1.The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?
2.Which of the following is/are unique characteristic/characteristics of equatorial forests? 1) Presence of tall closely set trees with crowns forming a continuous canopy. 2) Coexistence of a large number of species. 3) Presence of numerous varieties of epiphytes. Select the correct answer using the code given below
3.Three of the following criteria have contributed to the recognition of Western Ghats-Sri Lanka and Indo-Burma regions as hotspots of biodiversity: 1) Species richness 2) Vegetation density 3) Endemism 4) Ethno-botanical importance 5) Threat perception 6) Adaptation of flora and fauna to warm and humid conditions Which three of the above are correct criteria in this context?
4.Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences? 1) Pollination of some plants could be adversely affected. 2) There could be a drastic increase in the fungal infections of some cultivated plants. 3) It could lead to a fall in the population of some species of wasps, spiders and birds. Select the correct answer using the code given below:
5.Which of the following can be threats to the biodiversity of a geographical area? 1) Global warming 2) Fragmentation of habitat 3) Invasion of alien species 4) Promotion of vegetarianism Select the correct answer using the codes given below:
6.The term "sixth mass extinction/sixth extinction" is often mentioned in the news in the context of the discussion of
7.Other than resistance to pests, what are the prospects for which genetically engineered plants have been created? 1. To enable them to withstand drought 2. To increase the nutritive value of the produce 3. To enable them to grow and do photosynthesis in spaceships and space stations 4. To increase their shelf life Select the correct answer using the codes given below
8.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:
9.Consider the following statements: 1) Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes. 2) Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes. Which of the statements given above is/are correct?
10.Consider the following international agreements: 1. The International Treaty on Plant Genetic Resources for Food andAgriculture 2. The United Nations Convention to Combat Desertification 3. The World Heritage Convention Which of the above has / have a bearing on the biodiversity?