Chapter Exam

Chapter-11 Nature's Treasures — Online MCQ Test

Q: Which of the following is a renewable natural resource?

Answer: C. Forests — Forests are renewable resources as trees can be replanted and regrow, unlike non-renewable resources like coal and petroleum that take millions of years to form.

Q: What happens when forests are cleared without replanting?

Answer: B. It leads to deforestation and habitat loss — Clearing forests without replanting causes deforestation, leading to loss of animal habitats, reduced oxygen production, and soil erosion.

SCIENCE (CURIOSITY) · CLASS 6th · Karnataka State Board

Practice Chapter-11 Nature's Treasures with a free chapter-wise online MCQ test for Karnataka State Board CLASS 6th SCIENCE (CURIOSITY). This chapter covers: natural resources - conservation - environment. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-11 Nature's Treasures — Important Questions & Answers (FAQ)

Frequently asked questions from Karnataka State Board CLASS 6th SCIENCE (CURIOSITY) — Chapter-11 Nature's Treasures, with answers and explanations. These are sample questions; the exam has its own separate question set.

What are natural resources?

A. Materials and energy sources found in nature that are useful to humans ✓
B. Only metals and minerals extracted from Earth
C. Artificial products made in factories
D. Resources created by human beings

Answer: A. Materials and energy sources found in nature that are useful to humans
Natural resources include all materials and energy sources found in nature that humans use, such as water, soil, forests, minerals, and fossil fuels.

Which of the following is a renewable natural resource?

A. Coal
B. Petroleum
C. Forests ✓
D. Natural gas

Answer: C. Forests
Forests are renewable resources as trees can be replanted and regrow, unlike non-renewable resources like coal and petroleum that take millions of years to form.

What happens when forests are cleared without replanting?

A. It increases oxygen production
B. It leads to deforestation and habitat loss ✓
C. It improves air quality
D. It increases biodiversity

Answer: B. It leads to deforestation and habitat loss
Clearing forests without replanting causes deforestation, leading to loss of animal habitats, reduced oxygen production, and soil erosion.

Compare renewable and non-renewable resources. Which statement is INCORRECT?

A. Renewable resources can be replenished naturally; non-renewable ones cannot
B. Non-renewable resources like coal take millions of years to form
C. Both renewable and non-renewable resources are equally abundant on Earth ✓
D. Renewable resources include forests and solar energy

Answer: C. Both renewable and non-renewable resources are equally abundant on Earth
Non-renewable resources like fossil fuels are limited and much less abundant than renewable resources. Treating them as equally abundant is incorrect.

In comparing the long-term impacts, which statement about resource management is PARADOXICALLY true?

A. Aggressive extraction today ensures more resources tomorrow
B. Stricter conservation today may cost economically short-term but provides greater economic and environmental security long-term ✓
C. Resources need not be managed because they are infinite
D. Conservation prevents any economic development

Answer: B. Stricter conservation today may cost economically short-term but provides greater economic and environmental security long-term
While conservation requires initial investment and may limit short-term gains, it prevents resource collapse and ecosystem degradation, ensuring sustained prosperity and survival.