Multiple Choice Questions3-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
E.
Melvin Calvin
Melvin Calvin discovered PGA as first CO2 fixation product in algal photosynthesis.
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
Match the following and choose the correct option.
| Column I | Column II |
| A. Water potential | i. It is usually positive |
| B. Solute potential | ii. It is zero for pure water |
| C. Pressure potential | iii. It is always negative |
A - ii; B - iii; C - i
A - i; B - iii; C - ii
A - iii; B - ii; C - i
A - ii; B - i; C - iii
A - ii; B - i; C - iii
Which of the following statements about plasmolysis is/ are true?
I . Plasmolysis occurs when water moves into the cell.
II. Cells shrink in hypotonic solutions.
III. If the external solution balances the osmotic pressure of the cytoplasm, it is said to be isotonic.
I only
II only
III only
I and II only
I and II only
FAD is electron acceptor in the citric acid cycle during the oxidation of
Malic acid to oxaloacetic acid
Succinic acid to malic acid
Citric acid to alpha-ketoglutaric acid
Alpha-ketoglutaric acid to succinic acid
Alpha-ketoglutaric acid to succinic acid
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
Match the Column I with that of Column II and choose the correct combination from the options given
| Column I- Essential elements | Column II- Deficiency causes |
| A. N, K, Mg, S, Fe, Mn, Zn, and Mo | 1. Inhibit cell division |
| B. N, K, S and Mo | 2. Necrosis |
| C. Ca, Mg, Cu and K | 3. Delay in flowering |
| D. N, S and Mo | 4. Chlorosis |
A - 4; B - 3; C - 2; D - 1
A - 1; B - 2; C - 3; D - 4
A - 4; B - 1; C - 2; D - 3
A - 2; B - 3; C - 4; D - 1
A - 2; B - 3; C - 4; D - 1
In which one of the following reactions of glycolysis, oxidation takes place?
Glucose 6-phosphate to fructose 6-phosphate
Fructose 6-phosphate to fructose 1, 6-bisphosphate
1, 3-bisphosphoglycerate to 3-phosphogyceric acid
3-phosphoglyceraldehyde to 1, 3-bisphosphoglycerate
3-phosphoglyceraldehyde to 1, 3-bisphosphoglycerate
Cyclic-photophosphorylation results in the formation of
NADPH + H+
ATP and NADPH + H+
ADP
ATP
ATP
Select the correctly matched pair
C. Darwin and S.F. Darwin – Gibberellic acid
F.W. Went – Auxin
E. Kurosawa – Ethylene
Skoog and Miller – Abscisic acid
Skoog and Miller – Abscisic acid
Switch
