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, 25  2016
37. Choose the correct statements from the following
1. Z scheme of light reaction takes place in
presence of PS I only.
2. Only PS I is functional in cyclic
photophosphorylation.
3. Cyclic photophosphorylation results into
synthesis of ATP and NADPH2
4. Stroma lamellae lack PS II as well as NADP
A) 2 and 4
B) 1 and 2
C) 2 and 3
D) 3 and 4
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38. Photosynthesis in C4 plants is relatively less
limited by atmospheric CO2 levels because
A) Effective pumping of CO2 into bundle
sheath cells
B) Rubisco in C4 plants has higher affinity
for CO2
C) Four carbon acids are the primary initial CO2
fixation products
D) The primary fixation of CO2 is mediated via
PEP carboxylase
Bacterial photosynthesis involves?
MORPHOLOGY
1. During photosynthesis, which of the
followings acts as a reservoir for hydrogen ions?
I) Cristae
II) Stroma
III) Thylakoid space
IV) Matrix
Choose the correct answer ONE
A) Only I
B) II and III
C) Only III
D) I, II,III and IV
2. In which type of reactions related to
plant photosynthesis peroxisomes are
involved?
1) Glycolate cycle 2) Glyoxylate cycle
3) Calvin cycle
4) Bacterial photosynthesis
Select the suitable answer
A) Only 1
B) 1 & 3
C) Only 3
D) 1,2,3 & 4
3. Cyclic photophosphorylation results in
the formation of
A) ATP
B) NADPH
C) ATP, NADPH
D) ATP, NADPH, O2
4. The fluid-filled space which surrounds
the grana is
I) Stroma
II) Cristae
III) Matrix
IV) Thylakoid space
Select the suitable answer
A) Only I
B) II and III
C) Only III
D) III and IV
5. Manganese is required in?
A) Chlorophyll synthesis
B) Nucleic acid synthesis
C) Plant cell wall formation
D) Photolysis of water during photosynthesis
6. which one of the following contains
green chlorophyll and other pigments.
1) Stroma
2) Cristae
3) Matrix
4) Thylakoid membrane
Select the suitable answer
A) 1
B) 1,3
C) 4
D) 3,4
7. Oxidative phosphorylation refers to?
A) Anaerobic production of ATP
B) The citric acid cycle production of ATP
C) Production of ATP by chemiosmosis
D) Alcoholic fermentation
8. Which one is required for photosynthetic
oxygen evolution?
I) Manganese
II) Iron
III) Copper
IV) Zinc
Select the suitable answer
A) Only I
B) II and III
C) Only III
D) Only IV
9. When thylakoids absorb solar energy
the reactions that begin are?
1) Glycolysis
2) Light-independent
3) Light-dependent 4) Fermentation
Pick up the right answer
A) 1
B) 2
C) 2, 3
D) 3, 4
10. Stomatal opening is affected by?
A) Nitrogen concentration, carbon dioxide
concentration and light
B) Carbon dioxide concentration,
temperature and light
C) Nitrogen concentration, light and
temperature
D) Carbon dioxide concentration, nitrogen
concentration and temperature
11. The chemiosmotic coupling hypothesis of
oxidative phosphorylation proposes that
adenosine triphosphate (ATP) is formed
because?
A) There is a change in the permeability of
the inner mitochondrial membrane
toward adenosine diphosphate (ADP)
B) High energy bonds are formed in
mitochondrial proteins
C) ADP is pumped out of the matrix into
the intermembrane space
D) A proton gradient forms across the inner
membrane
12. The process of photophosphorylation
was discovered by
I) Calvin
II) Arnon
III) Priestley
IV) Warburg
Select the suitable answer
A) I & II
B) Only II
C) II & III
D) Only IV
13. PGA as the first CO2 fixation product
was discovered in photosynthesis of?
A) Alga
B) Bryophyte
C) Gymnosperm
D) Angiosperm
14. The end product of the Calvin cycle is?
1) RuBP
2) PGAL
3) PGA
4) ADP + NADP
Pick up the right answer
A) Only 1
B) only 2
C) 2 & 3
D) 1,2,3 & 4
15. 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
16. The metabolic pathway which produces
carbohydrate is?
I) Calvin cycle
II) Glycolysis
III) Cyclic electron pathway
IV) Krebs cycle
Choose the suitable answer
A) Only I
B) Only II
C) II & III
D) III & IV
17. 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
18. In ...... NADP is converted into NADPH2.
A) Photolysis
B) Cyclic photophosphorylation
C) Noncyclic photophosphorylation
D) Oxidative phosphorylation
19. Which one of the following doesn't play
any role in photosynthesis?
1) Phycocyanin
2) Xanthophylls
3) Phycoerythrin
4) Anthocyanin
Pick up the right answer
A) 1
B) 2, 3
C) 4
D) 1,2,3, 4
20. The correct sequence of cell organelles
during photorespiration is
A) Chloroplast,–peroxisome,–mitochondria
B) Chloroplast, – vacuole, – peroxisome
C) Chloroplast, – golgi bodies, – mitochondria
D) Chloroplast, – RER, – Dictyosomes
21. 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
22. 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
23. In leaves of C4 plants malic acid synthesis
during CO2 fixation occurs in
A) Guard cells
B) Epidermal cells
C) Mesophyll cells D) Bundle sheath
24. Which of the following is a 4-carbon
compound?
A) Oxaloacetic acid
B) Phosphoglyceric acid
GURUKULA–
TGT, PGT, JL, DL
C) Ribulose bisphosphate
SPECIAL
D) Phosphoenolpyruvate
25. In C3 plants, the first stable
product of photosynthesis
during the dark reaction is?
A) Phosphoglyceraldehyde
B) 3-phosphoglyceric acid
C) Oxaloacetic acid
D) Malic acid
26. Hill reaction occurs in?
1) Absence of water 2) Total darkness
3) High altitude plants
4) Presence of ferricyanide
Pick up the right answer
A) 1
B) 2, 3
C) 4
D) 3, 4
27. Chloroplast dimorphism is a characteristic
feature of?
I) Plants with Calvin cycle II) C4-Plants
III) All plants
IV) Algae
Choose the correct answer
A) I
B) II
C) II,III
D) III, IV
28. In Kranz anatomy, the bundle sheath
cells have?
A) Thin walls, no intercellular spaces and
several chloroplasts
B) Thick walls, many intercellular spaces
and few chloroplasts
C) Thin walls, many intercellular spaces
and no chloroplasts
D) Thick walls, no intercellular spaces and
large number of chloroplasts
29. Match the following two lists and select
the most accurate option.
List I
List II
A. Oxygen evolving
I. Potassium
complex ferric oxalate
B. Proton gradient
II. High oxygen
concentration
C. Hill reagent
III. ATP synthesis
D. Photo-respiration
IV. Pheophytin
V. Photolysis of water
A) A - V, B - III, C - I, D - II
B) A - I, B - II, C - IV, D - V
C) A - V, B - I, C - IV, D - II
MAHESH MOKIRALA
M.Sc, M.Ed., TS & AP SET
VIVEKANANDA STUDY
CIRCLE
9491 997 365
D) A - I, B - IV, C - III, D – V
30. Bacterial photosynthesis involves?
A) PS I only
B) PS II only
C) Both PS I and PS II
D) Either PS I or PS II
31. A plant with low CO2 compensation
point is?
A) Gossypium hirsutum
B) Leucopoa kingii
C) Atriplex patula
D) Tidestromia Oblongifolia
32. Which of the following statements regarding C4 plants is false?
A) The primary CO2 acceptor is a 5 carbon
molecule
B) The initial carboxylation reaction occurs
in mesophyll
C) The leaves that fix CO2 have two cell types
D) The mesophyll cells lack RuBisCO enzyme
33. Which of the following is WRONGLY
matched?
A) Sorghum – Kranz anatomy
B) PEP carboxylase – Mesophyll cells
C) Blackman – Law of limiting factors
D) PS II – P700
34. The synthesis of one molecule of glucose
during Calvin cycle requires
A) 6 molecules of ATP and 12 molecules
of NADPH2
B) 12 molecules each of ATP and NADPH2
C) 12 molecules of ATP and 18 molecules
of NADPH2
D) 18 molecules of ATP and 12 molecules
of NADPH2
35. The pathway that will produce oxygen
during photosynthesis is
A) Electron transport pathway
B) Non-cyclic electron pathway
C) Light-independent reactions
D) Cyclic electron pathway
36. The net requirement of assimilator power
for the formation of 6 hexose molecules in
maize plant is
A) 180 ATP, 72 NADPH
B) 108 ATP, 72 NADPH
C) 90 ATP, 60 NAQPH
D) 72 ATP, 48 NADPH
ANSWERS
1. C
2. A
3. A
4. A
5. D
6. C
7. C
8. A
9. B
10. B
11. D
12. B
13. A
14. A
15. D
16. A
17. D
18. C
19. C
20. A
21. C
22. D
23. C
24. A
25. B
26. C
27. B
28. D
29. A
30. A
31. D
32. A
33.D
34. D
35. B
36. A
37. A
38. D