Class 5 Exam  >  Class 5 Notes  >  Science Class 5  >  Worksheet: Our Environment - 1

Our Environment - 1 Class 6 Worksheet Science

Q1: Multiple Choice Questions (MCQs).

(i) An ecosystem is made up of:
(a) Living organisms only
(b) Non-living things only
(c) Both living organisms and non-living things
(d) None of the above
Our Environment - 1 Class 6 Worksheet Science

(ii) Which of the following is a biotic component of the environment?
(a) Soil
(b) Water
(c) Air
(d) Plants

(iii) Which of the following is an abiotic component of the environment?
(a) Animals
(b) Sunlight
(c) Bacteria
(d) Fungi

(iv) The process by which green plants make their food is called:
(a) Respiration
(b) Photosynthesis
(c) Transpiration
(d) Decomposition
Our Environment - 1 Class 6 Worksheet Science

(v) Which of the following is not a natural resource?
(a) Water
(b) Soil
(c) Plastic
(d) Air

Q2: Fill in the blanks.

(i) The _____ is made up of living and non-living things.

(ii) _____ are natural resources that can be used again and again.

(iii) The _____ is the layer of the atmosphere closest to the Earth's surface.

(iv) The process of converting waste materials into new products is called _____.
Our Environment - 1 Class 6 Worksheet Science

(v) Plants release _____ into the atmosphere during the process of photosynthesis.

Q3: True or False.

(i) The environment consists only of living things.

(ii) Renewable resources can never be used up completely.

(iii) The ozone layer is found in the stratosphere.
Our Environment - 1 Class 6 Worksheet Science

(iv) Burning fossil fuels does not contribute to air pollution.

(v) Cutting down trees helps in maintaining the balance of the ecosystem.

Q4: Match the column.

Our Environment - 1 Class 6 Worksheet Science

Q5: Short Answer Questions.

(i) What is an ecosystem?

(ii) Give an example of a biotic component and an abiotic component of the environment.

(iii) What is the role of decomposers in the environment?
Our Environment - 1 Class 6 Worksheet Science

(iv) Why is it important to conserve natural resources?

(v) What is the difference between renewable and non-renewable resources?


You can find Worksheets Solutions here: Worksheet Solutions: Our Environment - 1 

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