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Physiology


19. 

Kreb’s cycle takes place in

Answer : B. mitochondrial matrix

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20. 

Which is formed during anaerobic respiration

Answer : C. Ethyl alcohol

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21. 

The xylem and phloem arranged side by side on same radius is called

Answer : C. conjoint

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22. 

The water potential of pure water is

Answer : D. 0

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23. 

Transpiration and root pressure cause water to rise in plants by

Answer : B. pulling and pushing it, respectively

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24. 

Movement of ions or molecules in a direction opposite to that of prevailing electro-chemical gradient is known as

Answer : A. Active transport

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