Natural Vegetation and Wild Life
Q1(CBSE 2011): At which of the following places are Royal Bengal tigers found?
(a) Mahanadi delta
(b) Godawari delta
(c) Kaveri delta
(d) Sunderban delta
Q2(NCERT): To which one of the following types of vegetation does rubber belong to?
(a) Tundra
(b) Tidal
(c) Himalayan
(d) Tropical Evergreen
Q3(NCERT): Cinchona trees are found in the areas of rainfall more than
(a) 100 cm
(b) 50 cm
(c) 70 cm
(d) less than 50 cm
Q4(NCERT): In which of the following state is the Simlipal bio-reserve located?
(a) Punjab
(b) Delhi
(c) Orissa
(d) West Bengal
Q5(NCERT): Which one of the following bio-reserves of India is not included in the world network of bio reserve?
(a) Manas
(b) Dihang-Dibang
(c) Gulf of Mannar
(d) Nanda Devi
Q6: Which position India occupies at world level in plant diversity?
(a) first
(b) tenth
(c) twelfth
(d) fiftieth
Q7(CBSE 2011): Cinchona, rubber, mahogany, ebony are important trees of
(a) Mangrove forests
(b) Tropical deciduous trees
(c) Tropical rainforests
(d) Montane forests
Q8(SQP): Which one of the following types of forests are found in the Ganga-Brahmaputra Delta?
(a) Thorny forests.
(b) Montane forests.
(c) Mangrove forests.
(d) Tropical Rain forests.
Q9(CBSE 2011): How many types of plant species are found in India?
(a) About 45,000
(b) About 40,000
(c) About 47,000
(d) About 20,000
Q10: In which year Wildlife Protection Act, was implemented in India?
(a) 1969
(b) 1970
(c) 1971
(d) 1972
Q11: Which is the natural habitat of the Indian lion?
(a) Sundarban delta in Bengal
(b) Gir forest in Gujarat
(c) Thorn forest in Rajasthan
(d) Deciduous forest in Madhya Pradesh
Q12(CBSE 2012): Silver Fir is found in the following type of vegetation zone:
(a) Mangrove forests
(b) Montane forests
(c) Thorn forests
(d) Deciduous forests
Q13: How many biosphere reserves do we have in India?
(a) 14
(b) 16
(c) 18
(d) 20
Q14(CBSE 2011): Which of the following trees is used for treating blood pressure?
(a) Jamun
(b) Arjun
(c) Neem
(d) Sarpagandha
Answers:
1: (d) Sunderban delta
2: (d) Tropical Evergreen
3: (a) 100 cm
4: (c) Orissa
5: (a) Manas
6: (b) tenth
7: (c) Tropical rainforests
8: (c) Mangrove forests.
9: (c) About 47,000
10: (d) 1972
11: (b) Gir forest in Gujarat
12: (b) Montane forests
13: (a) 14
14: (d) Sarpagandha
Q15: Name the different types of vegetation identified in India.
Answer: The following major types of vegetation may be identified in India.
ⅰ Tropical Rain Forests
ⅱ Tropical Deciduous Forests
ⅲ Tropical Thorn Forests and Scrubs
ⅳ Montane Forests
ⅴ Mangrove Forests
Q16: Mention any three features of the tropical evergreen forests.
Answer:
① These forests are found in the areas of heavy rainfall, i.e., Western Ghats, the Island groups of Lakshadweep, Andaman and Nicobar, upper parts of Assam and Tamil Nadu coast.
②The trees in these forests reach great heights up to 60 metres or even above.
③ As such, these forests appear green all the year-round. It is because there is no definite time for trees to shed their leaves.
Q17: Why is natural vegetation in large part of India no more natural?
Answer: The vegetation covers of India in large parts are no more natural is a hard fact. Except for some inaccessible regions like the Himalayas, the hilly regions of central India and the desert of Rajasthan, the vegetation in most of the areas have been modified or replaced or degraded by human occupancy.
Q18: Mention any three features of the thorn forest trees.
Answer:
① Trees in these forests are scattered and have long roots penetrating deep into the soil in order to get moisture.
② To minimize evaporation, the leaves of these trees are mostly thick and small.
③ The stems of these trees are succulent (fleshy leaves adapted) to conserve water.
Q19: Define ecosystem. Are humans part of the ecosystem?
Answer: All the plants and animals in an area are interdependent and interrelated to each other in their physical environment, thus, forming an ecosystem. Yes, Human beings are also an integral part of the ecosystem.
Q20: Discuss the importance of animals to humans.
Answer: Animals are important to humans:
① The large stock of animals are milch animals called livestock. The fish provides nutritive food.
② They also provide many draught labour, transportation, meat, egg.
③ Many insects help in pollination of crops and fruit trees and exert biological control on such insects, which are harmful.
Q21: Define biome.
Answer: A very large ecosystem on land having distinct types of vegetation and animal life is called a biome. The biomes are identified on the basis of plants.
Q22: Compare and contrast between dry and moist deciduous forests.
Answer:
Q23: List the number of biomes in which the land ecosystem is divided and also the basis for the grouping.
Answer:
(1) Tropical evergreen forests.
(2) Tropical deciduous forests.
(3) Tropical thorn forests and scrubs.
(4) Montane forests.
(5) Mangrove forests.
Q24: What are the main causes of the major threat to nature?
Answer:
(1) Hunting of wild animals by greedy hunters for commercial purposes. Many animals are killed for their hides, skins and body parts.
(2) Pollution due to chemical and industrial wastes and acid deposits is life-threatening to animals. Extinction of Indian vulture is due to this. Soil pollution is also responsible for its devastation.
(3) Reckless cutting of the forests to bring land under cultivation and in-habitation. Some precious trees like sandalwood are smuggled at a large scale every year.
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Q1(CBSE 2011): At which of the following places are Royal Bengal tigers found?
(a) Mahanadi delta
(b) Godawari delta
(c) Kaveri delta
(d) Sunderban delta
Q2(NCERT): To which one of the following types of vegetation does rubber belong to?
(a) Tundra
(b) Tidal
(c) Himalayan
(d) Tropical Evergreen
Q3(NCERT): Cinchona trees are found in the areas of rainfall more than
(a) 100 cm
(b) 50 cm
(c) 70 cm
(d) less than 50 cm
Q4(NCERT): In which of the following state is the Simlipal bio-reserve located?
(a) Punjab
(b) Delhi
(c) Orissa
(d) West Bengal
Q5(NCERT): Which one of the following bio-reserves of India is not included in the world network of bio reserve?
(a) Manas
(b) Dihang-Dibang
(c) Gulf of Mannar
(d) Nanda Devi
Q6: Which position India occupies at world level in plant diversity?
(a) first
(b) tenth
(c) twelfth
(d) fiftieth
Q7(CBSE 2011): Cinchona, rubber, mahogany, ebony are important trees of
(a) Mangrove forests
(b) Tropical deciduous trees
(c) Tropical rainforests
(d) Montane forests
Q8(SQP): Which one of the following types of forests are found in the Ganga-Brahmaputra Delta?
(a) Thorny forests.
(b) Montane forests.
(c) Mangrove forests.
(d) Tropical Rain forests.
Q9(CBSE 2011): How many types of plant species are found in India?
(a) About 45,000
(b) About 40,000
(c) About 47,000
(d) About 20,000
Q10: In which year Wildlife Protection Act, was implemented in India?
(a) 1969
(b) 1970
(c) 1971
(d) 1972
Q11: Which is the natural habitat of the Indian lion?
(a) Sundarban delta in Bengal
(b) Gir forest in Gujarat
(c) Thorn forest in Rajasthan
(d) Deciduous forest in Madhya Pradesh
Q12(CBSE 2012): Silver Fir is found in the following type of vegetation zone:
(a) Mangrove forests
(b) Montane forests
(c) Thorn forests
(d) Deciduous forests
Q13: How many biosphere reserves do we have in India?
(a) 14
(b) 16
(c) 18
(d) 20
Q14(CBSE 2011): Which of the following trees is used for treating blood pressure?
(a) Jamun
(b) Arjun
(c) Neem
(d) Sarpagandha
Answers:
1: (d) Sunderban delta
2: (d) Tropical Evergreen
3: (a) 100 cm
4: (c) Orissa
5: (a) Manas
6: (b) tenth
7: (c) Tropical rainforests
8: (c) Mangrove forests.
9: (c) About 47,000
10: (d) 1972
11: (b) Gir forest in Gujarat
12: (b) Montane forests
13: (a) 14
14: (d) Sarpagandha
Q15: Name the different types of vegetation identified in India.
Answer: The following major types of vegetation may be identified in India.
ⅰ Tropical Rain Forests
ⅱ Tropical Deciduous Forests
ⅲ Tropical Thorn Forests and Scrubs
ⅳ Montane Forests
ⅴ Mangrove Forests
Q16: Mention any three features of the tropical evergreen forests.
Answer:
① These forests are found in the areas of heavy rainfall, i.e., Western Ghats, the Island groups of Lakshadweep, Andaman and Nicobar, upper parts of Assam and Tamil Nadu coast.
②The trees in these forests reach great heights up to 60 metres or even above.
③ As such, these forests appear green all the year-round. It is because there is no definite time for trees to shed their leaves.
Q17: Why is natural vegetation in large part of India no more natural?
Answer: The vegetation covers of India in large parts are no more natural is a hard fact. Except for some inaccessible regions like the Himalayas, the hilly regions of central India and the desert of Rajasthan, the vegetation in most of the areas have been modified or replaced or degraded by human occupancy.
Q18: Mention any three features of the thorn forest trees.
Answer:
① Trees in these forests are scattered and have long roots penetrating deep into the soil in order to get moisture.
② To minimize evaporation, the leaves of these trees are mostly thick and small.
③ The stems of these trees are succulent (fleshy leaves adapted) to conserve water.
Q19: Define ecosystem. Are humans part of the ecosystem?
Answer: All the plants and animals in an area are interdependent and interrelated to each other in their physical environment, thus, forming an ecosystem. Yes, Human beings are also an integral part of the ecosystem.
Q20: Discuss the importance of animals to humans.
Answer: Animals are important to humans:
① The large stock of animals are milch animals called livestock. The fish provides nutritive food.
② They also provide many draught labour, transportation, meat, egg.
③ Many insects help in pollination of crops and fruit trees and exert biological control on such insects, which are harmful.
Q21: Define biome.
Answer: A very large ecosystem on land having distinct types of vegetation and animal life is called a biome. The biomes are identified on the basis of plants.
Q22: Compare and contrast between dry and moist deciduous forests.
Answer:
Q23: List the number of biomes in which the land ecosystem is divided and also the basis for the grouping.
Answer:
(1) Tropical evergreen forests.
(2) Tropical deciduous forests.
(3) Tropical thorn forests and scrubs.
(4) Montane forests.
(5) Mangrove forests.
Q24: What are the main causes of the major threat to nature?
Answer:
(1) Hunting of wild animals by greedy hunters for commercial purposes. Many animals are killed for their hides, skins and body parts.
(2) Pollution due to chemical and industrial wastes and acid deposits is life-threatening to animals. Extinction of Indian vulture is due to this. Soil pollution is also responsible for its devastation.
(3) Reckless cutting of the forests to bring land under cultivation and in-habitation. Some precious trees like sandalwood are smuggled at a large scale every year.
* NCERT / CBSE TEXTBOOKS FOR ALL CLASSES - Click here
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* NCERT / CBSE TEXT BOOKS SOLUTIONS FOR ALL CLASSES - Click here
ഈ ബ്ലോഗിലെ എല്ലാ പോസ്റ്റുകളും ഒരുമിച്ച് കാണാനും ആവശ്യമുള്ളവ എളുപ്പത്തിൽ തിരഞ്ഞെടുക്കാനും ഇവിടെ ക്ലിക്കുക.
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