The species diversity of plants (22%) is much less than that of animals (72%), what could be the explanation to how animals achieved greater diversification?
[A] Animal are non-motile.
[B] Their movement to diverse habitats resulted in more evolutionary changes occurring in animals.
[C] Animals use carbohydrate and lipid as a source of energy
[D] Animal DNA is different from plant DNA in terms of type of nitrogen bases.
Which extinction is presently in progress?
Which of the following require large territories?
[D] Both (a) and (c)
Presently which of the following face maximum threat of extinction?
Loss of biodiversity in a region leads to increase in variability in certain ecosystem processes like
[A] Plant productivity
[B] Water use
[C] Pest and disease cycle
[D] All of these
Gametes of threatened species can be preserved in viable and fertile condition for long periods using
[A] PCR technique
[C] Cryopreservation technique
[D] In situ conservation
At present, how many biosphere reserves does India have?
How many biodiversity hotspots are found in the world?
Hotspot is a region of
[B] Accelerated habitat loss
[C] Low level of species richness
[D] Both (a) and (b)
Following are direct benefits from biodiversity except
Following are indirect benefits from biodiversity except?
[A] Pest control
[B] Climate moderation
[C] Flood control
[D] Dyes, resins and perfumes
Which area of M.P. (Madhya Pradesh) contain sacred groves?
[D] All of these
Find the incorrect match.
[A] Pollinator — Bees, Bumblebees, Bats and Birds
[B] Legally protected biodiversity rich region – Biosphere reserve, National park, wildlife sanctuaries, sacred groves
[C] Lung of planet – Amazonian rain forest
[D] Rivet popper hypothesis – Harvard ecologist Paul Ehrlich
Stellar’s Sea cow became extinct from
Strict protection of hotspots can reduce ongoing mass extinction by