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.

in the first life-form and ______________ through all the

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

Go north-east across the mountains till you will reach an island.

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 shocked to hear (1)/ that her husband (2)/ died of an accident. (3)/ No Error (4)

For each perfectly competitive firm in the long run

__________ resources are those resources whose quantity is known.

The unemployment created at certain times of the year, when the demand for goods and services are lower than normal, is _____.

Hydra reproduces by

Non-metallic character increases from ____.