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
The term 'alpha diversity' refers to
genetic diversity
community and ecosystem diversity
species diversity
diversity among the plants
B.
community and ecosystem diversity
Alpha diversity (-diversity) is the biodiversity within a particular area, community or ecosystem and is usually expressed as the species richness of the area. This can be measured by counting the number of taxa (distinct group of organisms) within the ecosystem (eg, families, genera, species).
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