Question

Checkpoint
The
1. Why is food important for living organisms?
2. What are the different sources of the food we eat?
3. Name the process used by plants to prepare the food?
4. Which factors are used in the process of photosynthesis?
5. How do animals get their food?
6. What are the sources of our food?
7. What is seed germination?
8. Which factors are essential in process of germination of seeds?
9. What is agriculture?
10. Is there sufficient amount of food available to feed entire population of world?
11. What are different ways can be used to fulfill the increasing need for food?​

Answer 1

Answer:

1. food provides the essential nutrients required for our body to function.
2. PLANTS and animals.
3. photosynthesis
4. carbon dioxide, water, light, chlorophyll
5. through producers ( PLANTS)
6. PLANTS and animals

Answer 2

Answer:

ans1. Importance of food for living organisms:

1) Helps in growth of living beings

2) Helps in repair and replacement of damaged parts of the body

3) Provides energy required for various activities

4) Provides protection from infections and diseases

5) Helps in overall growth and development of an organism

ans2.. Humans consume everything from fruits, flowers, even the stem of some plants, leaves and stem-like lettuce, celery, roots of some plants like carrots, beetroot, and seeds like wheat, rice, etc. All food comes from plants, even the animals depend on plants. Hence, we obtain food from plants directly or indirectly.

ans3. photosynthesis

ans4. The main factors affecting rate of photosynthesis are light intensity, carbon dioxide concentration and temperature.

ans5. Plants are called producers because they are able to use light energy from the sun to produce food (sugar) from carbon dioxide and water. Animals cannot make their own food so they must eat plants and/or other animals. ... Animals and people who eat both animals and plants are called omnivores.

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