12
MCQ (Single Correct Answer)
The extinction of passenger pigeon was due to
A
Increased number of predatory birds
B
Over exploitation by humans
C
Non-availability of the food
D
Bird flu virus infection
13
MCQ (Single Correct Answer)
Which of the following statements is correct?
A
Parthenium is an endemic species of our country.
B
African catfish is not a threat to indigenous catifishes.
C
Steller's sea cow is an extinct animal.
D
Lantana is popularly known as carrot grass.
14
MCQ (Single Correct Answer)
Among the ecosystem mentioned below, where can one find maximum biodiversity?
A
Mangroves
B
Desert
C
Coral reefs
D
Alpine meadows
15
MCQ (Single Correct Answer)
Which of the following forests is known as the 'Lungs of the planet Earth'?
A
Taiga forest
B
Tundra forest
C
Amazon rain forest
D
Rainforests of North-East India
16
MCQ (Single Correct Answer)
The active chemical drug reserpine is obtained form
A
Datura
B
Rauwolfia
C
Atropa
D
Papaver