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 structure of human lungs with the help of a 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.