Tissue culture technique can produce infinite number of new plants from a small parental tissue. The economic importance of the technique is in raising

Assertion : Use of fertilizers greatly enhances crop productivity.

Reason : Irrigation is very important in increasing crop productivity.

Explant is required to be disinfected before placing in culture. This is done by

Triticale is the first man-made cereal crop. Mention the type of hybridisation through which it was produced.

In an experiment freshly hatched larvae of an insect (Khapra beetle) were reared on a basal diet (complete diet without cholesterol) with increasing amounts of cholesterol. Results obtained are shown in the given graph.

The graph indicates

The term ‘aquaculture' means