61. The 2004 Tsunami made people realise that mangroves can
serve as a reliable safety hedge against coastal calamities. How do mangroves
function as safety hedge?
(a) The mangrove
swamps separate the human settlements from the sea by a wide zone in which
people neither live nor venture out.
(b) The mangrove
provides both food and medicines which people are in need of after any natural
disaster.
(c) the mangrove trees are tall with dense canopies and
serve as an excellent shelter during a cyclone or tsunami.
(d)The mangrove trees do not get uprooted by storms and
tides because of their extensive roots.
62. The “Red Data Book” published by International Union for Conservation of Nature and Natural Resources (IUCN) contain lists of
1. Endemic plant and animal species present in the
biodiversity hotspots.
2. Threatened plant and animal species.
3. Protected sites for conservation of nature and natural
resources in various countries.
Select the correct answer using the codes given below.
(a)
1 and 3 (b) 2 only (c)2 and 3 (d) 3 only
63.La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino?
1. La Nina is characterised by unusually cold ocean
temperature in the equatorial Pacific Ocean.
2. EL Nino has adverse effect on south –west monsoon
climate.
Which of the statements given above is/are correct?
(a)
1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
64. Consider the following statements.
1. Biodiversity is normally greater in the lower latitudes as compared to the
higher altitudes.
2. Along the mountain gradients, biodiversity is normally
greater in the lower altitude as compared to higher altitudes.
Which of the statements given above is/are correct?
(a)
1 only (b) 2 only (c) Both 1 and
2 (d) Neither 1 nor 2
65.Micobial fuel cells are considered a source of sustainable energy. Why?
1. They use living
organisms as catalysts to generate electricity from certain substrates.
2. they use a variety of inorganixc materials as substrates.
3. they can be installed in waste water treatment plants to
cleanse water and produce electricity.
Which of the statements given above is/are correct?
(a)
1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3
66. With what purpose is the Government of India promoting the concepts of “Mega Food Parks”?
1. To provide good infrastructure facilities for
the food processing industries
2. To increase the processing of perishable items and reduce
wastage
3. to provide emerging and ecofriendly food processing
technologies
Select the correct answer using the codes given below.
(a)
1 only (b) 1 and 2 only (c)2 and 3 only (d) 1, 2 and 3
67. Biodiversity forms the basis for human existence in the following ways:
1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste
4.. Pollination of crops
Select the correct answer using the codes given below.
(a)
1, 2 and 3 only (b) 2, 3 and 4 only (c) 1 and 4 only (d) 1, 2, 3 and 4
68 which one of the following is located in Bastar region?
(a) Bandhavgarh National Park
(b)Dandeli Sanctuary
(c) Rajaji National Park
(d) Indravati National Park
69. Consider the following
1. Rice Fields 2. Coal mining 3. Domestic animals
4. Wet lands
Which of the above are sources of methane, a major
greenhouse gas?
(a)
1 and 4 only (b) 2 and 3 only (c) 1, 2 and 3 only (d) 1, 2, 3 and 4
70. In a food chain of cat, seed –eating birds, plants and dog, which one will have maximum pesticides?
70. In a food chain of cat, seed –eating birds, plants and dog, which one will have maximum pesticides?
(a) Cat
(b) Plants
(c) Dog
(d) Seed 1, 2, 3 and 4
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