"Large scale cultivation of spirullina is highly advantageous for human population."Explain giving two reasons.

Explain Gives two compounds.

Explain giving two examples Contact forces .

Define population explosion and explain the factors affecting human population

Give reason Nucleotide ratio in RNA is highly variable.

A crane had DDT level as 5 ppm in its body. What would happen population of such birds ? Explain giving reasons

Why should Biodiversity be conserved ? Explain giving three reasons.

In pea plants, the colour of the flower is either violet of white whereas human skin colour shows many gradations. Explain giving reasons how it is possible.

It is established that RNA is the first genetic material. Explain giving three reasons.

Explain the genetic basis of blood grouping in human populations.

Human insulin when synthesised in the body needs to be processed before it can act. Explain giving reasons.