Why are the major carps considered best culturable fishes ?

Why are the forest considered to be an important natural resource?

What are the advantages of composite fish culture ?

These questions consist of two statements each, printed as Assertion and Reason. While answerng this questions are required to choose any one of the following four responses: If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. If Assertion is true but Reason is false. If Assertion is false but Reason is true. Assertion:Cat fishes are best culturable fishes. Reason:Cat fishes survive even at high temperature and low oxygen.

Why charcoal is considered better fuel than wood?

Why is cambium considered to be lateral meristem?

Why are cyanobacteria considered useful in paddy fields?