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+2 Science Entrance Exam

1 / 50

If α and β are roots of the equation x2  cp (x+1) - c = 0  then (1+θ)(1+β) =

a. 1+p

b. 1-p

c. 1+c

d. 1-c

2 / 50

I'm tired. I'd rather ...... out this evening if you don't mind.

a. hadn't gone

b. don't go

c. haven't gone

d. not go

3 / 50

The electronic theory of valency was given by:

a. Dalton and Lavoiser

b. Rutherford

c. Kossel and Lewis

d. Guldberg & Waage

4 / 50

Rhizome & rachis of fern are covered with:

a. Hairs

b. Scales

c. Rhizoids

d. Ramenta

5 / 50

On which date is Nobel prize awarded?

a. 5th January

b. 12th March

c. 10th December

d. 16th November

6 / 50

Choose the odd man out:

a. Bulls bellow

b. camels yelp,

c. Bears: growl

d. eagles: screa

7 / 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

8 / 50

Which of the following molecules does not exist?

a. NCl5

b. PF5

c. ClF5

d. SF6

9 / 50

Max Planck introduced Quantum theory in 1901. According to this theory, photons are:

a. Massless bundle of energy

b. Continuous form of energy

c. Matters that emit light

d. Particles which are negatively charged

10 / 50

A car sometimes overturns while taking a turn. When it overturns:

a. Its inner wheels leave the ground first

b. Its outer wheels leave the ground first

c. Both wheels leave the ground simultaneously

d. Either wheel leaves the ground first

11 / 50

Fermi is equal to:

a. 10-12Farad

b. 10-12m

c. 10-15m

d. 10-15A

12 / 50

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

a. Adrenal gland

b. Corpus luteum

c. Thymus gland

d. Thyroid gland

13 / 50

Which number should replace the question mark?

17 8 5 5
13 7 5 4
6 12 6 3
10 6 4 ?

 

a. 4

b. 6

c. 5

d. 7

14 / 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

15 / 50

Neutron was discovered by:

a. Rutherford

b. Goldstein

c. Thomson

d. Chadwick

16 / 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

17 / 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

18 / 50

Cell eating is called:

a. Exocytosis

b. Pinocytosis

c. Phagocytosis

d. Osmosis

19 / 50

…… the last fortnight, I have noticed that you have been keeping away the English class.

a. During, from

b. In, during

c. Within, in

d. Amid, in

20 / 50

Greek God of war is

a. Venus

b. Zeus

c. Phoebe

d. Mars

21 / 50

Father of plant physiology is:      

a. M. Calvin

b. Stephan Hales

c. G. Mendel

d. Theophrastus

22 / 50

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

a. one

b. three

c. two

d. None of these

23 / 50

24 / 50

She does not need to go, ……?

a. does she

b. needn’t she

c. need she

d. both a and b.

25 / 50

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

a. 2

b. x+1

c. x

d. x-1

26 / 50

Sinu-atrial node is found in the:

a. Left ventricle

b. Left atrium

c. Right atrium

d. Right ventricle

27 / 50

 The peripheral nervous system in vertebrates consists of:

a. Cranial nerves alone

b. Cranial & spinal nerves

c. Spinal & sympathetic nerves

d. Sympathetic & parasympathetic nerves

28 / 50

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

a. copy

b. cut

c. paste

d. undo

29 / 50

Short remaining end of a cigarette:

a. filing

b. pinch

c. filament

d. stub

30 / 50

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

a. Zn

b. Fe++

c. Ni3+

d. Cu+

31 / 50

32 / 50

33 / 50

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

a. get

b. got

c. gets

d. will get

34 / 50

Sex organs are multicellular & jacketed in:

a. Algae

b. Fungi

c. Moss

d. All of these

35 / 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

36 / 50

Lizards deliberately break their tail off to protect      themselves from predators. The phenomenon is called:

a. Morpholaxis

b. Autotomy

c. Regeneration

d. None of these

37 / 50

Formation of protein from m-RNA is:

a. Translation

b. Transcription

c. Transduction

d. Transversion

38 / 50

39 / 50

The smallest micro-organisms are:

a. Rickettsiae

b. Mycoplasma

c. Virus

d. Toxoplasma

40 / 50

On moving from the equator to the poles, the value of ‘g’:

a. Decreases

b. Increases

c. Remains the same

d. Decreases up to latitude 45°

41 / 50

42 / 50

In which city the headquarters of World Bank located?

a. Geneva

b. Washington D.C.

c. Zurich

d. London

43 / 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

44 / 50

They aren't taking with them,

a. much luggage

b. many luggages

c. much luggages

d. slot of luggages

45 / 50

Which of the following produces more severe burns?

a. Boiling water

b. Steam

c. Hot air

d. Sun rays

46 / 50

Hirudinaria and Pheretima are the representatives of the   phylum:

a. Cnidaria

b. Platyhelminthes

c. Annelida

d. Arthropoda

47 / 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

48 / 50

An animal having unsegmented, coelomated and radially    symmetrical body with distinct oral & aboral surfaces is a   member of:

a. Echinodermata

b. Mollusca

c. Annelida

d. Arthropoda

49 / 50

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

a. 16

b. 14

c. 15

d. 13

50 / 50

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

a. Mesozoic

b. Coenozoic

c. Palaeozoic

d. All of these

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The average score is 38%

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