Question

1. What is the chief source of energy ?
(a) the sun (b) the tiny cells (c) huge trees (d) our body.
2. Where do plants make their food ?
(a) in their leaves
(b) in their branches
(c) in their stems
(d) in their flowers.
3. The word in the passage similar in meaning to qualities that exist and can
be developed is :
(a) energy (b) process (c) potential (d) difference.
4. Why does a living being need energy ?
5. How do plants use sun's energy ?
6. Where do human beings get energy from? How do they utilize energy ?​

Answer 1

Answer:

1. the sun
2. in their leaves
3. potential
4. All the love living being need energy for the purpose of their living thier own life
5. plants use suns energy in the form of a process called photosynthesis
6. All the human beings get energy from food.They utilize the energy by doing various type of work

Answer 2

Answers to the given questions are as follows:-

1. The sun is the chief source of energy.

• (a) the sun is the correct option.
• Sun is the primary source of energy for the earth because, with the benefit of solar energy, all green plants(producers) produce food by the procedure of photosynthesis. In turn, animals consume plants and utilize that same chemical energy for all their activities.

2. Plants make their food in their leaves

• (a) in their leaves is the correct option
• Plants utilize their leaves to make food. The plant's leaves act like solar panels, absorbing the Sun's energy.

3. The word in the passage similar in meaning to qualities that exist and can be developed is potential.

• (c) potential is the correct option
• Potential means having or exhibiting the capability to develop into something in the future.

4. Living organisms require energy to grow and reproduce, strengthen their structures, and accept to their environments; metabolism is the set of systems that makes energy accessible for cellular processes.

5. Plants use the process of photosynthesis to convert water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant utilizes as fuel.

6. Human beings receive energy from three classes of fuel molecules that are carbohydrates, lipids, and proteins. The likely chemical energy of these molecules is adapted into other forms, such as thermal, kinetic, and different chemical forms.

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