Photosynthesis : MCQs for any board and medical exams

Photosynthesis MCQs

Here you are provided photosynthesis MCQs which are very important for any medical exams, you know well. We have included many questions appeared in different entrance exams. Remember “Practice does not make perfect, only perfect practice makes perfect.” After learning photosynthesis chapter from your books or get our theory course, then come here, work it out and grow in confidence for your exam.

Andhra Pradesh GKImage Source: Google Image

The process by which green plants and certain other organisms transform light energy into chemical energy is called Photosynthesis.

Q.1 Bio-Chemical phase in photosynthesis was first discovered by
(1) Calvin
(2) Blackman
(3) Amon
(4) Hill

Correct Answer: Option (2)

Q.2 Photosynthetic units are referred as
(1) Quantasome
(2) Oxysome
(3) Phycobilisome
(4) Fiparticles

Correct Answer: Option (1)

Q.3 CAM-plants are mainly
(1) Succulent xerophyte
(2) Hydrophtytes
(3) Epihytes
(4) None of the above

Correct Answer: Option (1)

Q.4 What is the role of light in plants ?
(1) Necessary for photosynthesis
(2) Controls growth & Movement
(3) Controls distribution of hormones & flowering
(4) All of the above

Correct Answer: Option (4)

Q.5 How many calvin cycles would generate one molecules of glucose/hexose
(1) One cycles
(2) Three cycles
(3) Six cycles
(4) Twelve cycles

Correct Answer: Option (3)




Q.6 In photosynthetic bacteria the photosynthesis takes place in
(1) Chloroplast
(2) Chromoplast
(3) Chromatophores
(4) Mesosomes

Correct Answer: Option (3)

Q.7 How many molecules of water would be consumed to support one calvin cycles
(1) One
(2) Two
(3) Four
(4) Six

Correct Answer: Option (2)

Q.8 Photosynthetic bacteria do not contain
(1) PS – I
(2) PS-II
(3) PS- I or PS-II
(4) Quantasome

Correct Answer: Option (2)

Q.9 How much energy in terms of ATP equivalents is consumed in the photosynthetic production of a mole of hexose
(1) 36 ATP e
(2) 38 ATP e
(3) 40 ATP e
(4) 54 ATP e

Correct Answer: Option (4)

Q.10 What is the by product of bacterial photosynthesis ?
(1) O2
(2) H2S
(3) S
(4) H2S

Correct Answer: Option (3)


Although all the questions are verified by experts, in case if you detect any error in this page then please inform us, we will update it immediately.

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