Questions

Who appoints Chairman of Union Public Service Commission in India?

If I is the current through a wire and e is the charge of an electron, then the number of electrons crossing in t seconds will be given by

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

I didn’t go to office because I was ill.

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 modern periodic table, which of the two periods contain 8 elements each?

Which of the following rivers flows from south to north?

The formed elements in the blood are

Which of the following is a nitrogen-fixing bacteria?