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.

sole factor in the ____________ of the parent properties

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Fritter

Air moves from the region where the air _____________________________.

In nuclear reactor, cadmium rods are used as which of the following?

In which year was the First Five Year Plan launched in India?

Elements A, B and C occur as Dobereiners triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?

Kurukshetra, the famous battle field mentioned in Mahabharata was located near

Which metal is liquid at room temperature?