Read the explanations given below and name the structure:

Example: The largest gland in the human body that secretes bile.

Answer: Liver.

(a) Food conducting tissue in vascular plants.

(b) A cell formed by the fusion of gametes.

(c) The smallest blood vessels in the human body.

(d) A tubular passage that connects the pharynx and the middle ear.

(e) The openings on the barks of trees through which transpiration occurs.

Given below is a cross section of the human eye. Match the structures marked (a) to (e) with their correct functions:

Example: (f) - 6. Holds the lens in position

Name the structures through which Transpiration and Guttation occur in a plant.

How does the rate of Transpiration differ when there is :

(a) High temperature

(b) High humidity