This chapter introduces the amazing variety of plants and animals around us, known as biodiversity. These MCQs will help you recall key concepts like grouping of plants, types of roots and venation, and special adaptations of animals. Practice these to strengthen your understanding and prepare well for exams.

MCQ Questions for Class 6 Science Chapter 2 Diversity in the Living World
Question 1: What does the term “biodiversity” refer to in this chapter?
a) Only the number of trees in a forest
b) Variety of plants and animals in a region
c) Only rare animals in a sanctuary
d) Only flowering plants in gardens
Answer:
b) Variety of plants and animals in a region.
Question 2: What is the main purpose of grouping plants and animals?
a) To make parks beautiful
b) To feed animals easily
c) To understand and study them based on similarities and differences
d) To reduce the number of species
Answer:
c) To understand and study them based on similarities and differences.
Question 3: Which feature is not used to group plants in the chapter?
a) Stem features (hard/soft, thick/thin)
b) Leaf shape and venation
c) Flower colour and scent
d) Taste of the wood
Answer:
d) Taste of the wood.
Question 4: Plants with tall, hard, thick, woody stems and branches high above the ground are called:
a) Herbs
b) Shrubs
c) Trees
d) Creepers
Answer:
c) Trees.
Question 5: Plants with many brown woody stems branching close to the ground are known as:
a) Trees
b) Climbers
c) Shrubs
d) Herbs
Answer:
c) Shrubs.
Question 6: Small plants with soft, green stems are called:
a) Creepers
b) Herbs
c) Shrubs
d) Trees
Answer:
b) Herbs.
Question 7: The net-like pattern of veins on a leaf is called:
a) Parallel venation
b) Reticulate venation
c) Spiral venation
d) Cross venation
Answer:
b) Reticulate venation.
Question 8: Leaves of banana and grasses show which venation?
a) Reticulate
b) Parallel
c) Circular
d) Mixed
Answer:
b) Parallel.
Question 9: A root system with one main root and smaller side roots is called:
a) Fibrous root
b) Taproot
c) Aerial root
d) Adventitious root
Answer:
b) Taproot.
Question 10: A bunch of similar-sized thin roots arising from the base of the stem is called:
a) Taproot system
b) Fibrous root system
c) Mixed root system
d) Branch root system
Answer:
b) Fibrous root system.
Question 11: Generally, plants with reticulate venation have:
a) Fibrous roots
b) No roots
c) Taproots
d) Aerial roots
Answer:
c) Taproots.
Question 12: Monocot seeds usually have how many cotyledon(s)?
a) Two
b) One
c) Three
d) Many
Answer:
b) One.
Question 13: Which pair is correctly matched?
a) Chickpea — monocot, fibrous roots, parallel venation
b) Wheat — dicot, taproot, reticulate venation
c) Chickpea — dicot, taproot, reticulate venation
d) Wheat — dicot, fibrous roots, parallel venation
Answer:
c) Chickpea — dicot, taproot, reticulate venation.
Question 14: Animals that can live both on land and in water are called:
a) Aquatic animals
b) Terrestrial animals
c) Amphibians
d) Arboreal animals
Answer:
c) Amphibians.
Question 15: The special features that help organisms survive in their surroundings are called:
a) Mutations
b) Adaptations
c) Decorations
d) Variations
Answer:
b) Adaptations.
Question 16: Which adaptation helps deodar trees in snowy mountains?
a) Thick fleshy stems for water storage
b) Conical shape with sloping branches
c) Wide, flat leaves
d) No branches at all
Answer:
b) Conical shape with sloping branches.
Question 17: In hot deserts, which camel feature helps it walk on sand without sinking?
a) Short legs and narrow hooves
b) Long legs with wide hooves
c) Webbed feet
d) Wings
Answer:
b) Long legs with wide hooves.
Question 18: Camels of cold deserts commonly have:
a) One hump and very long legs
b) Two humps and comparatively shorter legs
c) No humps and very thin legs
d) Three humps and long tails
Answer:
b) Two humps and comparatively shorter legs.
Question 19: Damage to habitats of plants and animals primarily leads to:
a) Increase in rainfall
b) Loss of biodiversity
c) More fertile soil
d) Formation of new oceans
Answer:
b) Loss of biodiversity.
Question 20: Which conservation initiative was started in 1973 to protect a large cat in India?
a) Cheetah Reintroduction Project
b) Project Tiger
c) Project Elephant
d) Project Rhino
Answer:
b) Project Tiger.
Fill in the Blanks Questions for Class 6 Science Chapter 2 Diversity in the Living World
1. The variety of plants and animals found in a particular region is called ___.
Answer:
Biodiversity
2. Plants with tall, hard, woody stems are called ___.
Answer:
Trees
3. Plants with many woody stems branching close to the ground are known as ___.
Answer:
Shrubs
4. Plants with soft and green stems are called ___.
Answer:
Herbs
5. The net-like pattern of veins on a leaf is called ___ venation.
Answer:
Reticulate
6. The parallel arrangement of veins in leaves of grass and banana is called ___ venation.
Answer:
Parallel
7. A root system with one main root and smaller side roots is called the ___ system.
Answer:
Taproot
8. A bunch of thin roots arising from the base of the stem is called the ___ system.
Answer:
Fibrous root
9. Seeds with one cotyledon are called ___.
Answer:
Monocots
10. The special features that help organisms to survive in their surroundings are called ___.
Answer:
Adaptations
MCQ Questions and Answers for Class 6 Science
- MCQ on The Wonderful World of Science for Class 6
- MCQ on Mindful Eating: A Path to a Healthy Body for Class 6
- MCQ on Exploring Magnets for Class 6
- MCQ on Measurement of Length and Motion for Class 6
- MCQ on Materials Around Us for Class 6
- MCQ on Temperature and its Measurement for Class 6
- MCQ on A Journey through States of Water for Class 6
- MCQ on Methods of Separation in Everyday Life for Class 6
- MCQ on Living Creatures: Exploring their Characteristics for Class 6
- MCQ on Nature’s Treasures for Class 6
- MCQ on Beyond Earth for Class 6