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, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

As humans we (crossing) our line in disturbing the balance of nature.

On which date was the partition of India announced?

Arrange the following words as per order in the dictionary and then choose the one which comes last.

Rajesh walks 2 km to south, then turns north­east, and walks 3 km. Then he turns south and walks 2 kms. Then he turns west and walks 4 kms. Finally, he turns north­west and walks 5 kms. In which direction is he from his starting point?

Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement.
Statements:
1. All cycles are ducks.
2. All ducks are swans.
Conclusions:
I. All swans are cycles.
II. Some swans are cycles.

The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)