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Biodiversity and Conservation

NEET (UG) 2019MCQEasy📈 Topic in 62% papers+4−1
Ques. 1NEET (UG) 2019

Which of the following is the most important cause for animals and plants being driven to extinction?

  1. Economic exploitation
  2. Alien species invasion
  3. Habitat loss and fragmentation
  4. Drought and floods

Answer

(3) Habitat loss and fragmentation

Solution

As per NCERT, among the four major causes of biodiversity loss (‘The Evil Quartet’), habitat loss and fragmentation is the most important cause driving animals and plants to extinction.

Example: tropical rain forests, once covering 14 per cent of the land surface, now cover no more than 6 per cent.

Answer: (3)

Keep practising — Biodiversity and Conservation

Ques. 2NEET (UG) 2019

Which one of the following is not a method of in situ conservation of biodiversity?

  1. Botanical Garden
  2. Sacred Grove
  3. Biosphere Reserve
  4. Wildlife Sanctuary
Ques. 3NEET 2018

All of the following are included in ‘ex-situ conservation’ except

  1. wildlife safari parks
  2. sacred groves
  3. botanical gardens
  4. seed banks
Ques. 4NEET 2017

Which one of the following is related to Ex-situ conservation of threatened animals and plants ?

  1. Biodiversity hot spots
  2. Himalayan region
  3. Amazon rainforest
  4. Wildlife Safari Parks
Ques. 5NEET 2017

Alexander von Humboldt described for the first time :

  1. Laws of limiting factor
  2. Population Growth equation
  3. Species area relationships
  4. Ecological Biodiversity
Ques. 6NEET 2017

The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as :

  1. Transition zone
  2. Restoration zone
  3. Buffer zone
  4. Core zone
Ques. 7NEET 2016 (Phase 1)

Which is the National Aquatic Animal of India ?

  1. River dolphin
  2. Sea-horse
  3. Gangetic shark
  4. Blue whale
Ques. 8NEET 2016 (Phase 1)

Which of the following is the most important cause of animals and plants being driven to extinction ?

  1. Co-extinctions
  2. Over-exploitation
  3. Alien species invasion
  4. Habitat loss and fragmentation
Ques. 9NEET 2016 (Phase 2)

How many hot spots of biodiversity in the world have been identified till date by Norman Myers ?

  1. 34
  2. 17
  3. 43
  4. 25
Ques. 10NEET 2016 (Phase 2)

Which of the following is correctly matched ?

  1. Stratification-Population
  2. Parthenium hysterophorus-Threat to biodiversity
  3. Aerenchyma- Opuntia
  4. Age pyramid-Biome
Ques. 11NEET 2016 (Phase 2)

Red List contains data or information on

  1. threatened species
  2. marine vertebrates only
  3. all economically important plants
  4. plants whose products are in international trade

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