MCQ
Biogeochemical cycle of which element has atmospheric phase?
- ACarbon
- BSodium
- CPhosphorus
- DMagnesium
Explanation:
The carbon cycle involves the exchange of carbon among the biosphere, pedosphere, geosphere, hydrosphere and atmosphere of the Earth.

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$i.$ In transcription, adenosine pairs with uracil.
$ii.$ Regulation of lac operon by repressor is referred to as positive regulation.
$iii.$ The human genome has approximately $50,000\; genes.$
$iv. $ Haemophilia is a sex-linked recessive disease.
If mortality is represented by $-D$
If immigration is represented by $-I$
If emigration is represented by $-E$
If population density is represented by $-N$
Then population density at time $t+1$ is represented by