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, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

She ______ in a small European country.

The name of our planet Earth originates from which language?

The ability to memorize well is an example of

Sextant is an instrument used in which of the following ?

To hear a distinct echo the time interval between the original sound and the reflected sound must be at least

The land forms formed by wave erosion is

Which one of the following cell organelles mainly functions as storehouse of digestive enzymes?