Write the salient features of phylum Nemathelminthes.

B-DNA is the most common DNA. Write the salient features of this DNA.

Write unique features of phylum mollusca.

What are mollusc? Give the salient features of mollusics.

The shapes of the molecules is based on the VSEPR theory. Give the salient features of this theory.

Molecular orbitals are formed by the linear combination of atomic orbitals (LCAO). Give the salient features of the molecular orbital theory.

Molecular orbitals are formed by the linear combination of atomic orbitals (LCAO). Give the salient features of the molecular orbital theory.

Write the general characters of phylum Annelida.

The shapes of the molecules is based on the VSEPR theory. Give the salient features of this theory

Transfer of pollen grains from the anther to the stigma of a flower is called pollination. Grass plants generally have small , inconspicuous flowers while plants belonging to many angiosperm bear conspicuous coloured flowers. What are the salient features present in these two groups for effective pollination?