Questions

Which of the following compounds has a double bond?

Molecular clocks are based on the idea that _____.

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.

and non commercial sources. The most _____ sources of energy today are coal and natural gas

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

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’.

The more obvious feature (1)/ of the modern world is the enormous (2)/ development of Science and Technology. (3)/ No error (4)

What is the pH value of human blood?

Which of the following physiological symptoms are signs of stress?

Which of the following reproduce both, sexually as well as asexually?