Question

G. Very Short Answer Type Questions:
1. Why do we need food ?
2. Name a few sources of food.
3. What are autotrophs?
4. What are heterotrophs?
5. Which insect collects honey for us?
6. What are ingredients of following food items:
Cooked rice
b. Chapatti
7. Give two examples of leaves used as food by human beings.
8. Name two animals that provide us with milk
9. Name a few milk products used at your home.
10. Which animal products are used at your home?
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Answer 1

Answer:

1) Food gives us energy. Food helps us to maintain good health. Food helps us to grow. Food develops immunity against diseases.

2) Plants are the sources of food ingredients like grains, cereals, vegetables and fruits. Animals provide us with milk, meat products and eggs. Cows, goats and buffaloes are some common animals which give us milk. Milk and milk products like butter, cream, cheese and curd are used all over the world.

3) a living thing that is able to feed itself using simple chemical substances such as carbon dioxide

4) an organism deriving its nutritional requirements from complex organic substances.

5) Honey is a sweet food made by bees using nectar from flowers. The variety produced by honey bees (the genus Apis) is the one most commonly referenced, as it is the type of honey collected by beekeepers and consumed by humans.

6)a.Cooked rice has only 2 ingredients which are rice grains and water. Chapati has three ingredients which are wheat flour, oil and water.

7) The leaves of many fodder crops are also edible for humans, but are usually only eaten under famine conditions. Examples include alfalfa, clover, most grasses, including wheat and barley

8)World milk production is almost entirely derived from cattle, buffaloes, goats, sheep and camels. Other less common milk animals are yaks, horses, reindeers and donkeys.

9) Milk of various types (including whole milk, skim milk, buttermilk), yoghurt, cheese (e.g. Swiss cheese, cheddar cheese, cottage cheese), and ice cream are dairy products. Of all milk products, milk, yoghurt and cheese are the best sources of calcium

10) Beer. Guinness contains Isinglass, a chemical found in fish bladders. ...

Perfume. Some scents, especially those that smell like vanilla, list castoreum as an ingredient. ...

Plastic bags. ...

Downy. ...

Sugar. ...

Condoms. ...

Nail polish. ...

Crayons.

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Answer 2

1. We need food to grow to strong to healthy.
2. Proteins,vitamins,energy etc.
3. Organisms that are capable of preparing their own food is known as autotrophs.
4. Organisms that follow heterotrophs mode of nutrition is known as heterotrophs.
5. Bees
6. ?
7. spinach, coriander
8. goat, cow
9. curd, sweets, paneer, etc.
10. do it by own