NCERT Class VII Science Solutions: Chapter 16-Water: A Precious Resource Part 4 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 19:

Complete the given table

Form of Water and Process by Which Formed and Location Where Found (Q)
Form of WaterProcess by which formedLocation where found
Liquid
Solid
Gaseous

Answer:

Form of Water and Process by Which Formed and Location Where Found (A)
Form of WaterProcess by which formedLocation where found
LiquidCondensation and meltingWater bodies like rivers, lakes, etc.
SolidFreezingCold regions like high mountains, poles, etc.
GaseousEvaporationAtmosphere
Form of Water

Question 20:

Match Column I with Column II

Match Column I with Column II (Q)
Column IColumn II
  1. Ground water
  • Solid from of water
  • Bawri
  • Wastage of water
  • snow
  • Water management
  • Drip irrigation
  • Small water
  • Leaking taps
  • Water table

Answer:

Match Column I with Column II (A)
Column IColumn II
  1. Ground water
v Water table
  1. Bawri
iv Small water
  1. snow
i Solid from of water
  1. Drip irrigation
iii Water management
  1. Leaking taps
ii Wastage of water

Question 21:

A list of jumbled words is given here. Write the correct form of each word.

  1. WASHFERRET
  2. CHARREGE
  3. QUIFERA
  4. WOSN

Answer:

  1. Freshwater
  2. Recharge
  3. Aquifer
  4. Snow

Question 22:

From where do the following usually get water? In which form is water present in them?

  1. Clouds
  2. Plants
  3. Mountain tops
  4. Aquifer
  5. Animals

Answer:

  1. Land; liquid form (droplet of water) .
  2. Soil; liquid form.
  3. Atmosphere; solid form.
  4. Rain; underground water.
  5. Water bodies; liquid.