Questions

Name the Russian chemist who stated that the properties of elements are a periodic function of their atomic masses?

The process of copying genetic information from one strand of DNA into RNA is termed as

If quantity of good X demanded increases from 4000 units to 5000 units when price of good Y increases from Rs 75 to Rs 90, find Arc Cross elasticity of demand?

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.

I said to my friends, "let us go to a picnic for a change".

In the modern periodic table, which of the two periods contain 8 elements each?

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.

The payment of dues have been _________ delayed , informed the executive to the client.

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.

Although it has been felt necessary to devote much space to ________ attempt to find principles that may be said to be at the basis ________ the art of all nations, the executive side of the question has not been neglected. And it is hoped that the __________ method for the study of drawing from the two opposite points of view ofline and mass here advocated may be useful, and help students to avoid some of the _____________ that results from attempting simultaneously the study of these______________ qualities of form expression.

much space to ________ attempt to find principles

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