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.14 Among the ecosystem mentioned below, where can one find maximum biodiversity?

1. Mangroves

2. Desert

3. Coral reefs

4. Alpine meadows

Subtopic:  Biodiversity Patterns |
 52%
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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Q.16 The active chemical drug reserpine is obtained form

1. Datura

2. Rauwolfia

3. Atropa

4. Papaver

Subtopic:  Introduction & Types |
 95%
From NCERT
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Q.17 Which of the following group exhibit more species diversity?

1. Gymnosperms

2. Algae

3. Bryophytes

4. Fungi

Subtopic:  Magnitude of Biodiversity |
 87%
From NCERT
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Q.18 Which of the below-mentioned regions exhibit less seasonal variations?

1. Tropics

2. Temperates

3. Alpines

4. Both (a) and (b)

Subtopic:  Biodiversity Patterns |
 71%
From NCERT
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The historic convention on biological diversity held in Rio de Janeiro in 1992 is known as

1. CITES Convention

2. The Earth Summit

3. G-16 Summit

4. MAB Programme

Subtopic:  Ex Situ Conservation of Biodiversity |
 97%
From NCERT
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