Entry Test MCQ :: Bioenergetics

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31.

Molecular formula of chlorophyll b is

A.	C55 H10 O4 N6 Mg	B.	C55 H70 O6 N5 Mg
C.	C55 H71 O6 N4 Mg	D.	C55 H70 O6 N4 Mg

32.

Carotenoids perform protective function in

A.	Animals	B.	Plants
C.	Both of these	D.	None of these

33.

About _______ % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds.

A.	10%	B.	20%
C.	30%	D.	40%

34.

Air contains ______ % of CO2

A.	0.02-0.03	B.	0.03-0.04
C.	0.04-0.05	D.	0.05-0.06

35.

PS I has chlorophyll a molecule which absorbs maximum light of _____ nm.

A.	600	B.	650
C.	680	D.	700

36.

The percentage of light absorbed by the leaf

A.	20%	B.	15%
C.	10%	D.	1%

37.

The first action spectrum was obtained by

A.	T.W.Englemam	B.	Malleus
C.	T.W.Inws	D.	W.Stapes

38.

First Actions spectrum was obtained by using

A.	Algae	B.	Fungi
C.	Bacteria	D.	Spirogyra

39.

Of the following, which one causes higher production of food in green plants

A.	Blue	B.	Orange
C.	Red	D.	Violet

40.

Photosynthesis carried out by terrestrial plants is ____ of total photosynthesis.

A.	1-2%	B.	5%
C.	10%	D.	20%