In a food chain, what is the difference between primary consumers and secondary consumers?
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Which among the following has the maximum life span
Which out of the following is not a launch vehicle of India for placing satellites in the orbit?
The tree species most commonly used in social forestry is
Polio is a disease caused by which of the following?
According to the Indian Constitution, the Union ______ body is called the Parliament.
Which of the following physical quantity measures the rate of work done?
Black soil is also known by which of the following name ?