• Mayur Vihar 3 Delhi, 110096 India

Back to Test Series

Class 10 Science Chapter Our Environment - Part 4

Class 10 Science Chapter Our Environment - Notes, Test Series, Previous years question papers and many more

Class 10th
40 Questions
0.00 Marks
Pass: 0.00

Questions (Preview) 39 locked

Showing 1 of 40 questions
Preview
Q1 • MCQ • 1 marks
The role of decomposers is to:
Q3 • MCQ • 1 marks
Which of the following is a terrestrial ecosystem?
Q4 • MCQ • 1 marks
Which is an aquatic ecosystem?
Q5 • MCQ • 1 marks
A food chain shows:
Q6 • MCQ • 1 marks
Which is the correct grazing food chain?
Q7 • MCQ • 1 marks
Which organism acts as a scavenger?
Q8 • MCQ • 1 marks
Which of the following is not a decomposer?
Q9 • MCQ • 1 marks
The energy available at each trophic level:
Q10 • MCQ • 1 marks
The second trophic level contains:
Q11 • MCQ • 1 marks
Green plants convert solar energy into:
Q12 • MCQ • 1 marks
Which substance is biodegradable?
Q13 • MCQ • 1 marks
Which of these takes the longest time to decompose?
Q14 • MCQ • 1 marks
Which gas is absorbed by plants during photosynthesis?
Q15 • MCQ • 1 marks
The transfer of energy from producers to consumers is:
Q16 • MCQ • 1 marks
Which group contains only consumers?
Q17 • MCQ • 1 marks
Which organism is a tertiary consumer?
Q18 • MCQ • 1 marks
Food chains are generally limited to:
Q19 • MCQ • 1 marks
The main function of decomposers is:
Q20 • MCQ • 1 marks
Which of the following is a detritivore?
Q21 • MCQ • 1 marks
The term ecosystem was coined by:
Q22 • MCQ • 1 marks
Which is a non-biodegradable pollutant?
Q23 • MCQ • 1 marks
Which is a primary consumer?
Q24 • MCQ • 1 marks
Fish occupy which trophic level?
Q25 • MCQ • 1 marks
Which process recycles nutrients?
Q26 • MCQ • 1 marks
Which environmental practice directly supports sustainable development?
Q27 • MCQ • 1 marks
Which type of waste remains in the environment for the longest time?
Q28 • MCQ • 1 marks
The ultimate source of energy is:
Q29 • MCQ • 1 marks
The food chain in the pond begins with:
Q30 • MCQ • 1 marks
If bacteria disappear, then:
Q31 • MCQ • 1 marks
Which concept is shown by this ecosystem?
Q32 • MCQ • 1 marks
Ozone is a molecule made of:
Q33 • MCQ • 1 marks
Ozone layer is present in:
Q34 • MCQ • 1 marks
Which chemical damages the ozone layer?
Q35 • MCQ • 1 marks
Full form of CFC:
Q36 • MCQ • 1 marks
Which statement best summarizes the concept of Our Environment?
Q37 • MCQ • 1 marks
Excess UV radiation can cause:
Q38 • MCQ • 1 marks
Which gas forms ozone?
Q39 • MCQ • 1 marks
The 3Rs stand for:
Q40 • MCQ • 1 marks
Which practice is best for sustainable development?
Q41 • MCQ • 1 marks
Which of the following is an example of biodegradable waste?

Unlock All Questions

Get complete access to all 40 questions with solutions

  • All 40 questions
  • Detailed solutions
  • Performance analytics
  • Lifetime access

Start practicing

Preview Mode: Only 1 question is visible. Purchase to unlock all 40 questions.

Preview Mode
Showing only 1 of 40 questions

39 more questions locked

Login / Register
Go Back Top