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Class 10 Science Chapter Our Environment - Part 3

Class 10 Science Chapter Our Environment - Ecosystem and Its Components, Food Chains, Webs, and Energy Flow, Human Impact on the Environment. Notes, Test Series, Previous years question papers and man...

Class 10th
40 Questions
0.00 Marks
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Q1 • MCQ • 1 marks
Which of these is an omnivore?
Q3 • MCQ • 1 marks
Which level has the maximum number of organisms?
Q4 • MCQ • 1 marks
Which gas is mainly released during decomposition?
Q5 • MCQ • 1 marks
Compost is formed by:
Q6 • MCQ • 1 marks
Which waste is best suited for composting?
Q7 • MCQ • 1 marks
Which of the following is a harmful practice?
Q8 • MCQ • 1 marks
Which of the following reduces waste generation?
Q9 • MCQ • 1 marks
The first priority in waste management is:
Q10 • MCQ • 1 marks
Recycling helps:
Q11 • MCQ • 1 marks
Which waste can be recycled?
Q12 • MCQ • 1 marks
Which practice is environmentally friendly?
Q13 • MCQ • 1 marks
The best method to protect the environment is:
Q14 • MCQ • 1 marks
In the food chain Grass → Grasshopper → Frog → Snake, the frog is:
Q15 • MCQ • 1 marks
Which of the following is a tertiary consumer?
Q16 • MCQ • 1 marks
The amount of energy available at each trophic level:
Q17 • MCQ • 1 marks
Which of these is not biodegradable?
Q18 • MCQ • 1 marks
Decomposers convert dead organic matter into:
Q19 • MCQ • 1 marks
Which of the following is a natural ecosystem?
Q20 • MCQ • 1 marks
A food web consists of:
Q21 • MCQ • 1 marks
Which of the following is a top consumer?
Q22 • MCQ • 1 marks
Which process helps in nutrient cycling?
Q23 • MCQ • 1 marks
Which material takes the longest time to decompose?
Q24 • MCQ • 1 marks
Biomagnification is most dangerous for:
Q25 • MCQ • 1 marks
Which is an example of a decomposer?
Q26 • MCQ • 1 marks
Which of the following is a decomposer?
Q27 • MCQ • 1 marks
Which trophic level receives energy directly from the Sun?
Q28 • MCQ • 1 marks
The term ecosystem was proposed by:
Q29 • MCQ • 1 marks
Which one is an abiotic factor?
Q30 • MCQ • 1 marks
The second trophic level consists of:
Q31 • MCQ • 1 marks
Which is the correct sequence?
Q32 • MCQ • 1 marks
Which waste management method is best?
Q33 • MCQ • 1 marks
Ozone is a molecule made up of:
Q34 • MCQ • 1 marks
The maximum energy is present in:
Q35 • MCQ • 1 marks
Which gas damages the ozone layer?
Q36 • MCQ • 1 marks
Which one is a non-biodegradable pollutant?
Q37 • MCQ • 1 marks
Nutrient movement in ecosystems is:
Q38 • MCQ • 1 marks
Which is an artificial ecosystem?
Q39 • MCQ • 1 marks
The process of reusing old materials into new products is:
Q40 • MCQ • 1 marks
The least amount of energy is available at:
Q41 • MCQ • 1 marks
Which is an example of biological magnification?

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