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Neet Botany Photosynthesis Mcq
Quiz 14
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Q.1
In Hill’s experiment, Hill used ______ as oxygen acceptor,
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a) Hydrogen
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b) FAD
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c) NADP
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d) Haemoglobin
Explanation
Answer:(d)
Q.2
The most efficient convertor of sunlight is
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a) Potato
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b) Tomato
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c) Sugar cane
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d) Papaya
Explanation
Answer:(c)
Q.3
In non-cyclic photophosphorylation, all the participants acts as electron donor and acceptor except
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a) Chl-a of PS I
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b) Chl-a of PS II
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c) NADP
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d) Both (A) and (B)
Explanation
Answer:(c)
Q.4
A plant with low CO2 compensation point is
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a) Atriplex patula
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b) Leucopoa kingii
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c) Gossypium hisrsutum
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d) Tidestromia oblingifolia
Explanation
Answer:(a)
Q.5
Which of the following pigments contains open pyrolle ring?
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a) Phycobilins
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b) Xanthophylls
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c) Chlorophylls
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d) α-carotene
Explanation
Answer:(a)
Q.6
Emerson effect proves
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a) concept of two photosystem in plant
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b) photophosphorylation
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c) photorespiration
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d) there are light and dark reaction in photosynthesis
Explanation
Answer:(a)
Q.7
Photosynthesis takes place
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a) Only in green light
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b) Only in sunlight
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c) In visible light obtained from any source
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d) Only in high intensity of light
Explanation
Answer:(c)
Q.8
Which of the following element is needed for chlorophyll biosynthesis?
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a) Copper
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b) Magnesium
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c) Calcium
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d) Chlorine
Explanation
Answer:(b)
Q.9
Translocation of sugar in angiosperms occur in form of
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a) glucose
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b) starch
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c) lactose
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d) sucrose
Explanation
Answer:(d)
Q.10
Calvins cycle involves
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a) Oxidative phosphorylation
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b) Oxidative carboxylation
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c) Reductive carboxylation
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d) Reductive phophorylation
Explanation
Answer:(c)
Q.11
Quantasome contains
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a) 150-200 chlorophyll molecules
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b) 200 chlorophyll molecules
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c) 230-250 chlorophyll molecules
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d) 300-350 chlorophyll molecules
Explanation
Answer:(c)
Q.12
Choose the correct combinations of labelling the carbohydrate molecule involved in the Calvin cycle.
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a) A – RuBP, B – Triose phosphate C– PGA
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b) A – PGA, B – RuBP, C Triose phosphate
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c) A – RuBP, B – Triose phosphate, C – PGAL
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d) A – RuBP, B – PGAL, C – Triose phosphate
Explanation
Answer:(d)
Q.13
Unidirectional flow of e- in non-cyclic photophosphorylation is
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Explanation
In a process called non-cyclic photophosphorylation (the "standard" form of the light-dependent reactions), electrons are removed from water and passed through PSII and PSI before ending up in NADPH. Answer:(b)
Q.14
................... is the by product of photosynthesis.
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a) O2
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b) H2O
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c) CO2
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d) C6H12O6
Explanation
Answer:(a)
Q.15
The photochemical process in photosynthesis which needs both PSI and PSII also involves
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a) Photolysis of water
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b) Z-scheme of electron transfer
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c) Synthesis of assimilatory power
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d) All of these
Explanation
Answer:(d)
Q.16
Absorption spectrum of chlorophyll is maximum in _____ light.
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a) red
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b) blue
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c) yellow
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d) blue-violet
Explanation
Answer:(b)
Q.17
Bundle sheath chloroplast of C4 plants are
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a) Large and agranal
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b) Large and granal
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c) Small and granal
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d) Small and agranal
Explanation
Answer:(a)
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