MCQ
Total energy fixed by an ecosystem is called
- APrimary production
- ✓Gross production
- CNet production
- DSecondary production
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Reason : Ancestral seed-eating stock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Islands, where they found competitor-free new habitats.
$I.$ Colostrum is recommended for the new borns because it is rich in antigens.
$II.$ Chikungunya is caused by a Gram negative bacterium.
$III.$ Tissue culture has proved useful in obtaining virus-free plants.
$I V.$ Beer is manufactured by distillation of fermented grapes.
How many of the statement(s) is/are correct?