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+2 Science Entrance Exam

1 / 50

In DABC, if 2 cos A =sin B/sin C, then the D is:

a. Right angled triangle

b. Equilateral triangle

c. Isosceles triangle

d. Scalene triangle

2 / 50

The speed of sound in humid air is V1 and that in dry air is V2. Then, at the same temperature:

a. V1 = V2

b. V1 > V2

c. V1 < V2

d. None

3 / 50

Complete the proverb: "Dead me" no ……

a. Names

b. Truth

c. Tales

d. Lies

4 / 50

The fastest mode of heat transfer is:

a. Conduction

b. Convection

c. Radiation

d. All of the above

5 / 50

6 / 50

Which of the following molecules does not exist?

a. NCl5

b. PF5

c. ClF5

d. SF6

7 / 50

Companion cells are usually seen associated with:

a. Fibres

b. Parenchyma

c. Xylem vessels

d. Sieve tube

8 / 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

9 / 50

The synonym of 'insolvent' is

a. bankrupt

b. jiffy

c. irrational

d. irredeemable

10 / 50

The plural of ‘cuckoo’ is

a. cuckoos

b. kuckoo

c. cuckooes

d. cuckoose

11 / 50

A chemical reaction is at equilibrium, when the rate of forward & backward reactions are:

a. Unequal

b. Constant

c. Equal

d. Increase

12 / 50

13 / 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

14 / 50

Choose the odd man out:

a. Bulls bellow

b. camels yelp,

c. Bears: growl

d. eagles: screa

15 / 50

L.P.G. consists of:

a. Methane & Ethane

b. Acetylene & Hydrogen

c. Butane & Iso-butane

d. Ethylene & carbon monoxide

16 / 50

17 / 50

18 / 50

Sinu-atrial node is found in the:

a. Left ventricle

b. Left atrium

c. Right atrium

d. Right ventricle

19 / 50

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

a. Adrenal gland

b. Corpus luteum

c. Thymus gland

d. Thyroid gland

20 / 50

21 / 50

22 / 50

Short remaining end of a cigarette:

a. filing

b. pinch

c. filament

d. stub

23 / 50

A person sold an article at a profit of a. 15% if he had sold it for Rs.81 less, his less would have been 12%. Find cost price of article:

a. Rs. 280

b. Rs. 300

c. Rs. 290

d. Rs. 320

24 / 50

25 / 50

The image of P(3-a, 4-b)  when reflected along y-axis is P' (2a-5, b+2) . The value of a and b are:

a. 1, 2

b. 2, 2

c. 2, 1

d. 1, 1

26 / 50

The molecular formula of Marsh gas is:

a. CO2

b. CH4

c. NO2

d. NH3

27 / 50

He said to me, “People must obey their country’s laws”:

a. He told me that people must obey their country’s laws.

b. He said to me people must obey their country’s law.

c. He told me that people had to obey their country’s law.

d. He told me that people had to be obeyed their country’s law.

28 / 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

29 / 50

Q's mother is sister of P and daughter of M. S is daughter of P and sister of T. How is M related to T?

a. Father

b. Grandmother

c. Grandfather

d. Grandfather or Grandmother

30 / 50

The population of a town 2 years ago was 40,000 and now is 44,100. What is growth rate?

a. 2%

b. 5%

c. 4%

d. 6%

31 / 50

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

a. Mesozoic

b. Coenozoic

c. Palaeozoic

d. All of these

32 / 50

The smallest micro-organisms are:

a. Rickettsiae

b. Mycoplasma

c. Virus

d. Toxoplasma

33 / 50

The theory of continental drift assumes that there long term climatic changes in many areas during the past:

a. must have been

b. must have

c. must be

d. must

34 / 50

The electronic theory of valency was given by:

a. Dalton and Lavoiser

b. Rutherford

c. Kossel and Lewis

d. Guldberg & Waage

35 / 50

36 / 50

The word ‘tepid’ means:

a. hot

b. like warm

c. cold

d. none

37 / 50

The adsorption of hydrogen by the metals is called:

a. Dehydrogenation

b. Hydrogenation

c. Occlusion

d. Adsorption

38 / 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

39 / 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

40 / 50

The mean weight of 150 students is 60 Kg. The mean weight of boys is 70 Kg and that of girl is 55 Kg. The number of girls is:

a. 50

b. 25

c. 150

d. 100

41 / 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

42 / 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

43 / 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

44 / 50

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

a. 8

b. 14

c. 18

d. 32

45 / 50

In which city the headquarters of World Bank located?

a. Geneva

b. Washington D.C.

c. Zurich

d. London

46 / 50

She does not need to go, ……?

a. does she

b. needn’t she

c. need she

d. both a and b.

47 / 50

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

a. get

b. got

c. gets

d. will get

48 / 50

Who invented the stethoscope?

a. Einthoven

b. Hans Berger

c. R.T.H. Laenne

d. Landsteiner

49 / 50

50 / 50

The heating effect of atmosphere is due to:

a. Ultraviolet rays

b. Infrared rays

c. Carbon dioxide

d. Both b & c

Your score is

The average score is 38%

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