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

Predicament

Which of the following is the primary sex organ in man?

__________________ is a good whose quantity demanded decreases when consumer income rises.

Mechanical energy is the sum of

______________ scheme launched by the Central Government aims to cover all those children by 2020 who are either unvaccinated, or are partially vaccinated against seven vaccine preventable diseases.

Which Constitutional Amendment Act gave constitutional recognition to the panchayats?

All of the following are true about ecosystems except