10th Standard Science Chapter 15

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10th Standard Science Chapter 15 Quiz. how much you know or you don’t  know,  test here. quiz  contains only 10 questions there no time limit.

Created on By wefru

10th Standard Science Chapter 15


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Q1. Every food chain in the ecosystem begins with………. which are the original source of food.

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Q2. We should reduce the use of the plastic bags, bottles etc. because:

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Q3. Among the following choose the correct option which contains only biodegradable items?

i. Wood, paper, PVC

ii. Paper, seeds, detergent,

iii. Paper, animal excreta, wood

iv. Wool, leaves, paper

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Q4. Which among the following statements is incorrect in view of the plants?

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Q5. In a food chain the second trophic level is occupied by:

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Q8. Which of the following may be a conclusion of the excessive exposure of humans to sun’s ultraviolet rays?

i. Peptic ulcers

ii. Eye disease like cataract

iii. Damage to lungs

iv. Skin cancer

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Q9. Which among the following is a correct full form for DDT?

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Q10. If 100 J energy is available at the producer level in a food chain then the energy available to the secondary consumer will be:

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Q11. Which of the following radiations is responsible for the conversion of atmospheric oxygen to ozone?

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Q12. The substance which is chiefly responsible for the depletion of ozone layer is:

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Q13. What will happen if deer is missing in the food chain given below?

Grass → Deer → Tiger

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Q14. Which of the following substances will not be converted to compost when added in a composting pit?

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Q15. Global warming is a phenomenon related to

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