Questions

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

The _____ of energy in India are met from both commercial and non commercial sources. The most _____ sources of energy today are coal and natural gas, hydro
electricity and nuclear power. On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy. While non commercial
forms of energy _____ demand, coal is the _____ source of commercial energy in India.

coal is the _____ source of commercial energy in India. 

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'.
No sooner had he finished (1)/ his morning walk (2)/ when it began to rain. (3)/ No Error (4)

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four
alternatives.

Morality is _____ with ethics and symbolises the doctrine of actions right or wrong. Politics is the _____ of expediency and need not always be _____. If something is wrong and _____ expedient, it cannot be _____.

Politics is the _____ of expediency

In a food chain, what is the difference between primary consumers and secondary consumers?

From which of the following are the Fundamental duties adopted?

Who took charge as the new Comptroller and Auditor General (CAG) of India in 2017?

The phenomenon of change in direction of light when it passes from one medium to another is called

The attenuation in optical fibre is mainly due to