Class 6 Science Chapter 2 Diversity in Living World MCQ Questions with Answers
1. Which of the following best describes a shrub?
D) A plant with a hard, brown woody stem that starts branching very close to the ground.
2. If a plant has leaves with parallel venation, what kind of roots and seeds is it most likely to have?
B) Fibrous roots and monocot seeds.
3. How do the camels found in the cold desert of Ladakh adapt to their environment compared to camels in hot deserts?
C) They have two humps, shorter legs, and long hair.
4. Why do deodar trees in mountainous regions have a conical shape and sloping branches?
B) To allow snow to slide off easily.
5. Who is known as the ‘Birdman of India’ for his extensive work travelling across India to document and preserve bird habitats?
B) Salim Ali
6. What are "sacred groves"?
C) Undisturbed patches of forests containing medicinal plants that are protected by local communities.
7. Which of the following is an example of a dicotyledon (dicot) seed?
B) Chickpea
8. Which government initiative was started in 1973 to protect a specific declining animal population due to habitat loss?
C) Project Tiger
9. A tomato plant is relatively short and has a soft, green, and tender stem. Based on these features, which group does it belong to?
C) Herb
10. A mango tree has a hard, thick, and brown woody stem where the branches arise higher up, away from the ground. How is it classified?
C) Tree
11. Which of the following plants has a taproot system, consisting of one main root and smaller side roots?
D) Mustard
12. If you observe the leaves of a common grass plant, what kind of venation pattern will you find?
B) Parallel venation
13. A maize seed has a single thin cotyledon. What type of plant is maize?
B) Monocotyledon
14. What do we call the individual parts of a chickpea seed when its seed coat is removed and it splits into two?
B) Cotyledons
15. If a plant is a dicotyledon (dicot), what combination of root type and leaf venation will it typically possess?
C) Taproot system and reticulate venation
16. Forests, deserts, grasslands, and mountains are all examples of what kind of habitat?
B) Terrestrial habitat
17. Ponds, lakes, rivers, and oceans represent which type of habitat?
A) Aquatic habitat
18. Animals like frogs that can survive both in water and on land are known as:
C) Amphibians
19. Which adaptation helps camels survive in the hot desert with very little water?
C) They excrete small amounts of urine, their dung is dry, and they do not sweat.
20. Desert plants, such as cacti, have thick and fleshy stems. What is the primary purpose of this adaptation?
C) To store water
21. What special body features help fish to move easily and survive in aquatic habitats?
A) Streamlined bodies and fins
22. A duck has a special adaptation in its feet to help it perform activities in its aquatic habitat. What is this adaptation?
C) Webbed feet
23. The 'Save Silent Valley' movement was a 10-year successful battle against a hydroelectric dam to preserve an evergreen forest in which state?
C) Kerala
24. Which renowned Indian botanist played a key role in the 'Save Silent Valley' movement and documented India's plant biodiversity?
B) Janaki Ammal
25. To restore a specific animal population that declined due to habitat loss, the Indian government initiated the 'Cheetah Reintroduction Project' in which year?
D) 2022
26. Who wrote a landmark series of 10 books on birds of the Indian Subcontinent and helped conserve the Keoladeo National Park in Bharatpur?
A) Salim Ali
27. A sadabahar (periwinkle) plant has a taproot. Based on the typical relationship between roots and leaves, what kind of venation does it generally have?
B) Reticulate venation
28. Some plants have weak stems and need support to climb and grow. What are these plants called?
C) Climbers
29. Why do rhododendrons found in the Shola forests of the Nilgiris have a shorter height and smaller leaves compared to those in Sikkim?
B) To survive through the heavy winds on mountain tops
30. Which of the following plants has leaves with parallel venation and a fibrous root system?
D) Lemongrass
31. Plants that have weak stems and creep along the ground instead of climbing are called:
C) Creepers
32. When the seed coat of a chickpea is removed, it splits into two parts. What are these individual parts called?
B) Cotyledons
33. In which Indian states have the habitats of the Great Indian Bustard been declared as protected areas?
C) Gujarat, Rajasthan, and Maharashtra
34. What is the collective term for the special features that enable plants and animals to survive in their specific surroundings?
B) Adaptations
35. Which national park in Bharatpur, Rajasthan, was preserved through the efforts of Salim Ali?
B) Keoladeo National Park
36. A seed that consists of a single thin cotyledon, such as maize, belongs to which plant group?
B) Monocotyledons (monocots)
37. What type of root system does a common grass plant have?
B) Fibrous roots
38. A neem plant is characterized by:
C) A hard, thick stem and leaves with a smooth surface.
39. Forests, deserts, grasslands, and mountains are all examples of which type of habitat?
B) Terrestrial habitats
40. The 10-year battle against a proposed hydroelectric dam across the Kunthipuzha river was the focus of which environmental movement?
C) Save Silent Valley Movement
41. Why do camels found in the cold deserts of Ladakh grow long hair from their head to their neck?
C) To help them survive the cold winters.
42. What happens to the humps of a cold desert camel during late winter?
B) They shrink because the camel uses the stored food due to scarcity.
43. Which plant is given as an example of having parallel venation in its leaves and a fibrous root system?
D) Lemongrass
44. What type of leaf venation pattern features a net-like arrangement of thin lines on both sides of a thick middle vein?
A) Reticulate venation
45. Which of the following insects is noted in the chapter for moving by both walking and flying using its legs and wings?
B) Housefly
46. Which description best defines a "taproot"?
B) One main root with small side roots arising from it.
47. Why does the biodiversity of different regions vary so significantly?
C) Because of the distinct environmental conditions in each region.
48. How do rhododendrons found in Sikkim visually differ from those found in the Shola forests of the Nilgiris?
C) They are taller.
49. Which of the following is an example of an aquatic habitat?
D) Pond
50. What is a defining characteristic of a shrub's stem?
B) It is brown, woody, and branches very close to the ground.
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