Questions

Choose the most appropriate answer:In which atmospheric layer are the communication satellites located?

In nuclear reactor, cadmium rods are used as which of the following?

The weight of a boy on the surface of the moon is 300 N. The weight of the same boy on the surface of the earth will be

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.

On the speech front, we

A-can all do something individually

B-idiom of communication

C-if we change our

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.

sole factor in the ____________ of the parent properties

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

Preeti said to her friend, "I am like my mother."

Who won the first T-20 Cricket World Cup?

The centroid of an equilateral triangle ABC is G. If AB is 6 cms, the length of AG is