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Diversity in the Living World Class 6 Notes

Diversity in the Living World Class 6 Worksheet

This Diversity in the Living World Class 6 Worksheet is designed to provide complete practice for Chapter 2. It covers biodiversity, habitats, aquatic and terrestrial organisms, classification, adaptations, and conservation. Every question is strictly based on NCERT concepts and is written in student-friendly language.

Section A: Multiple Choice Questions (20 Questions)

1. What is biodiversity?

A. The study of stars
B. The variety of living organisms found on Earth
C. The movement of water
D. The measurement of temperature

2. Which of the following is a living organism?

A. Stone
B. Chair
C. Butterfly
D. Pencil

3. The natural home of an organism is called its:

A. Nest
B. Habitat
C. Shelter
D. Burrow

4. Which of the following is an aquatic habitat?

A. Desert
B. Mountain
C. Pond
D. Grassland

5. Which habitat receives very little rainfall?

A. Forest
B. Desert
C. River
D. Pond

6. Which scientist is known as the father of classification?

A. Isaac Newton
B. Carl Linnaeus
C. Galileo Galilei
D. Thomas Edison

7. Which of the following is a terrestrial habitat?

A. Ocean
B. River
C. Forest
D. Lake

8. Classification is the process of:

A. Mixing substances
B. Grouping organisms based on similarities and differences
C. Measuring temperature
D. Growing plants

9. Which plant is specially adapted to desert conditions?

A. Lotus
B. Rose
C. Cactus
D. Fern

10. Fish are adapted to live in:

A. Air
B. Water
C. Soil
D. Trees

11. Which of the following is non-living?

A. Mushroom
B. Grass
C. Rock
D. Bird

12. Which of the following is an amphibian?

A. Camel
B. Frog
C. Eagle
D. Shark

13. Which habitat has the greatest biodiversity?

A. Forest
B. Desert
C. Glacier
D. Cave

14. Lotus is an example of a:

A. Desert plant
B. Mountain plant
C. Aquatic plant
D. Parasitic plant

15. Which mountain animal has thick fur to keep warm?

A. Camel
B. Yak
C. Fish
D. Frog

16. Organisms living on land are found in:

A. Aquatic habitats
B. Terrestrial habitats
C. Underground habitats only
D. Atmospheric habitats

17. Biodiversity helps to:

A. Maintain ecological balance
B. Provide food and medicines
C. Support ecosystems
D. All of these

18. Which feature helps fish swim easily?

A. Wings
B. Streamlined body
C. Thick fur
D. Spines

19. Which part of cactus reduces water loss?

A. Large leaves
B. Spines
C. Flowers
D. Fruits

20. Conservation of biodiversity means:

A. Destroying habitats
B. Protecting living organisms and their habitats
C. Cutting forests
D. Hunting animals

Section B: True or False (10 Questions)

  1. Biodiversity means the variety of living organisms.
  2. A habitat provides food, water, and shelter.
  3. Deserts receive heavy rainfall.
  4. Fish have gills to breathe in water.
  5. Classification groups organisms based on similarities.
  6. Cactus has broad leaves to reduce water loss.
  7. Forests support a large number of species.
  8. Frogs can live both on land and in water.
  9. Lotus is an aquatic plant.
  10. Biodiversity has no role in maintaining ecological balance.

Section C: Fill in the Blanks (10 Questions)

  1. The variety of living organisms is called __________.
  2. The natural home of an organism is its __________.
  3. Organisms living in water are found in __________ habitats.
  4. Organisms living on land are found in __________ habitats.
  5. A desert plant is the __________.
  6. Fish breathe through __________.
  7. The science of grouping organisms is called __________.
  8. Lotus is an example of an __________ plant.
  9. Yak is adapted to __________ habitats.
  10. Biodiversity helps maintain ecological __________.

Section D: Give Reasons (10 Questions)

  1. Give reason: Biodiversity is important for the stability of ecosystems.
  2. Give reason: Fish have streamlined bodies.
  3. Give reason: Cactus has spines instead of leaves.
  4. Give reason: Classification is useful in biology.
  5. Give reason: Forests have high biodiversity.
  6. Give reason: Every organism needs a suitable habitat.
  7. Give reason: Frogs are called amphibians.
  8. Give reason: Lotus is suited to aquatic habitats.
  9. Give reason: Yaks have thick fur.
  10. Give reason: Protecting biodiversity is essential.

Section E: Long Answer Questions (5 Questions)

1. What is biodiversity? Explain its importance in maintaining balance in nature.

2. What is a habitat? Describe terrestrial and aquatic habitats with suitable examples.

3. Why is classification necessary? Explain how it helps scientists study living organisms.

4. Describe the adaptations of cactus and fish that help them survive in their habitats.

5. Explain different ways in which humans can help conserve biodiversity.

Section F: HOTS (Higher Order Thinking Skills) Questions (5 Questions)

1. What might happen to Earth if biodiversity decreased drastically?

2. Why do organisms living in different habitats have different body features?

3. If a fish were placed in a desert, what difficulties would it face and why?

4. How does classification make the study of millions of organisms easier?

5. Why is biodiversity considered one of the most valuable treasures of nature?

Bonus Challenge Questions

1. Name five organisms found in your surroundings and write their habitats.

2. Observe a plant and identify features that help it survive.

3. Make a table comparing aquatic and terrestrial organisms.

Conclusion

This Diversity in the Living World Class 6 Worksheet provides complete practice for Chapter 2 and helps students master important concepts such as biodiversity, habitats, classification, and adaptation. By solving these questions, students will develop a deeper appreciation for the rich variety of life on Earth and the importance of conserving it.

Additional Resources

Recommended Book for Extra Practice

It is especially useful for students who want to go beyond the textbook and build a stronger conceptual foundation.

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Oswaal CBSE Class-6 One for All Science (Curiosity) for 2026–27 Exam | As Per Latest NCERT & CBSE Syllabus | Chapter-Wise Question Bank, Revision Notes, Theory, Diagrams & Competency-Based Questions

This is a highly recommended resource for students, parents, and teachers looking for a complete practice and revision book for Class 6 Science.

📚 इस Chapter की Best Books:

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📚 Class 10 2026-27 exam prep ki best Books

✅ Oswaal Class 10 SST — Topper's Choice
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