1. Advantages of conserving water in the form of ground water: (i) It does not evaporate. (ii) Spreads out to recharge wells. (iii) Provides moisture for vegetation over a large area. (iv) Does not provide breeding ground for mosquitoes. (v) Remain protected from contamination from human excreta, etc.

    Advantages of conserving water in the form of ground water:
    (i) It does not evaporate.
    (ii) Spreads out to recharge wells.
    (iii) Provides moisture for vegetation over a large area.
    (iv) Does not provide breeding ground for mosquitoes.
    (v) Remain protected from contamination from human excreta, etc.

    See less
    • 2
  2. Two advantages of sustainable management: (i) Provides the resources for the present generation. (ii) Preserve the resources for the future generation as well. Reuse is better than recycling because it does not involve use of energy.

    Two advantages of sustainable management:
    (i) Provides the resources for the present generation.
    (ii) Preserve the resources for the future generation as well.
    Reuse is better than recycling because it does not involve use of energy.

    See less
    • 2
  3. Two examples of natural ecosystem: (i) Forests (ii) Ponds (iii) Lakes (or any other) (iv) (Any two)

    Two examples of natural ecosystem:
    (i) Forests
    (ii) Ponds
    (iii) Lakes (or any other)
    (iv) (Any two)

    See less
    • 2
  4. DNA: It is the carrier of hereditary information from parents to the next generation/ Hereditary material present in all living cells.

    DNA: It is the carrier of hereditary information from parents to the next generation/ Hereditary material present in all living cells.

    See less
    • 2