Questions

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

_______________ the course of the development of different life-forms heredity—which, in plain English, is unconscious memory generated in the first life-form and ______________ through all the different species—is the sole factor in the ____________ of the parent properties; while adaptation to surrounding conditions and circumstances, natural selection in the struggle _____________ existence, and partner selection in the struggle of the males for ____________ are the principal factors in the differentiation of species.

the struggle of the males for ____________ are the principal factors

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

Mother needs your help in the kitchen.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

I was taken by surprise (A)/when I came(B)/face to face with my school friend.(C)/No error(D)

If the sum of three consecutive numbers is 15, what is the square of the middle number ?

To enlarge their hold over India, many wars were fought between British and Indians but NOT one of the following.

Centigrade, is the unit of measurement of temperature named after whom?

The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)

Bilateral monopoly situation is