Briefly answer the following question:

Mention any two activities of the WHO.

Differentiate between the following pair on the basis of what is mentioned within bracket:

Rods and cones of Retina. (Type of pigment)

Explain the following term

ii. Turgor pressure

Differentiate between the following pair on the basis of what is mentioned within bracket:

Tubectomy and Vasectomy (part cut and tied)

Briefly answer the following question:

What is the significance of amniotic fluid?

Briefly answer the following questions:

What is the function of ear ossicles? 

Draw a neat and labelled diagram of the following:

A myelinated neuron. 

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

Vasopressin and insulin (deficiency disorder)

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

i. Diffusion and osmosis (Definition)

Choose the correct answer from the four options given below:

An example of non-biodegradable waste is :

• Vegetable peels

• Sewage

• Livestock waste

• Livestock waste