Questions

Pentane has _____ structural isomers.

What is an endothermic reaction?

The outermost layer of skin is

Which of the following is an excretory organ of cockroach?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

to make (someone) anxious or unsettled.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

We wish to make globalisation a means to expand human well being and freedom, (1)/ and to bring democracy and developmental (2)/ to local communities where people live. (3)/ No error (4).

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

A hair’s breadth

While releasing the arrow from a stretched bow, the PE of the bow is converted into?