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The envelop of chloroplast is …….
a) single membrane    
b) double membrane
c) triple membrane
d) quadruple membrane

b

The presence of which of the following, indicate/s that chloroplast is self-replicating organelle?
a) ribosomes               
b) DNA
c) matrix                                 
d) both a and b

d

Which of the following part of chloroplast, carbon dioxide is fixed to manufacture sugars (glucose)?
a) stroma                   
b) thylakoids
c) envelope                 
d) none of these

a

Where is the chlorophyll molecules arranged in chloroplast?
a) stroma                                
b) thylakoids
c) envelope                 
d) none of these

b

Which of the following type/s of plastid impart/s colour to the plant parts other than green?
a) chloroplast              
b) chromoplast
c) leucoplast               
d) none of these

b

Explanation: they are present in the petals of the flower and in the ripened fruits. They help in pollination and seed dispersal



Which of the following types of plastid are colorless?
a) chloroplast              
b) chromoplast
c) leucoplast              
d) none of these

c

Explanation: they are mostly found in the underground parts of the plants and store food.



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