Our Environment Mock Tests

20 questions available

Our Environment Mock Test 1

Questions: 20

Sample Questions

Class 10 Science

In a food chain, the second trophic level is always occupied by:

A Herbivores

B Carnivores

C Producers

D Decomposers

Class 10 Science

Which of the following is an example of abiotic component of an ecosystem?

A Trees

B Fungi

C Temperature

D Bacteria

Class 10 Science

In an ecosystem, energy flow is:

A Multidirectional

B Unidirectional

C Bidirectional

D Circular

Class 10 Science

In a food chain consisting of grass, grasshopper, frog, and snake, if the energy available to grasshopper is 1000 J, the energy available to the snake according to the 10% law is:

A 10 J

B 100 J

C 0.1 J

D 1 J

Class 10 Science

Which of the following is a non-renewable source of energy?

A Wind

B Solar

C Nuclear fuel (uranium)

D Biomass

Class 10 Science

Which of the following is a biodegradable waste?

A Glass bottles

B Polythene bags

C Vegetable peels

D Aluminium cans

Class 10 Science

Which of the following processes contributes most to the biodegradable waste produced in a household?

A Plastic bags and packaging

B Food scraps and garden waste

C Glass bottles and metal cans

D Electronics and batteries

Class 10 Science

Which of the following statements about ozone is correct?

A Ozone is found mainly in the troposphere (lower atmosphere)

B Ozone absorbs ultraviolet radiation emitted by the sun

C Ozone is highly toxic and has no role in the atmosphere

D Ozone depletion is caused mainly by carbon dioxide

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