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.

natural selection in the struggle _____________ existence, and partner selection

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'.   

Proteins are providers of energy in an emergency, (1)/ and are primarily used as building blocking (2)/ for growth and repair of many body tissues. (3)/ No error (4)

The mobile app 'cVIGIL' is helpful in

Which is India's first defense satellite?

Which of the following is the most abundant metal on Earth's crust?

__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

Thermal electricity is generated by using which of these ?

The ozone layer protects us from harmful _______________ rays of the sun.