1. Which of the following best describes a shrub?
Answer: 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?
Answer: 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?
Answer: 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?
Answer: 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?
Answer: B) Salim Ali
6. What are "sacred groves"?
Answer: 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?
Answer: B) Chickpea
8. Which government initiative was started in 1973 to protect a specific declining animal population due to habitat loss?
Answer: 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?
Answer:
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?
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11. Which of the following plants has a taproot system, consisting of one main root and smaller side roots?
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12. If you observe the leaves of a common grass plant, what kind of venation pattern will you find?
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13. A maize seed has a single thin cotyledon. What type of plant is maize?
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14. What do we call the individual parts of a chickpea seed when its seed coat is removed and it splits into two?
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15. If a plant is a dicotyledon (dicot), what combination of root type and leaf venation will it typically possess?
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16. Forests, deserts, grasslands, and mountains are all examples of what kind of habitat?
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17. Ponds, lakes, rivers, and oceans represent which type of habitat?
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18. Animals like frogs that can survive both in water and on land are known as:
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19. Which adaptation helps camels survive in the hot desert with very little water?
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20. Desert plants, such as cacti, have thick and fleshy stems. What is the primary purpose of this adaptation?
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21. What special body features help fish to move easily and survive in aquatic habitats?
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22. A duck has a special adaptation in its feet to help it perform activities in its aquatic habitat. What is this adaptation?
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23. The 'Save Silent Valley' movement was a 10-year successful battle against a hydroelectric dam to preserve an evergreen forest in which state?
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24. Which renowned Indian botanist played a key role in the 'Save Silent Valley' movement and documented India's plant biodiversity?
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25. To restore a specific animal population that declined due to habitat loss, the Indian government initiated the 'Cheetah Reintroduction Project' in which year?
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26. Who wrote a landmark series of 10 books on birds of the Indian Subcontinent and helped conserve the Keoladeo National Park in Bharatpur?
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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?
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28. Some plants have weak stems and need support to climb and grow. What are these plants called?
Answer:
29. Why do rhododendrons found in the Shola forests of the Nilgiris have a shorter height and smaller leaves compared to those in Sikkim?
Answer:
30. Which of the following plants has leaves with parallel venation and a fibrous root system?
Answer:
31. Plants that have weak stems and creep along the ground instead of climbing are called:
Answer: C) Creepers
32. When the seed coat of a chickpea is removed, it splits into two parts. What are these individual parts called?
Answer: B) Cotyledons
33. In which Indian states have the habitats of the Great Indian Bustard been declared as protected areas?
Answer: 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?
Answer: B) Adaptations
35. Which national park in Bharatpur, Rajasthan, was preserved through the efforts of Salim Ali?
Answer: B) Keoladeo National Park
36. A seed that consists of a single thin cotyledon, such as maize, belongs to which plant group?
Answer: B) Monocotyledons (monocots)
37. What type of root system does a common grass plant have?
Answer: B) Fibrous roots
38. According to the textbook's observation table, a neem plant is characterized by:
Answer: 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?
Answer: B) Terrestrial habitats
40. The 10-year battle against a proposed hydroelectric dam across the Kunthipuzha river was the focus of which environmental movement?
Answer: 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?
Answer: C) To help them survive the cold winters.
42. What happens to the humps of a cold desert camel during late winter?
Answer: 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?
Answer: 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?
Answer: 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?
Answer: B) Housefly
46. Which description best defines a "taproot"?
Answer: B) One main root with small side roots arising from it.
47. Why does the biodiversity of different regions vary so significantly?
Answer: 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?
Answer: C) They are taller.
Answer: D) Pond
50. What is a defining characteristic of a shrub's stem?
Answer: B) It is brown, woody, and branches very close to the ground.
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