Questions

A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.

In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?

In the following questions a part of a sentence is given in bold, it is then followed by four sentences which try to explain the meaning of the idiom/phrase given in bold. Choose the
alternative from the four given below each question which explains the meaning of the phrase correctly without altering the meaning of the sentence given as question. If none of the sentence explains the meaning of the highlighted phrase, choose option 5 i.e., “None of these” as your answer choice

At the start of his presentation, it seemed that he’s out of his mind, but when he finished, we saw that there’s method in his madness.

In male reproductive system, the testes are situated outside the abdominal cavity within a pouch called __________.

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.

While language as the medium ___________ thought may be compared to air as the medium of the sun's influence, in other _____________ it is like the skin of the body; a scurvy skin shows bad blood within, and a scurvy language shows inaccurate thought ___________ a confused mind. And as a disease once fixed on the skin reacts and poisons the blood in turn as it has first been poisoned by the blood, so careless use of language __________ indulged reacts on the mind to make it permanently and increasingly _____________, illogical, and inaccurate in its thinking.

as the medium ___________ thought may

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".

We, all of us, (are compromise) the moment we’re living in.

Select the word with the correct spelling.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

I was able to sense

A-a mildly supercilious tone, despite his

B-was unnerving

C-warmth and friendliness, and it