In which of the following organelles double membrane is not present?

(i) Shape, (ii) Communication, (iii)Desmotubules

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(i) Protection, (ii) Transport, (iii) Plasmodesmata

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(i) Transport, (ii) Plasmodesmata, (iii)Protection

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(i) Communication, (ii) Desmotubules, (iii)Shape

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Solution

The correct option is A
(i) Shape, (ii) Communication, (iii)Desmotubules

Mitochondria, nucleus, endoplasmic reticulum and Golgi apparatus are double membrane-bound organelles. They have an outer and an inner membrane. Lysosomes, on the other hand, are single membrane-bound organelles. They are basically vesicles filled with protein-digesting enzymes.

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Column I	Column II
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