Solar Energy and Its Utilisation

Q. What is living organism?

Q.

List various functions of food.

Q.

Which is the ultimate source of energy for all life on earth?

1. Animals

2. Sunlight

3. Plants

4. Water

Q.

Algae can prepare their own food by photosynthesis.

1. True

2. False

Q.

Which of the following do not have chlorophyll?

1. Algae

2. Cuscuta

3. Both A and B

4. None of these

Q.

The ultimate source of energy for all living organisms is:

1. Sun

2. Air

3. Carbon

4. Water

Q.

Question 4

Which of the things in the following list are non-living?
Plough, Mushroom, Sewing machine, Radio, Boat, Water hyacinth, Earthworm

Q.

Most producers on the earth depend on ___ for their energy requirements.

1. water

2. carbon dioxide

3. nitrogen

4. sunlight

Q.

Name two functions of producers.

Q. The process of obtaining food to meet the energy demands of the body is known as .

1. excretion
2. respiration
3. nutrition
4. circulation

Q.

What is the ultimate source of energy for the ecosystems?

Q. A sea beach can be considered as an example of a marine ecosystem.

1. True
2. False

Q.

Which of the following is a characteristic of living things?

1. Nutrition

2. All of these

3. Respiration

4. Excretion

Q.

Which of the following does not belong to the ocean ecosystem?

1. 

2. 

3. 

4. 

Q.

Which of the following is a characteristic of non-living things?

1. Respiration

2. Spontaneous movement

3. Reversible growth

4. Nutrition

Q.

Greenhouse gases resulting in global warming of environment include which of the following gases?

1. CO2
2. CH4
3. All the above
4. Nitrous oxide

Q. Upper part of sea/aquatic ecosystem contains _________.

1. Plankton
2. Nekton
3. Plankton and nekton
4. None of these

Q.

Give difference between producers and consumers.

Q.

Energy is being transferred continously in our ecosystem .What are the special features of this energy transfer

Q.

Which of the following properties distinguish living and non-living things?

1. Reproduction

2. All of the above

3. Respiration

4. Growth