BIOLOGY 3 Marks Question

Define decomposition. Write the difference between grazing food chain and detritus food chain. Make a pyramid of biomass.

What is productivity. What do you mean by net Primary productivity. Differentiate between primary productivity and secondary productivity.

What is pollination. Describe pollination in vellisnavia and sea weeds in short.

What is law of Independant assortment. Explain with the help of dihybrid cross. Draw the punnet diagram of dihybrid cross.

What is law of dominance. Explain with the help of monohybrid cross. Write the utility in human of law of dominance.

Explain in detail pollen pistil Interaction.