Questions

Optical fiber works on the principle of -

What is study of fungus known as?

The method of soil conservation in which rocks are piled up to slow down the flow of water which prevents gullies and further soil loss is called?

_____ is the source of energy and materials in human beings.

Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called?

Which cells in pancreas produce Insulin ?

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'.

These five sisters (1)/ care for one other (2)/ like mothers. (3)/ No Error (4)/

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.
It is mainly due to Peter's lethargy that the plan fell _____.