The concept of hot- spot was first introduced by
Mayer
Simpson
Myers
David
C.
Myers
A biodiversity hotspot is a biogeographic region that is both a significant reservoir of biodiversity and is threatened with destruction. It specifically refers to 25 biologically rich areas around the world that have lost at least 70 percent of their original habitat. The concept of hot-spot was first introduced by Norman Myers in 1989, India has two biodiversity hotspots Eastern Ghats and Western Himalayas.
'Kyoto Protocol' is a multination international treaty for
phasing out green house gases
controlling ozone destroying substances
management of hazardous wastes
conservation of biodiversity
With the rise of water temperature, dissolved oxygen
remains unchanged
increases in amount
decreases in amount
is more available to the aquatic organisms
Genes which are located only in the X-chromosome are known as
epistasis genes
holandric genes
operator genes
antiepistasis genes
Emasculation ensures cross-pollination in
staminate flower
bisexual flower
neuter flower
pistillate flower
Insect pest resistant Bt cotton plant was developed using
somaclonal variation
micropropagation
somatic hybridisation
Transgenic technology
Industrial melanism is an
effect of industrial pollution
effect of mutation
evidence of survival of fittest
evidence of favour of natural selection
