Entry Test MCQ :: Bioenergetics

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41.

Stomata cover only _________ of leaf surface.

A.	0.03 - 0.04%	B.	10%
C.	1-2 %	D.	50%

42.

Reduction in photosynthesis is of

A.	O2	B.	CO2
C.	H2O	D.	light energy

43.

NADPH2 provides

A.	assimilatory power	B.	chemical energy
C.	energized electrons	D.	All of these

44.

Of the following, which one light - gathering

A.	Antenna complex	B.	Reaction centre
C.	Photosystem	D.	None of these

45.

Photosystem II has molecules which absorbs maximum light of

A.	680 nm	B.	100 m
C.	700 nm	D.	670 nm

46.

Glycolysis takes place in:

A.	Nucleus	B.	Cytosol
C.	Mitochondria.	D.	Ribosomes

47.

Complete breakdown of glucose molecule takes place in which of the following:

A.	Alcoholic fermentation	B.	Lactic acid fermentation
C.	Aerobic respiration.	D.	All of these

48.

In alcoholic fermentation Pyruvic acid is broken down into:

A.	Acetaldehyde	B.	Methyl alcohol
C.	Ethyl alcohol.	D.	Lactic acid.

49.

In which of the following component of the body, lactic acid fermentation takes place:

A.	Brain.	B.	Heart
C.	Liver.	D.	Muscles

50.

In Anaerobic respiration only _____ % of the energy present within the chemical bond of glucose is converted into ATP.

A.	1%	B.	2%
C.	3%	D.	4%