chromatin fibres are condensed to chromosome in:

a. Interphase

b. Prophase

c. Metaphase

d. Anaphase

33 / 50

The poison in the tentacles of Hydra is:

a. Aflatoxin

b. Hypnotoxin

c. Venom

d. Chemotoxin

34 / 50

The magnitude of the sum of two vectors is equal to the magnitude of their difference. The angle between those      vectors will be:

a. 600

b. 900

c. 1200

d. 1800

35 / 50

Which of the following causes acceleration of heart beat during stress?

a. Adrenal gland

b. Corpus luteum

c. Thymus gland

d. Thyroid gland

36 / 50

They aren't taking with them,

a. much luggage

b. many luggages

c. much luggages

d. slot of luggages

37 / 50

Which of the following has the maximum number of unpaired electrons?

a. Zn

b. Fe++

c. Ni3+

d. Cu+

38 / 50

Brass is:

a. Cu + Zn

b. Cu + Sn

c. Cu + Zn + Sn

d. Fe + Cu

39 / 50

40 / 50

41 / 50

Sex organs are multicellular & jacketed in:

a. Algae

b. Fungi

c. Moss

d. All of these

42 / 50

Which of the following Era is also called “Age of Reptiles”?

a. Mesozoic

b. Coenozoic

c. Palaeozoic

d. All of these

43 / 50

The number of girls in a class is 5 times that of boys. Which of the following cannot be the total number of students in the class?

a. 35

b. 24

c. 78

d. 42

44 / 50

Sinu-atrial node is found in the:

a. Left ventricle

b. Left atrium

c. Right atrium

d. Right ventricle

45 / 50

Neutron was discovered by:

a. Rutherford

b. Goldstein

c. Thomson

d. Chadwick

46 / 50

The number of elements in 5th period periodic table is:

a. 8

b. 14

c. 18

d. 32

47 / 50

The adsorption of hydrogen by the metals is called:

a. Dehydrogenation

b. Hydrogenation

c. Occlusion

d. Adsorption

48 / 50

The ratio in which the line joining  (-3, 4) and (2, 6) divided by y-axis is:

a. 1:1

b. 3:2

c. 1:2

d. 4:3

49 / 50

50 / 50

If  AB = C , then the order of matrices A, B and C are:

a. A3x3, B2x3,C2x3

b. A3x2, B2x3,C3x2

c. A3x3 ,B3x3 ,C3x2

d. A3x2, B2x3 ,C3x3

Your score is

The average score is 38%

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