Maximum absorption of light by chlorophyll a occurs in which regions of the absorption spectrum?
(A) blue
(B) red
(C) green
(D) yellow
(A) and (B) only
(B) and (C) only
(A) and (D) only
(B) and (D) only
(B) and (D) only
A.
(A) and (B) only
Maximum absorption of light by chlorophyll-a at blue and red regions.
3-phosphoglyceric acid (PGA) as the first CO2 fixation product in algal photosynthesis was discovered by
Joseph Priestley
Jan Ingenhousz
T.W. Engelmann
Julius von Sachs
Julius von Sachs
Match the following
| Column I | Column II |
| A. Chlorophyll a | 1. yellow |
| B. Chlorophyll b | 2. bright or blue green |
| C. Xanthophyll | 3. yellow - yellow orange |
| D. Carotenoids | 4. yellow green |
A - 2; B - 4; C - 1; D - 3
A - 3; B - 4; C - 2; D - 1
A - 4; B - 3; C - 2; D - 1
A - 4; B - 2; C - 1; D - 3
A - 4; B - 2; C - 1; D - 3
Splitting of water molecues during the light reaction of photosynthesis is associated with
(a) PSI resulting in the release of O2, Protons and transfer of electrons of PS II.
(b) PSII resulting in the release of O2, Protons and transfer of electrons of PS I.
(c) PSII resulting in the release of O2, Protons and transfer of electrons of PS II.
(d) PSI resulting in the release of O2, Protons and transfer of electrons of PS I.
(a) alone is correct
(b) alone is correct
(c) alone is correct
(d) alone is correct
(d) alone is correct
Kranz anatomy is not seen in
(i) Maize
(ii) Sorghum
(iii) Tomato
(i) and (ii) only
(i) and (iii) only
(i) only
(ii) only
(ii) only
In photorespiration, the number of ATP and NADPH synthesised are respectively
1 and 3
2 and 3
3 and 4
0 and 0
0 and 0
