Photosynthesis MCQs Quiz: 02 10


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Free online interactive MCQs Quiz test on ‘ Photosynthesis ‘ with instant answers and reporting. Test # 02

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Photosynthesis: MCQs Quiz - 2

Congratulations - you have completed Photosynthesis: MCQs Quiz - 2. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%
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Question 1
Who enunciated the law of limiting factor for photosynthesis?
A
Robert Emerson
B
Ruben
C
Blackman
D
Calvin
Question 2
The process of photophosphorylation was discovered by ______
A
Calvin
B
Arnon
C
Priestley
D
Warburg
Question 3
PGA as the first CO2 fixation product was discovered in photosynthesis of
A
Alga
B
Bryophyte
C
Gymnosperm
D
Angiosperm
Question 4
The end product of the Calvin cycle is ______.
A
RuBP
B
PGAL
C
PGA
D
ADP + NADP
Question 5
Which one of the following statement is true for ATP?
A
ATP is prosthetic part of an enzyme
B
ATP is an enzyme
C
ATP is organic ions of enzyme
D
ATP is a Co-enzyme
Question 6
The metabolic pathway which produces carbohydrate is
A
Calvin cycle
B
Glycolysis
C
Cyclic electron pathway
D
Krebs cycle
Question 7
Glycolysis
A
Takes place in the mitochondria
B
Produces no ATP
C
Has no connection with electron transport chain
D
Reduces two molecules of NAD+ for every glucose molecule processed
Question 8
In ______ NADP is converted into NADPH2.
A
Photolysis
B
Cyclic photophosphorylation
C
Noncyclic photophosphorylation
D
Oxidative phosphorylation
Question 9
Which one of the following doesn't play any role in photosynthesis?
A
Phycocyanin
B
Xanthophylls
C
Phycoerythrin
D
Anthocyanin
Question 10
Where does bulk fixation of carbon through photosynthesis take place?
A
Crop plants
B
Oceans
C
Tropical rain forests
D
Tropical rain forests and crop plants
Question 11
Which of the following substances yield less than 4 Kcal/mol when its phosphate bond is hydrolyzed?
A
Creatine Phosphate
B
ADP
C
Glucose-6-Phosphate
D
ATP
Question 12
The correct sequence of cell organelles during photorespiration is
A
Chloroplast, – peroxisome, – mitochondria
B
Chloroplast, – vacuole, – peroxisome
C
Chloroplast, – Golgibodies, – mitochondria
D
Chloroplast, – Rough endoplasmic reticulum, – Dictyosomes
Question 13
The C4 plants are photosynthetically more efficient than C3 plants because
A
They have more chloroplasts
B
The CO2 compensation point is more
C
CO2 generated during photorespiration is trapped and recycled through PEP carboxylase
D
The CO2 efflux is not prevented
Question 14
In C4 plants, the bundle sheath cells
A
Have thin walls to facilitate gaseous exchange
B
Have large intercellular spaces
C
Are rich in PEP carboxylase
D
Have a high density of chloroplasts
Question 15
In leaves of C4 plants malic acid synthesis duringCO2 fixation occurs in:
A
Guard cells
B
Epidermal cells
C
Mesophyll cells
D
Bundle sheath
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10 thoughts on “Photosynthesis MCQs Quiz: 02

  • mukul

    photorespiration is absent in case of c4 plants….
    check question 13..plz

    • cheshta

      Its not always so, when amount of oxygen increase C4 plants may also start photorespiration.

    • Ayush Sharma

      It is present sometimes….this Question is correct..

  • naresh tomar

    label of question paper was upto the mark.

  • shrikant panchal

    what a question pepar ? very nice .

  • Nancy Sachan

    one of the question is wrong…. in photorespiration the sequence is chloroplast-peroxisome-mitochondria

  • Suhail

    Because co2 trapped by c4 plants will be utilised in photosynthesis which otherwise is lost in c3 plants while performing photorespiration