Teachoo Quiz

Science Our Environment Class 10 MCQ and Assertion Questions

Short Quiz · Class 10 · Science · CBSE

Preparing for CBSE

Chapter 13 Class 10 - Our Environment | 5 questions | about 4 minutes

Practise Our Environment Class 10 with Teachoo's Short Quiz (Class 10 · Science · CBSE). Practise these questions in a free interactive quiz with answer feedback.

Attempt time 0:00
This question 0:00
Question 1 of 5
Advertisement
Question 1 of 5
Assertion (A): Decomposers keep the environment clean.
Reason (R): They recycle matter by breaking down the organic remains and waste products of plants and animals.
Select an option to see the answer, or skip this question.
Question 2 of 5
In the given food chain, suppose the amount of energy at fourth trophic level is 5 kJ , what will be the energy available at the producer level?
Grass → Grasshopper → Frog → Snake → Hawk
Select an option to see the answer, or skip this question.
Question 3 of 5
NCERT Exemplar
Select the mismatched pair in the following and correct it.
Select an option to see the answer, or skip this question.
Question 4 of 5
Assertion (A): CFCs deplete the ozone layer.
Reason (R): CFCs are used as refrigerants and in fire extinguishers.
Select an option to see the answer, or skip this question.
Question 5 of 5
Assertion: Greater number of individuals are present in lower trophic levels.
Reason: The flow of energy is unidirectional.
Select an option to see the answer, or skip this question.

Frequently asked questions

Who is this Our Environment Class 10 quiz for?

This Short Quiz covers Our Environment Class 10 for Class 10 · Science · CBSE. Practise the questions in the interactive quiz and check your answers.

Is this quiz free?

Yes. This online quiz is free to attempt. Teachoo Black is not required to take the quiz.

How many questions will I get?

The current selection contains 5 questions. The questions and count can vary with the available question bank and grouped questions.

Can I check my answers and score?

Yes. In quiz mode, check your answer to receive feedback. Submit the quiz to review your score and answers. Full Teachoo solution links are shown where available.

Will I get the same questions when I retry?

Questions can change between attempts. Teachoo uses your previous practice when available to prioritise new questions and revision; a completely new set is not guaranteed.

Practice · Our Environment Class 10

Stuck? Keep your progress moving.