Name the plant in which chloroplast is spirally arranged.

 Spirogyra.
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Which pigment giveS yellow, orange or red colour to the plants.

Carotene. 
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Name the green pigment which can absorb and transform the radiant energy.

Chlorophyll
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What is the form of endoplasmic reticulum found in striated muscles ?

 Sarcoplasmic reticulum.
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Is chloroplast living or dead ?


 Living.
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