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The substance which causes a definite change in genes is called "mutagen." Mutagens are agents such as chemicals, radiation, or viruses that can alter the genetic material (DNA) in an organism, leading to mutations.
The robber murdered the woman in cold blood for the sake of the jewels.
Given below are the sentences with Idioms and Phrases highlighted in bold. You are required to choose the most correct meaning of the phrase from the g...
Play it by the ear
Put the cat among the pigeons
Select the option that can be meaning of given idioms
To add insult to injury
Hear it on the grapevine
Mare's nest
Have we made headway in our attempts to save the world’s rain forests?
On the ball
In each question, four alternatives are given for the Idiom / Phrase highlighted in the sentence. Choose the alternative which best expresses the meani...