Forest and Wildlife - 2 Class 4 Worksheet SST

Q1: True or False.

(i) Natural vegetation refers to the growth of plants and trees that is influenced by environmental factors like land formation and climate.
Ans: True
This statement accurately defines natural vegetation and its connection to environmental factors.

(ii) Tropical evergreen vegetation is found in regions with low rainfall and short dry seasons.
Ans: False
Tropical evergreen vegetation is found in regions with high rainfall and no distinct dry season.

(iii) Deciduous vegetation refers to plants that shed their leaves once a year during the dry season.
Ans: False
Deciduous vegetation refers to plants that shed their leaves once a year during the dry season.

(iv) Dry tropical thorny vegetation is found in areas with high annual rainfall.
Ans: False
Dry tropical thorny vegetation is found in areas with low annual rainfall.

(v) Wildlife in India is protected by a Central Act.
Ans: True
Wildlife in India is indeed protected by a Central Act.

Q2: Correct and Rewrite the Following Statements.

(i) Forests have no impact on maintaining humidity levels in the atmosphere.
Ans: Forests help in maintaining humidity levels in the surrounding atmosphere.

(ii) Dry tropical deciduous vegetation is found in regions with high rainfall.
Ans: Dry tropical deciduous vegetation is found in regions with moderate to low rainfall.

(iii) The term "tropical evergreen vegetation" refers to regions with a short dry season.
Ans: The term "tropical evergreen vegetation" refers to regions with high rainfall and no distinct dry season.

(iv) The plant composition in the Himalayan mountains is the same at all altitudes.
Ans: The plant composition in the Himalayan mountains varies based on altitude, leading to a wide variety of vegetation.

(v) Wildlife protection in India is governed by local state laws.
Ans: Wildlife protection in India is governed by a Central Act, not local state laws.

Q3: Write Any Two Differences Between the Following.

(i) Tropical Evergreen Vegetation and Tropical Deciduous Vegetation
Ans: Tropical Evergreen Vegetation and Tropical Deciduous Vegetation:

• Tropical Evergreen Vegetation: Found in regions with high rainfall, tall trees, no leaf shedding, dense forests.
• Tropical Deciduous Vegetation: Found in regions with moderate rainfall, trees shed leaves during dry season, less dense forests.

(ii) Dry Tropical Thorny Vegetation and Tidal Vegetation
Ans: Dry Tropical Thorny Vegetation and Tidal Vegetation:

• Dry Tropical Thorny Vegetation: Found in regions with less than 70cm annual rainfall, sparse grassland, widely spaced trees and bushes.
• Tidal Vegetation: Found in delta regions, flooded by tidal waves, characterized by mangroves and trees like sundari.

Q4: Name the Following.

(i) The type of vegetation found in the delta regions of the Ganga, Mahanadi, Godavari, and Krishna rivers.
Ans: Tidal Vegetation

(ii) The Central Act that protects wildlife in India.
Ans: The Wildlife Protection Act

Q5: Short Answer Questions.

(i) Describe two characteristics of tropical evergreen vegetation.
Ans: Tropical evergreen vegetation is characterized by high rainfall (above 300cm annually), tall trees that do not shed their leaves, and dense forests with a variety of plant life.

(ii) What are deciduous trees? Give an example.
Ans: Deciduous trees are those that shed their leaves once a year during the dry season to conserve water. An example is the teak tree.

(iii) Why are forests important from an ecological perspective?
Ans: Forests play a crucial ecological role by conserving soil, regulating water flow, maintaining humidity levels, and supporting diverse plant and animal species.

(iv) Mention two economic benefits of forests.
Ans: Economic benefits of forests include providing timber for construction, wood for paper production, medicinal plants, and tourism opportunities.

(v) How is wildlife protected in India?
Ans: Wildlife in India is protected by the Wildlife Protection Act, a Central Act that prohibits the hunting, poaching, and trade of endangered species.