1. Define digestion.

2. Why do you refer to human teeth as:

a) Thecodont

b) Heterodont

c) Diphyodont

3. Give the dental formula of

a) Human adult

b) Human milk teeth

4. Draw a neat labeled diagram showing the anatomy of wall layers of alimentary canal. Also mention the names of different layers.

5. Name the salivary glands.

6. What are villi? Write their function.

BIOLOGY:

Prepare a P.PT on management of natural resources that include conservation of Biodiversity, fossil fuels, role of stakeholders, Ordinary people, Different movements run by the government

Role of Three R’s to save the environment

Why Human resource is the major part of the environment

CHEMISTRY:

Collect the data of Acids and Bases used in your daily life. For eg: in

kitchen, washrooms, laundry, gardening etc. of 5-6 pages.

PHYSICS: Make a working model on following topics:

Q1. Why are some patients of diabetes treated by giving injections of insulin?

Q2. Which part of the brain controlled posture and balance of the body?

Q3. What will happen if intake of iodine in our diet is low?

Q4. What is chemotropism?

Q5. Which hormone is responsible for the changes noticed in males at puberty ?.

Q6. List four common features of the respiratory organs in aquatic and terrestrial animals ?

Q7. Why is double circulation of blood necessary in human beings ?

1. Name the tissue which transports soluble products of photosynthesis in a plant.

2. Name the hormone that helps in regulating level of sugar in our blood. Name the gland that secretes.

3. Name the component of blood that helps in the formation of blood clot in the event of a cut.

4. Name the part of the brain which controls equilibrium and posture of the body?

5. Give one point which is common for both aerobic and anaerobic respiration.

6. Name the part of the human body in which the adrenal and pituitary glands are located.