Questions

An element A forms an oxide with formula A3O4. What is the valency of element A?

How many pairs of ribs are there in human body?

Which disease is caused due to deficiency of Iron?

Select the word with the correct spelling.

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'.

He swam to(A)/an island that(B)/was not far away.(C)/No error(D)

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

Eating mud

Photosynthesis in plants takes place in

Mathura Refinery, the ............ refinery of Indian Oil was commissioned in 1982 with a capacity of 6.0 MMTPA to meet the demand of petroleum products in north western region of India.