Environment and Biodiversity MCQs – 01 ( Basics of Ecology )
Most important MCQs from the chapter – Basics of Ecology MCQs for UPSC, State PSC and Other Examinations.
Home » UPSC Study Materials » Prelims Express » Chapterwise MCQs » Environment and Ecology MCQs » Environment and Biodiversity MCQs – 08 (Biodiversity Conservation)
Most important MCQs from the chapter – Biodiversity Conservation MCQs for UPSC, State PSC and Other Examinations.
1. The maximum biodiversity is found in which among the following types of forests ?
(a) Tropical rain forests
(b) Temperate forests
(c) Coniferous forests
(d) Arctic forests
Correct Answer – (a) Tropical rain forests
2. Which one of the following trees is considered to be an environmental hazard ?
(a) Babool
(b) Teak
(c) Neem
(d) Eucalyptus
Correct Answer – (d) Eucalyptus
3. Which one of the following is the most important cause for decline of biodiversity ?
(a) Genetic assimilation
(b) Rise in Predators
(c) Destruction of habitat
(d) Persistent Organic Pollutants
Correct Answer – (c) Destruction of habitat
4. Which one of the following is focused on the conservation of biodiversity ?
(a) Biosphere Reserves
(b) Botanical Gardens
(c) National Parks
(d) Wild Life Sanctuaries
Correct Answer – (a) Biosphere Reserves
5. Consider the following statements Biodiversity Hotspots :
1. These are regions with exceptional concentrations of unique species.
2. The concept of biodiversity hotspots was given by biologist Norman Myers.
Select the correct statement(s) using the codes given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Correct Answer – (c) Both 1 and 2
6. Which among the following is not a Biodiversity Hotspot ?
(a) Himalayas
(b) Indo-Burma region
(c) Western Ghats
(d) Amarkantak Hills
Correct Answer – (d) Amarkantak Hills
7. Which of the following can be threats to the biodiversity of a geographical area ?
1. Global warming
2. Destruction of habitat
3. Invasion of alien species
Select the correct answer using the codes given below:
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 2 and 3 only
(d) None of the Above
Correct Answer –Â (c) 1, 2 and 3 only
8. Consider the following statements:
1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes.
2. Biodiversity is normally greater in the lower altitudes as compared to the 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
Correct Answer –Â (c) Both 1 and 2
9. Consider the following statements about ‘Keystone species’:
1. Keystone species are the plants and organisms which have a large effect on the environment.
2. Keystone species play a critical role in maintaining the structure of an ecological community.
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
Correct Answer –Â (c) Both 1 and 2
10. Consider the following statements about ‘Genetic diversity’:
1. It is the variation in genes within a particular species.
2. It ensures that some species survive major changes and thus carry on desirable genes.
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
Correct Answer –Â (c) Both 1 and 2
11. Which among the following is used to measure the Biodiversity of an area ?
(a) Species richness
(b) Species evenness
(c) species mortality rate
(d) Both (a) and (b)
Correct Answer – (d) Both (a) and (b)
12. Which of the following is not a reason of Biodiversity Loss ?
1. Lack of pollination
2. Availability of food sources
3. Hunting and Poaching
Select the correct answer using the codes given below:
(a) 1 and 2 only
(b) 2 and 3 only
(c) 2 only
(d) 3 only
Correct Answer – (c) 2 only
13. Consider the following pairs about Biodiversity Conservation:
1. In-situ conservation → Conserving the animals and plants in their natural habitats
2. Ex-situ conservation → Conserving the animals and plants outside their natural habitats
Which of the pairs given above is/are correctly matched ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Correct Answer –Â (c) Both 1 and 2
14. A property of a species being unique to a defined geographic location is known as ?
(a) Species richness
(b) Species evenness
(c) Endemism
(d) Alpha diversity
Correct Answer – (c) Endemism
15. Which one of the following is not an example of in-situ conservation of flora ?
(a) Biosphere Reserves
(b) Botanical Garden
(c) National Park
(d) Wildlife Sanctuary
Correct Answer – (b) Botanical Garden
Most important MCQs from the chapter – Basics of Ecology MCQs for UPSC, State PSC and Other Examinations.
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