PYQSide ExamsMy practice

Biodiversity and Conservation · Question 31

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

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)

NEET (UG) 2019

Keep practising — Biodiversity and Conservation

2

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
NEET (UG) 2019
3

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

  1. wildlife safari parks
  2. sacred groves
  3. botanical gardens
  4. seed banks
NEET 2018
4

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
NEET 2017
5

Alexander von Humboldt described for the first time :

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

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
NEET 2017
7

Which is the National Aquatic Animal of India ?

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

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
NEET 2016 (Phase 1)
9

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
NEET 2016 (Phase 2)
10

Which of the following is correctly matched ?

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

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
NEET 2016 (Phase 2)

All Biodiversity and Conservation PYQs →

PDFDownload Biodiversity and Conservation PYQs as PDF Free, with answer key and a QR code to every solution — print it or study offline⬇
All NEET Botany chapters