Which of the following is not an assumption of perfect competition?
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Which one of the following derives nutrition from plants as a parasite?
Oparin's theory about 'Origin of life' is related to
Which of the following countries has built the world's biggest air purifier, a 328 feet high tower, to combat air pollution?
In sexual reproduction a parent contributes
Earnings per share are calculated by dividing
___________ is a hormone that regulates the amount of glucose in the blood.
Fertilisation of sperm with the ovum takes place in