Plastids


 
 
Concept Explanation
 

Plastids

These are present only in plant cells. They are double membrane cell organelle. Plastids contain certain pigments that have a specific role to play in the functioning of the plant. Depending on the pigment colour, plastids are of three kinds: chloroplasts, chromoplasts, and leucoplasts.

  • Chloroplasts contain the green pigment chlorophyll, which helps plants in making food by using sunlight by the process of photosynthesis.
  • Chromoplasts contain non-green pigments that give colour to flowers and fruits.
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    Sample Questions
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    Question : 1

    _______________________ contain the green pigment chlorophyll, which helps plants in making food by using sunlight in the process of photosynthesis .

    Right Option : A
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    Explanation
    Question : 2

    __________ is a component of chlorophyll.

    Right Option : C
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    Explanation
    Question : 3

    Besides nucleus, DNA is also found in __________________

    Right Option : B
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    Explanation
     
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