Biology Test #5 – Our Environment

Chapter: NCERT Class 10 – Chapter 15 | NEET Foundation

✅ 10 MCQs | +4 Correct | –1 Incorrect | Auto Scoring + Concept Clearer

1. The green plants in a food chain are:
a) Primary consumers b) Secondary consumers c) Producers d) Tertiary consumers

2. The ozone layer protects us from:
a) X-rays b) Infrared rays c) UV rays d) Microwaves

3. Which of these causes ozone depletion?
a) CFCs b) CO₂ c) CH₄ d) NO₂

4. Which group in a food chain has highest energy?
a) Tertiary consumer b) Secondary consumer c) Primary consumer d) Producers

5. Which is not biodegradable?
a) Banana peel b) Plastic bag c) Grass d) Cow dung

6. 90% energy is lost at each trophic level as:
a) Biomagnification b) Heat c) Urine d) Excretion

7. Organism that eats both plants & animals is:
a) Producer b) Herbivore c) Omnivore d) Carnivore

8. Which of these is responsible for biomagnification?
a) DDT b) Bacteria c) Manure d) Leaves

9. Tertiary consumers feed upon:
a) Plants b) Herbivores c) Producers d) Secondary consumers

10. Which type of waste is decomposed by microorganisms?
a) Synthetic b) Biodegradable c) Electronic d) Inorganic

📊 Test Result

✅ Type "C5" to begin Chemistry Test #5: Separation of Substances 💡 Type "N" to proceed to Bio Test #6 (Final chapter of Class 10 Biology)

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