A. Carotenoids ? Chlorophyll a ? Chlorophyll b.
B. Chlorophyll b ? Carotenoids ? Chlorophyll a.
C. Carotenoids ? Chlorophyll b ? Chlorophyll a.
D. Chlorophyll a ? Chlorophyll b ? Carotenoids.
Show AnswerAnswer= Option C
MCAT Biology
Which of the following pigment is Blue- green in color :
A. Chlorophyll a
B. Chlorophyll b.
C. Chlorophyll c
D. Chlorophyll d.
Show AnswerAnswer= Option A
Molecular formula of chlorophyll ‘a’ molecule is:
A. C55H72O5N4Mg
B. C55H70O6N4Mg
C. C50H72O6N4Mg
D. C55H70O5N4Mg
Show AnswerAnswer= Option A
Which of the following statement about the head of a chlorophyll molecule is incorrect :
A. It is a porphyrin ring or tetra pyrrole 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
Show AnswerAnswer= Option D
Chlorophyll is insoluble in :
A. Carbon tetra-chloride
B. Alcohol
C. Organic solvents
D. Water
Show AnswerAnswer= Option D
Which of the light is mainly absorbed by the plants :
A. Orange
B. Red
C. Green
D. Both A and B
Show AnswerAnswer= Option D
Which of the following light is least absorbed by the plants :
A. Orange
B. Red
C. Blue
D. Green
Show AnswerAnswer= Option D
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.
Show AnswerAnswer= Option C
Van Neil hypothesis about the production of oxygen during photosynthesis was based on the study and investigations on ______?
A. Bacteria
B. Algae
C. Protenema
D. Cyanobacteria
Show AnswerAnswer= Option A
The point at which there is no net exchange of gases between leaves and atmosphere is known as _____ ?
A. Neutral point
B. Compensation point
C. Parallel point
D. Competitive point
Show AnswerAnswer= Option B