Top 150+ Solved Photosynthesis MCQ Questions Answer
Q. During dark phase of photosynthesis ______ is oxidized and ______ is reduced
a. CO2 and Water
b. Water and CO2
c. Water and NADP
d. NADPH2 and CO2
Q. To produce 3 glucose molecules ______ ATP and ______ NADPH2 molecules are required.
a. 54, 36
b. 54, 30
c. 36, 60
d. 18, 12
Q. Glycolytic reversal is a part of ______.
a. aerobic respiration
b. anaerobic respiration
c. light phase of photosynthesis
d. dark phase of photosynthesis
Q. RuBp carboxylase acts as RuBp carboxygenase at ______ CO2 conc. And ______ O2 conc.
a. low, low
b. low, hig
c. high, high
d. high, low
Q. Absorption spectrum of chlorophyll is maximum in _____ light.
a. red
b. blue
c. yellow
d. blue-violet
Q. The oxygen molecule in glucose formed during photosynthesis comes from
a. Water
b. Organic acids
c. CO2
d. atmosphere
Q. Dimorphic chloroplast are present in ______.
a. zea may
b. sacchrum officinale
c. sorghum bicolor
d. all of these
Q. Solarisation refers to ______.
a. formation of sugar with help of water and energy
b. destruction of chlorophyll
c. synthesis of chl.
d. both b and c
Q. Dark reaction requires light reaction for
a. carboxylation of RUBP
b. regeneration of RuBP
c. reduction of PGA
d. formation of hexose sugar
Q. Emerson effect proves
a. concept of two photosystem in plant
b. photophosphorylation
c. photorespiration
d. there are light and dark reaction in photosynthesis
Q. Name a plant which do not perform photosynthesis is
a. Algae
b. Bryophyllum
c. cuscutta
d. Pitcher plant
Q. Light reaction of photosynthesis results in formation of ______.
a. O2
b. NADPH + H+
c. ATP
d. All of these