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

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

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

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

a. Zn

b. Fe⁺⁺

c. Ni3⁺

d. Cu⁺

Your handwriting is ……

a. Eligible

b. Sensitive

c. Illegible

d. sensible

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

If m^th  term of an AP is n and n^th term is m, then r^th term is:

a. m-n-r

b. m+n-r

c. m-n+r

d. n-r-m

The heating effect of atmosphere is due to:

a. Ultraviolet rays

b. Infrared rays

c. Carbon dioxide

d. Both b & c

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

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

 The peripheral nervous system in vertebrates consists of:

a. Cranial nerves alone

b. Cranial & spinal nerves

c. Spinal & sympathetic nerves

d. Sympathetic & parasympathetic nerves

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%

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.

Formation of protein from m-RNA is:

a. Translation

b. Transcription

c. Transduction

d. Transversion

Brass is:

a. Cu + Zn

b. Cu + Sn

c. Cu + Zn + Sn

d. Fe + Cu

Motile, elongated, zygote of Plasmodium is found in:

a. Salivary gland of mosquito

b. Gut of mosquito

c. Human liver

d. Human R.B.C.

If A stands for add, B for subtract, C for multiply and D for divide, then for what does 4A 3B 3A 2 stand for?

a. 2

b. 6

c. 4

d. 8

Father of plant physiology is:      

a. M. Calvin

b. Stephan Hales

c. G. Mendel

d. Theophrastus

A pendulum clock giving correct time on Earth is taken to the     Moon. Then it:

a. Becomes fast

b. Becomes slow

c. Remains unaffected

d. Stops

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

a. one

b. three

c. two

d. None of these

They aren't taking with them,

a. much luggage

b. many luggages

c. much luggages

d. slot of luggages

…… 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

On which date is Nobel prize awarded?

a. 5^th January

b. 12^th March

c. 10^th December

d. 16^th November

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

Companion cells are usually seen associated with:

a. Fibres

b. Parenchyma

c. Xylem vessels

d. Sieve tube

Chromatin fibres are condensed to chromosome in:

a. Interphase

b. Prophase

c. Metaphase

d. Anaphase

Rhizome & rachis of fern are covered with:

a. Hairs

b. Scales

c. Rhizoids

d. Ramenta

Neutron was discovered by:

a. Rutherford

b. Goldstein

c. Thomson

d. Chadwick

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

Which number should replace the question mark?

a. 4

b. 6

c. 5

d. 7

L.P.G. consists of:

a. Methane & Ethane

b. Acetylene & Hydrogen

c. Butane & Iso-butane

d. Ethylene & carbon monoxide

The adsorption of hydrogen by the metals is called:

a. Dehydrogenation

b. Hydrogenation

c. Occlusion

d. Adsorption

Which of the following produces more severe burns?

a. Boiling water

b. Steam

c. Hot air

d. Sun rays

Who invented the stethoscope?

a. Einthoven

b. Hans Berger

c. R.T.H. Laenne

d. Landsteiner

Hirudinaria and Pheretima are the representatives of the   phylum:

a. Cnidaria

b. Platyhelminthes

c. Annelida

d. Arthropoda

In which city the headquarters of World Bank located?

a. Geneva

b. Washington D.C.

c. Zurich

d. London

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

a. 2

b. x+1

c. x

d. x-1

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

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

a. Mesozoic

b. Coenozoic

c. Palaeozoic

d. All of these

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

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

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

Greek God of war is

a. Venus

b. Zeus

c. Phoebe

d. Mars

Which of the following molecules does not exist?

a. NCl₅

b. PF₅

c. ClF₅

d. SF₆