Which of the following features is not related to chloroplast?
(I) Chloroplasts possess double-stranded circular DNA.
(II) The plastids contain ribosomes.
(III) These play an important role in cell movement.
(IV) Chloroplasts were first observed by Garnier.
(V) They are absent in case of bryophytes.
Choose the correct answer from the options given below.
Text Solution
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Statements III, IV and V are not related to chloroplasts.
Chloroplast was discovered by Sachs and named by Schimper. They are greenish plastids which possess photosynthetic pigments. Chloroplasts are also known as factory for synthesis of sugars. They are double membrane structure. Both membranes are smooth. The inner membrane is less permeable than the outer, but rich in proteins especially carrier proteins. It contains double stranded circular DNA and ribosomes. It is found in all green plants including bryophytes.
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