81: Which of the following pairs is/are correctly matched ? Spacecraft Purpose
1. Cassini -Huygens Orbiting the: Venus and transmitting data to the Earth
2. Messenger: Mapping and investigating the Mercury
3. Voyager 1 and 2: Exploring the outer solar system
Select the correct answer using thecode given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
82: Which one of the following is not a site for in-situ method of conservation of flora?
(a) Wildlife Sanctuary
(b) Botanical Garden
(c) National Park
(d) Biosphere Reserve
83: India is a party to the Ramsar Convention and has declared many areas as Ramsar Sites. Which of the following statements best describes as to how we should maintain these sites in the context of this Convention ?
(a) Keep all the sites completely inaccessible to man so that they will not be exploited
(b) Conserve all the sites through ecosystem approach and permit tourism and recreation only
(c) Conserve all the sites through ecosystem approach for a period without any exploitation, with specific criteria and specific period for each site, and then allow sustainable use of them by future generations.
(d) Conserve all the sites through ecosystem approach and allow their simultaneous sustainable use
Explanation:
The Ramsar Convention (The Convention on Wetlands of International Importance, especially as Waterfowl Habitat) is an international treaty for the conservation and sustainable utilisation of wetalands, i.e., to stem to progressive encroachment on and loss of wetlands now and in the future, recognising the fundamental ecological functions of wetlands and their economic, cultural, scientific, and recreational value. Ramsar Convention calls for sustainable use of preserved sites in such a way that people living there shall not be deprived and the resources are also maintained for present and future use.
84: Among the following cities, which one is nearest to the Tropic of Cancer?
(a) Delhi
(b) Kolkata
(c) Jodhpur
(d) Nagpur
85: High temperature and low pressure over the Indian Sub-Continent during the summer season, draws air from the Indian Ocean leading to the in-blowing of the
(a) Southeast monsoon
(b) Southwest monsoon
(c) Trade winds
(d) Westerlies