Q.16 The active chemical drug reserpine is obtained form

1. Datura

2. Rauwolfia

3. Atropa

4. Papaver

Q.17 Which of the following group exhibit more species diversity?

1. Gymnosperms

2. Algae

3. Bryophytes

4. Fungi

Q.18 Which of the below-mentioned regions exhibit less seasonal variations?

1. Tropics

2. Temperates

3. Alpines

4. Both (a) and (b)

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

Q.20 What is common to the techniques

(i) in vitro fertilization

(ii) cryopreservation

(iii) tissue culture?

1. All are in situ conservation methods.

2. All are ex-situ conservation methods

3. All require ultra-modern equipment and large space.

4. All are methods of conservation of extinct organisms.

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

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

1. Mangroves

2. Desert

3. Coral reefs

4. Alpine meadows

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.

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

Q.11 What is common to Lantana, Eichhornia, and African catfish?