State the contribution of each of the following scientists :

Hansen 

State the contribution of each of the following scientists :

T.R. Malthus.

Give the exact location and function of the following :

Passage cells

Give the exact location and function of the following :

Grana

Give the exact location and function of the following :

Epiglottis

Give the exact location and function of the following :

Parotid gland

Give the exact location and function of the following :

Embryo sac.

Answer the following :

Mention the site of formation of glyoxylate from glycolate in photorespiration.

Answer the following :

Which protein binds Ca²⁺ that is released from the sarcoplasmic reticulum?

20.

Answer the following : 

What is Apical Dominance ?