TEST SERIES - 13 (I)

Consider the following statements: 1. Biodiversity hotspots are located only in tropical regions. 2. India has four biodiversity hotspot i.e., Eastern Himalayas, Western Himalayas, Western Ghats and Andaman and Nicobar Islands. Which of the statements given above is/are correct?

• Only 1

• Only 2

• Both 1 and 2

• Neither 1 nor 2

Consider the following statements: 1. The boundary of a National Park is circumscribed by legislation whereas that of a Biosphere Reserves is not circumscribed by legislation. 2. In a National Park, particular attention is paid to the conservation of genepools whereas it is not so in a Wildlife Sanctuary. Which of the statement (s) given above is/are correct?

• Only 1

• Only 2

• Both 1 and 2

• Neither 1 nor 2

Consider the following statements: Majuli, the largest river island in the world is environmentally degraded due to 1. floods 2. erosion 3. increasing population pressure 4. development of transport activities Which of the above statements are correct?

• 1 and 4

• 1 and 3

• 1, 2 and 3

• 2, 3 and 4

With reference to a fresh water lake, consider the following characteristics: 1. Richness in nutrients 2. Rapid turnover of phytoplankton 3. Depletion of dissolved oxygen Which of the above is/are observed in a lake after its eutrophication?

• Only 1

• 1 and 2

• Only 3

• 1, 2 and 3

Consider the following which can be found in the ambient atmosphere: 1. Soot 2. Sulphur hexafluoride 3. Water vapour Which of the above contribute to the warming up of the atmosphere?

• Only 1 and 2

• Only 3

• Only 2 and 3

• 1, 2 and 3

The following forms of relationship exist between man and his environment according to the development of geographical thought: 1. Environmental determinism 2. Possibilism 3. Neo-determinism The correct sequence of the development of these forms of relationship is

• 2, 1, 3

• 2, 1, 3

• 1, 3, 2

• 1, 2, 3

Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/reasons is this attributable? 1. The anaerobic conditions associated with rice cultivation cause the emission of methane.2. When nitrogen based fertilizers are used, nitrous oxide is emitted from the cultivated soil. Which of the statements given above is/are correct?

• Only 1

• Only 2

• Both 1 and 2

• Neither 1 nor 2

Which of the following statements about Radioactive pollution are correct? 1. It causes hereditary change in the animals. 2. It causes disbalance among different minerals in the soil. 3. It hinders blood circulation. 4. It causes carcinogenesis. Select the correct answer from the codes given below:

• 1 and 2

• 1 and 4

• 1 and 4

• 2, 3 and 4

Rhine Valley of France is famous for

• Zinc deposits

• Copper deposits

• Nickel deposits

• Bauxite deposits

Oak is most important tree of

• Polar climate

• Subpolar climate

• Dry climate

• West European climate