Entry Test MCQ :: Bioenergetics
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11. |
Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on |
A. |
Bacteria |
B. |
Algae |
C. |
Protenema |
D. |
Cyanobacteria |
Answer: Option A
Explanation:
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12. |
Visible light used in photosynthesis ranges from: |
A. |
300 - 700 nm in wavelength |
B. |
350 - 750 nm in wavelength |
C. |
380 - 750 nm in wavelength |
D. |
390 - 790 nm in wavelength. |
Answer: Option C
Explanation:
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13. |
Which of the following light is least absorbed by the plants: |
Answer: Option D
Explanation:
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14. |
Which of the light is mainly absorbed by the plants: |
A. |
Orange |
B. |
Red |
C. |
Green |
D. |
Both A and B |
Answer: Option D
Explanation:
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15. |
Chlorophyll is insoluble in: |
A. |
Carbon tetrachloride |
B. |
Alcohol |
C. |
Organic solvents |
D. |
Water |
Answer: Option D
Explanation:
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16. |
Which of the following statement about the head of a chlorophyll molecule is incorrect: |
A. |
It is a porphyrin ring or tetrapyrrole ring structure |
B. |
It is flat, square and light absorbing |
C. |
Composed of carbon and nitrogen atoms with Magnesium as central metal ion, which is coordinated with nitrogen. |
D. |
It is hydrophobic |
Answer: Option D
Explanation:
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17. |
Molecular formula of chlorophyll 'a' molecule is: |
A. |
C55H72O5N4Mg |
B. |
C55H70O6N4Mg |
C. |
C50H72O6N4Mg |
D. |
C55H70O5N4Mg |
Answer: Option A
Explanation:
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18. |
Which of the following pigment is Blue- green in colour: |
A. |
Chlorophyll a |
B. |
Chlorophyll b. |
C. |
Chlorophyll c |
D. |
Chlorophyll d. |
Answer: Option A
Explanation:
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19. |
Which is the correct order of energy transfer from assessory pigments to main photosynthetic pigment? |
A. |
Carotenoids ? Chlorophyll a ? Chlorophyll b. |
B. |
Chlorophyll b ? Carotenoids ? Chlorophyll a. |
C. |
Carotenoids ? Chlorophyll b ? Chlorophyll a. |
D. |
Chlorophyll a ? Chlorophyll b ? Carotenoids. |
Answer: Option C
Explanation:
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20. |
Light reaction takes place on/in |
A. |
Thylakoid |
B. |
Storma |
C. |
Chloroplast |
D. |
Grana |
Answer: Option D
Explanation:
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