In 1981, ISRO launched India's first geostationary satellite called -
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Name the hottest planet.
Concentration of water vapour in troposphere is
Which of the following is a viral disease?
Which colour is formed when Red and Green are mixed?
Which one of the following bio reserves of India is not included in the World Network of Biosphere Reserve?
Plants get their energy to produce food from which of the following?
In a food chain, what is the difference between primary consumers and secondary consumers?