ICSE Class IV Science Solutions

Displaying 5 out of 7 questions & answers.
Q1.

Tick (√) the right option:

  1. The colour of chlorophyll is ________________.
    1. Red
    2. yellow
    3. Green
    4. None of these
  2. The leaves have tiny pores called ______________.
    1. Leaf blade
    2. Veins
    3. Stomata
    4. None of these
  3. Plants store extra food in the form of ______________.
    1. Glucose
    2. Starch
    3. Proteins
    4. None of these
  4. Plants growing in hilly areas are called ______________.
    1. Deciduous plants
    2. Conifers plants
    3. Mangroves
    4. None of these
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  1. (c) Green
  2. (c) Stomata
  3. (b) Starch
  4. (b) Conifers plants
Q2.

Write 'T' for true or 'F' for false:

  1. The presence of chlorophyll in leaves makes leaves green.
  2. Chlorophyll is necessary for photosynthesis.
  3. Cotton and rice plants are found in hilly areas.
  4. Duckweed is a fixed water plant.
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Answer:
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  1. T
  2. T
  3. F
  4. F
Q3.

Fill in the blanks:

  1. The flattened part of a leaf is called _______________.
  2. ________________ trees usually grow in the plains.
  3. Leaves make food by a process called _______________.
  4. ______________ is the example of aquatic plant.
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  1. leaf blade
  2. Deciduous
  3. photosynthesis
  4. Duckweed
Q4.

How do cactus prepare their food?

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The cactus plant doesn't have leaves. It has a thick and fleshy green stem. It makes its own food in its fleshy stem by the process of photosynthesis.

Q5.

What are terrestrial plants? Give two examples.

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Terrestrial plants are plants that grow on land. They vary according to the soil and environment in which they grow.

Example: pine, kandelia.

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