Photosynthesis in Higher Plants · Question 78

The enzyme required for carboxylation in the Calvin cycle is :

1. PEP carboxylase
2. RuBP carboxylase – oxygenase
3. Carboxypeptidase
4. Hexokinase

Find the incorrect statement(s) about photosynthesis from the following : Choose the answer from the options given below :

1. B and C only
2. B and E only
3. B only
4. A and D only

How many ATP and NADPH molecules are required to make one molecule of glucose through the Calvin pathway ?

1. 12 ATP and 18 NADPH
2. 18 ATP and 12 NADPH
3. 6 ATP and 12 NADPH
4. 24 ATP and 18 NADPH

How many turns of Calvin cycle are required for the formation of three molecules of glucose?

1. 18
2. 6
3. 3
4. 1

Photorespiration reaction catalyzed by RuBisCo is shown below: RuBP + O2 3-Phosphoglycerate + X Identify “X” from the given options:

1. Malate
2. Phosphoenolpyruvate
3. 2-Phosphoglycolate
4. Oxaloacetate

Which pigment has absorption peak at 700 nm in the photosynthetic reaction centre PS I (P700)?

1. Carotenoids
2. Chlorophyll b
3. Chlorophyll a
4. Xanthophylls

Which of the following statements regarding photorespiration are correct?

1. (A) and (B) only
2. (A) and (D) only
3. (C) and (D) only
4. (B) and (D) only

Select the correct sequence of experiments that led to a gradual understanding of photosynthesis in green plants.

1. Production of glucose role of air release of oxygen absorption spectra of chlorophyll a and b
2. Absorption spectra of chlorophyll a and b production of glucose release of oxygen role of air
3. Role of air release of oxygen production of glucose absorption spectra of chlorophyll a and b
4. Release of oxygen production of glucose absorption spectra of chlorophyll a and b role of air

Which of the following statements about RuBisCO is true?

1. It is an enzyme involved in the photolysis of water
2. It catalyzes the carboxylation of RuBP
3. It is active only in the dark
4. It has higher affinity for oxygen than carbon dioxide

Match List-I with List-II Choose the option with all correct matches.

1. A-I, B-II, C-IV, D-III
2. A-I, B-IV, C-III, D-II
3. A-III, B-IV, C-II, D-I
4. A-III, B-I, C-II, D-IV