Bundle sheath chloroplast of C4 plants are Large and agranal

1. The head and tail of chlorophyll are made up of
(A) Pyrrole and tetrapyrrole
(B) Porphyrine and phytin
(C) Pophyrine and phytol
(D) Tetrapyrrole and magnesium
Answer: (C)
2. The numbner of photons needed for the evolution of one molecule of oxygen is
(A) 8
(B) 2
(C) 12
(D) 18
Answer: (A)
3. Action spectrum is
(A) A graph showing amount of light absorbed
(B) A graph showing rate of photosynthesis
(C) A graph showing absorption of light
(D) A graph showing amount of CO2 released
Answer: (B)
4. C40H56O2 is molecular formula of
(A) Xanthophyll
(B) Carotenes
(C) Chlorophylls
(D) Phycobillins
Answer: (A)
5. Quantasome contains
(A) 150-200 chlorophyll molecules
(B) 200 chlorophyll molecules
(C) 230-250 chlorophyll molecules
(D) 300-350 chlorophyll molecules
Answer: (C)
6. The rate of photosynthesis is maximum in
(A) Blue light
(B) Red light
(C) Green light
(D) Violet light
Answer: (B)
7. Agranal chloroplast is seen in
(A) Bundle sheath cells
(B) Mesophyll cells
(C) Both (A) and (B)
(D) Epidermal cell
Answer: (A)
8. The malic acid in bundle sheath chloroplast of C4 plants is decarboxylated to form
(A) OAA
(B) Pyruvic acid
(C) PEPA
(D) Aspartic acid
Answer: (B)
9. How many Calvin’s cycle form one glucose molecule
(A) 2
(B) 6
(C) 4
(D) 8
Answer: (B)
10. CO2 fixing enzymes are present in
(A) Stroma lamella
(B) Grana lamella
(C) Quantasome
(D) Stroma
Answer: (D)
11. PGA is the first stable compound formed in
(A) C3 pathway
(B) Mesophyll
(C) C4 pathway
(D) Both (B) and (C)
Answer: (A)
12. The organisms that photosynthesizes but do not evolve any molecular oxygen during the process
(A) Blue green algae
(B) Mango plant
(C) Sulphur bacteria
(D) Both (A) and (C)
Answer: (C)
13. C4 plants show very high rate of photosynthesis as compare to C3 plants, because of
(A) Dicarboxylation
(B) Bundle sheath cells
(C) Absence of photorespiration
(D) All the above
Answer: (C)
14. During photsynthesis, the oxygen in glucose comes from
(A) Carbon dioxide
(B) Water
(C) Both (A) and (B)
(D) Oxygen
Answer: (A)
15. Dark reaction require light reaction for
(A) Carboxylation of RUDP
(B) Reduction of PGA
(C) Formation of hexose phosphate
(D) Regeneration of RUBP
Answer: (B)
16. Erythrose monophosphate (4C) is formed during
(A) CAM pathway
(B) C4 pathway
(C) Conversion of fructose to glucose
(D) Regeneration of RUDP
Answer: (D)
17. Donor and acceptor of electrons is the same chlorophyll molecule in
(A) Cyclic phtophosphorylation
(B) Photorespiration
(C) Substrate level phosphorylation
(D) Non-cyclic photophosphorylation
Answer: (A)
18. If a photosynthsing plant releases O18, it is concluded that the plant has been supplied with
(A) Water containing O18
(B) Oxygen in the form of ozone
(C) Sugar containing O18
(D) Carbon dioxide containing O18
Answer: (A)
19. Which of the following connet the primary and secondary processes of photosynthesis?
(A) NADPH2
(B) ATP and NADPH2
(C) ATP
(D) Ferridoxins
Answer: (B)
20. C4 plants can perform photosynthesis
(A) Even in low light intensity
(B) Even in low CO2 concentration
(C) Both (A) and (B)
(D) Only in high intensity of light and high CO2
Answer: (B)
21. Chemical which absorbs light energy and changes it to chemical energy is
(A) Chlorophyll a
(B) Chlorophyll b
(C) Xanthophyll
(D) Carotene
Answer: (A)
22.
In Hill’s experiment, Hill used ______ as oxygen acceptor,
(A) Hydrogen
(B) FAD
(C) NADP
(D) Haemoglobin
Answer: (D)
23. Fret channel is a another name for
(A) Stroma lamellae
(B) Intergranal lamellae
(C) Grana lamellae
(D) Space present in stroma lamellae
Answer: (D)
24. Bundle sheath chloroplast of C4 plants are
(A) Large and agranal
(B) Large and granal
(C) Small and granal
(D) Small and agranal
Answer: (A)
25. In C3 pathway, out of 12 molecules of 3-PGAL, how many are used for regeneration of RUDP?
(A) 12
(B) 8
(B) 10
(B) 6
Answer: (C)