DAV CLASSS 8 QUESTION ANSWER'S

  DAV Class 8 SST Chapter 3 Question Answer Natural Resources Vegetation and Wildlife DAV Class 8 SST Chapter 3 Natural Resources Vegetation and Wildlife  Solutions A. Tick the correct option. 1. Which term is used for the plant community which grows without human interference? Answer:  natural vegetation 2. Which vegetation grows in hot and humid regions of the world?  Answer:  Tropical Evergreen Forests 3. The most common trees of Tropical Deciduous Forests are- Answer:  Sal and teak 4. Trees of Mediterranean Forests are have- Answer:  spiny and waxy leaves 5. The area under forests is depleting due to Answer:  human interference B. Fill in the blanks. 1. The assemblage of plant species in an environment is known as ___________. 2. ___________ and ___________ are two important factors for the plant growth. 3. Humus helps to maintain ___________ of the soil. 4. Hardwood trees have broad leaves to permit ___________ of surplus moisture. 5. Teak is...

  DAV Class 8 SST Chapter 1 Question Answer Resources Utilisation and Development DAV Class 8 SST Chapter 1 Resources Utilisation and Development Solutions A. Tick the correct option.                                                                                                         1. Future generations will depend on solar energy because it is- Answer:  inexhaustible 2. Which one of the following resources can be recycled? Answer:  gold 3. All the abiotic resources include- Answer:  non-living things 4. Available resources that are not being tapped fully for the time being are called- Answer:  potential resources 5. Which one does not promote the conservation of resources? Answer:  use as mu...

  DAV Class 8 SST Chapter 2 Question Answer Natural Resources Land Soil and Water DAV Class 8 SST Chapter 2 Natural Resources Land Soil and Water Solutions A. Tick the correct option. 1. Which type of erosion leads to desertification? Answer:  soil erosion 2. Which one of the following is suitable for restoring soil fertility? Answer:  contour ploughing/rotation of crops 3. Which of the following is not in favour of multipurpose river valley projects? Answer:  large scale displacement of people 4. Maintenance of lakes and ponds is essential for- Answer:  increasing water table 5. Which factor is more responsible for the quick formation of soil in Rajasthan? Answer:  extreme difference in day and night temperature B. Fill in the blanks. 1. Earth’s surface is divided into ___________ and ___________ zones. 2. To maintain ecological balance, ___________ % of the land should be under forest. 3. Planting of trees is commonly known as ___________. 4. The main sou...