Questions

______ of species is a reflection of their evolutionary relationships.

Which of the following layers of the atmosphere makes Radio Communication possible?

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expressesthe same sentence in Passive/Active voice.

Why do you waste money?

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: The word ‘media’ is derived from the word medium, signifying mode or carrier.
Q: Media is intended to reach and address a large target group or audience.
R: In today’s world, media becomes as essential as our daily needs.
S: The word was first used in respect of books and newspapers i.e. print media and with the advent of technology, media now encompasses television, movies, radio
and internet.

In the following items, each passage consists of six sentences. The first and the sixth sentence are given in the beginning as S1 and S6. The middle four sentences in each have been removed and jumbled up. These are labeled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet.

S1 :There is no doubt that the rules governing imports, manufacture and the use of pesticides need to be further tightened up.
S6:At the same time, better pollution control measures are needed to check the discharge of poisonous gases and chemicals by a host of other industries which are equally responsible for poisoning our world.
P:But a more practical and feasible approach is required to tackle this problem.
Q:No one can deny the importance of pesticides in our agriculture.
R:The proposed amendment is an attempt at doing this, but in the process it seems to have gone overboard in most cases.
S:Even today, nearly a fourth of our crop is lost due to pests and weeds.

The proper sequence should be 

Which of the following is a metabolic function of skin?

Molecular clocks are based on the idea that _____.

Name the first Indian to get Nobel prize in economics.