81.

Assertion : Tropical rain forests are disappearing fastly from developing countries such as India.

Reason : No value is attached to these forests because these are poor in biodiversity.

• If both Assertion and Reason are true and the reason is the correct explanation of the assertion

• If both Assertion and Reason are true but the reason is not the correct explanation of the assertion

• If Assertion is true statement but Reason is false

• If both Assertion and Reason are false statements

Kaziranga wild life sanctuary is famous for

• tiger 

• musk deer

• elephant

• rhino

The famous 'Chipko Movement' was started by

• Bahuguna

• Rajeev Gandhi

• Indira Gandhi

• Salim Ali

India became a party to 'Convention on biglogical diversity' in the year

• 1994

• 1993

• 1992

• 1988

The term 'alpha diversity' refers to

• genetic diversity

• community and ecosystem diversity

• species diversity

• diversity among the plants

The intensity levels of whispering noise is

• 10-15 dB

• 20-40 dB

• 45-50 dB

• 50-55 dB

The wild-life protection act was introduced in

• 1972

• 1981

• 1986

• 1991

Which of the following species is restricted to a specific area?

• Sibling species

• Allopatric species

• Sympatric species

• Endemic species

Which one of the following is an exotic carp species?

• Barbus stigma

• Cyprinus carpio

• Labeo bata

• Cirrhinus mrigala

Which one of the following is not included under in situ conservation?

• National park

• Wild life sanctuary

• Zoological garden

• Biosphere reserve