Question

Answer in Short.
1) Define Balanced Diet. Why do we cook food?
2) In a completely dark room, if you hold up a mirror in front of you, will you see a
reflection of yourself in the mirror? Explain.
3) Why do shopkeepers keep biscuits, sweets in glass containers?



Answer the following questions
4) Name the disease caused due to deficiency of vitamin C. Give any two symptoms for
it?
5) Compare between transparent, translucent and opaque material with an example in
each case.
6) What are luminous and non-luminous objects? Draw one luminous and non-luminous
object.

Answer 1

Answer:

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