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The Cell-Basic Unit of Life


19. 

What does Phloem tissue have?

Answer : A. Sieve elements

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20. 

Endodermis is found as a single layer of cells

Answer : D. forming the outermost layer of the stele

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21. 

The electron transport chain is a group of molecules located in the

Answer : A. inner membrane of mitochondria

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22. 

Which of the following cell organelle play the most significant role in protein synthesis?

Answer : B. Endoplasmic Reticulum and Ribosome

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23. 

Who has discovered the cell

Answer : A. Robert Hooke

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24. 

Golgi bodies of plant cells are also called

Answer : B. Dictyosomes

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