Explain the various parts of a plant with the help of a diagram.

Explain the parts of a leaf with the help of a diagram.

Explain the inner structure of nucleus with the help of a diagram.

Define atomic orbital . Explain the shapes of s, p and d orbitals with the help of diagrams.

Explain the differences between thermoplastics and thermosetting plastics with the help of a diagram explaning interms of arrangements of monomers.

Explain the Hypermetropia with the help of diagram.

Describe the human sperm with the help of diagram.

Double fertilization is wonderful phenomenon in flowering plants. Explain double fertilization in flowering plant with the help of a diagram.