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Unit Test: Natural Vegetation and Wildlife | Social Studies (SST) Class 9 PDF Download

Time: 1 hour
M.M. 30
Attempt all questions.
Question numbers 1 to 5 carry 1 mark each.
Question numbers 6 to 8 carry 2 marks each.
Question numbers 9 to 11 carry 3 marks each.
Question numbers 12 & 13 carry 5 marks each.

Q1. Which type of vegetation is known as virgin vegetation? (1 Mark)
(i)
Cultivated crops
(ii) Natural vegetation undisturbed by humans
(iii) Orchards
(iv) Exotic plants

Q2. Which forest type is found in areas with rainfall above 200 cm and no definite leaf-shedding season? (1 Mark)
(i)
Tropical Deciduous Forests
(ii) Tropical Evergreen Forests
(iii) Montane Forests
(iv) Mangrove Forests

Q3. Which animal is unique to the Gir forest in Gujarat? (1 Mark)
(i) One-horned rhinoceros
(ii) Indian lion
(iii) Royal Bengal Tiger
(iv) Snow leopard

Q4. Which medicinal plant is used to treat blood pressure and is found only in India? (1 Mark)
(i) 
Neem
(ii) Sarpagandha
(iii) Tulsi
(iv) Jamun

Q5. Which bioreserve is not part of the world network of biosphere reserves? (1 Mark)
(i) 
Sundarbans
(ii) Nilgiri
(iii) Manas
(iv) Panna

Q6. Differentiate between flora and fauna. (2 Marks)

Q7. Describe the characteristics of thorn forests and scrubs. (2 Marks)

Q8. Name two animals found in Montane Forests and their adaptations. (2 Marks)

Q9. Explain the features of Mangrove Forests and their significance. (3 Marks)

Q10. Why are some plant and animal species endangered in India? (3 Marks)

Q11. Describe the vegetation found at high altitudes in India. (3 Marks)

Q12. Discuss the types of vegetation found in India and their distribution. (5 Marks)

Q13. Analyze the measures taken by the Indian government to conserve flora and fauna and their importance. (5 Marks)

The document Unit Test: Natural Vegetation and Wildlife | Social Studies (SST) Class 9 is a part of the Class 9 Course Social Studies (SST) Class 9.
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FAQs on Unit Test: Natural Vegetation and Wildlife - Social Studies (SST) Class 9

1. What is natural vegetation and why is it important for the environment?
Ans.Natural vegetation refers to the plant life that grows naturally in a particular region without human intervention. It is important for the environment because it plays a crucial role in maintaining ecological balance, providing habitat for wildlife, preventing soil erosion, and contributing to the water cycle. Additionally, natural vegetation helps in carbon sequestration, which mitigates climate change.
2. How does climate affect natural vegetation?
Ans.Climate significantly influences the type and distribution of natural vegetation in an area. Factors such as temperature, precipitation, and seasonal variations determine which plants can thrive in a specific environment. For instance, tropical rainforests flourish in warm, humid climates with abundant rainfall, while deserts have sparse vegetation adapted to extreme dryness and high temperatures.
3. What are the different types of natural vegetation found in India?
Ans.India is home to various types of natural vegetation, including tropical rainforests, deciduous forests, thorny bushes, and alpine vegetation. Tropical rainforests are found in the western coast and northeastern regions, while deciduous forests are prevalent in the central and northern parts. Thorny bushes are typical in arid and semi-arid regions, and alpine vegetation is found in the Himalayan region.
4. What role does wildlife play in maintaining natural ecosystems?
Ans.Wildlife plays a vital role in maintaining natural ecosystems by promoting biodiversity, pollinating plants, and controlling pest populations. Animals contribute to nutrient cycling through their waste, which enriches the soil. Predators help regulate prey populations, ensuring a balanced ecosystem. The presence of diverse wildlife is crucial for ecosystem resilience and stability.
5. What threats does natural vegetation and wildlife face today?
Ans.Natural vegetation and wildlife face several threats, including deforestation, habitat destruction, pollution, climate change, and poaching. Urbanization and agricultural expansion lead to the loss of habitats, while pollution harms both plant and animal life. Climate change alters habitats and disrupts the delicate balance of ecosystems, posing a significant risk to biodiversity.
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