Which of the following is a nitrogen-fixing bacteria?
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To which class does Oxyreductases, transferases, hydrolases belong?
In sexual reproduction a parent contributes
___________ is a hormone that regulates the amount of glucose in the blood.
Which of the following is a good source of Vitamin A?
____ forms a common passage for both urine and sperms in human males.
Dwarfness can be controlled by treating plants with
Which part of the human brain is the centre for intelligence, memory and emotions?