176: How do most insects respire?
(a) Through gills
(b) By tracheal system
(c) By lungs
(d) Through skin
177: Consider the following :
1. Rice fields
2.Coal mining
3. Domestic animals
4.Coal mining Wetlands
Which of the above are sources of methane, a major greenhouse gas?
(a) 1 and 4 only
(b) 1, 2 and 3 only
(c) 2 and 3 only
(d) 1, 2, 3 and 4
178: With reference to the British colonial rule in India, consider the following statements:
1. Mahatma Gandhi was instrumental in the abolition of the system of indentured labour
2. In Lord Chelmsfords War Conference, Mahatma Gandhi did not support the resolution on recruiting Indians for World War.
3. Consequent upon the breaking of Salt Law by Indian people, the Indian National Congress was declared illegal by the colonial rulers.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
179: The Prakrit text "Gathasaptasati" is attributed to the Satavahana king:
(a) Vasishtiputra Pulumavi
(b) Hala
(c) Gautamiputra Satkarni
(d) Amaru
180: India's contribution to Mathematics includes:
1. Number system
2. Decimal system
3. Concept of zero
(a) 1, 2 & 3
(b) 1 & 2
(c) 2 & 3
(d) 1 & 3