Briefly answer the following questions:

i. State two reasons for the increase of population in India.

Briefly answer the following questions:

ii. What is the significance of amniotic fluid?

Briefly answer the following questions:

iii. What is the function of ear ossicles?

Briefly answer the following questions:

iv. Mention any two activities of the WHO

Briefly answer the following questions:

v. Mendel's Law of dominance

Differentiate between the following pairs on the basis of what is mentioned
within brackets:

i. Diffusion and Osmosis (Definition)

Differentiate between the following pairs on the basis of what is mentioned
within brackets:

ii. RBC and WBC (Shape)

Differentiate between the following pairs on the basis of what is mentioned
within brackets:

iii. Tubectomy and Vasectomy (Part cut and tied)

Differentiate between the following pairs on the basis of what is mentioned
within brackets:

iv. Vasopressin and Insulin (Deficiency disorder)

70.

Differentiate between the following pairs on the basis of what is mentioned
within brackets:

v. Rods and Cones of Retina (Type of pigment)