86: The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by
(a) a decrease in the supply of oxygen
(b) minor wear and tear of muscle fibres
(c) the depletion of glucose
(d) the accumulation of lactic acid
87: The Prakrit text "Gathasaptasati" is attributed to the Satavahana king:
(a) Vasishtiputra Pulumavi
(b) Hala
(c) Gautamiputra Satkarni
(d) Amaru
88: Which of the following have coral reefs?
1. Andaman and Nicobar Islands
2. Gulf of Kachchh
3. Gulf of Mannar
4. Sunderbans
Select the correct answer using the code given below.
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4
89: Norman Ernest Borlaug who is regarded as the father of the Green Revolution in India is from which country?
(a) Mexico
(b) USA
(c) New Zealand
(d) Australia
90: Who of the following Prime Ministers sent Cripps Mission to India?
(a) Neville Chamberlain
(b) Stanley Baldwin
(c) Winston Churchill
(d) James Ramsay MacDonald