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Question 1:

Which element plays an important role in nitrogen fixation?

Question 2:

Which of the following elements does not contain neutrons?

Question 3:

The fiber that burns readily with the smell of burning paper is:

Question 4:

Body temperature is regulated by-

Question 5:

The process of cleaning grease by soap is called?

Question 6:

Which is the largest gland in our body ?

Question 7:

What is Hydroponics?

Question 8:

Which gas is filled in normal tube-lights?

Question 9:

A substance which cannot be broken down further by chemical reactions, by cooling, heating, or by electrolysis, is called ______

Question 10:

Spinach leaves contains the highest amount of -