Which of the following is not a cause for the loss of biodiversity?

1. Destruction of habitat
2. Invasion by alien species
3. Keeping animals in zoological parks
4. Over-exploitation of natural resources
Subtopic:  Loss of Biodiversity |
 94%
From NCERT
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What is common to the following plants:
Nepenthes, Psilotum, Rauwolfia, and Aconitum?

1. All are ornamental plants

2. All are phylogenetic link species

3. All are prone to overexploitation

4. All are exclusively present in the Eastern Himalayas

Subtopic:  Loss of Biodiversity |
From NCERT
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Q.9 Amongst the animal groups given below, which one has the highest
percentage of endangered species?

1. Insects

2. Mammals

3. Amphibians

4. Reptiles

Subtopic:  Loss of Biodiversity |
 72%
From NCERT
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Q.10 Which one of the following is an endangered plant species of India?

1. Rauwolfia serpentina

2. Santalum album (sandalwood)

3. Cycas beddonei

4. All of the above

Subtopic:  Loss of Biodiversity |
 73%
From NCERT
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Q.11 What is common to Lantana, Eichhornia, and African catfish?

1. All are endangered species of India
2. All are keystone species
3. All are mammals found in India
4. All the species are neither threatened nor indigenous species of India.

Subtopic:  Loss of Biodiversity |
 74%
From NCERT
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Q.12 The extinction of passenger pigeon was due to

1. Increased number of predatory birds

2. Overexploitation by humans

3. Noi-availability of the food

4. Bird flu virus inferior

Subtopic:  Loss of Biodiversity |
 93%
From NCERT
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Which of the following statements is correct?

1. Parthenium is an endemic species of our country.

2. African catfish is not a threat to indigenous catfishes.

3. Steller's sea cow is an extinct animal.

4. Lantana is popularly known as carrot grass.

Subtopic:  Loss of Biodiversity |
 78%
From NCERT
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Q.15 Which of the following forests is known as the "Lungs of the planet Earth?

1. Taiga forest

2. Tundra forest

3. Amazon rain forest

4. Rainforests of North-East India

Subtopic:  Loss of Biodiversity |
 98%
From NCERT
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Match the animals given in coloumn I with their location in coloumn II : 

 

Column I Column II
A Dodo    (i) Africa
B Quagga    (ii) Russia 
C Thylacine  (iii) Mauritius 
D Stellar's sea cow     (iv) Australia         

Choose the correct match the following 

1. A -i , B-iii, C-ii , D-iv 

2. A -iv , B-iii, C-i , D-ii

3. A -iii , B-i, C-ii , D-iv 

4. A -iii , B-i, C-iv , D-ii          

Subtopic:  Loss of Biodiversity |
 86%
From NCERT
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