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Entry Test MCQ :: Bioenergetics


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

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.

13.  Which of the following light is least absorbed by the plants:
A. Orange B. Red
C. Blue D. Green

14.  Which of the light is mainly absorbed by the plants:
A. Orange B. Red
C. Green D. Both A and B

15.  Chlorophyll is insoluble in:
A. Carbon tetrachloride B. Alcohol
C. Organic solvents D. Water

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

17.  Molecular formula of chlorophyll 'a' molecule is:
A. C55H72O5N4Mg B. C55H70O6N4Mg
C. C50H72O6N4Mg D. C55H70O5N4Mg

18.  Which of the following pigment is Blue- green in colour:
A. Chlorophyll a B. Chlorophyll b.
C. Chlorophyll c D. Chlorophyll d.

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.

20.  Light reaction takes place on/in
A. Thylakoid B. Storma
C. Chloroplast D. Grana




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