Give a reason as to why the food culture in different regions of our country is different.

2

(a)

What do we eat? List some common food items, their ingredients and sources.

2

(a)

What are sprouted seeds? How are they eaten?

2

(a)

Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.

2

(a)

Explain the process of making yarn from fibre.

2

(a)

How are synthetic fibres more advantageous and economical than natural fibres?

2

(a)

Iron, steel, copper, aluminium are conductors of heat but wood, rubber, plastic, cotton piece are non-conductors. Explain.

2

(a)

What is sieving? Where is it used?

2

(a)

Describe the process of sieving. Write one of its uses.

2

(a)

Melting of wax can be reversed whereas burning of wax cannot be reversed. Explain.

2

(a)

Will a leaf taken from a potted plant kept in a dark room for a few days turn blue black when tested for starch? 'Give reasons for your answer.

2

(a)

Earthworms are known as farmer's friends. Why?

2

(a)

Why is It that we are able to move a few parts of our body easily in various directions and some only in one direction?

2

(a)

Aquatic plants undergo some modifications to adapt to this habitat. List any two of those.

2

(a)

Describe three rules to measure length.

2

(a)

Show an experiment which proves that light always travels in a straight line.

2

(a)

Explain why the bulb would not glow in the arrangement shown in the figure.

2

(a)

What is a battery? Explain it with a figure.

2

(a)

How can you say that both animals and plants are dependent on each other for their survival?

2

(a)

Give some advantage of waste recycling.

2

(a)