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Photosynthesis In Higher Plants Mock Tests

18 questions available

Photosynthesis In Higher Plants Mock Test 1

Questions: 18

Sample Questions

Class 11 Biology
Which of the following is the correct sequence of glycolysis (EMP pathway)?
A Glucose → Glucose-6-phosphate → Fructose-6-phosphate → Fructose-1,6-bisphosphate → 2 Pyruvate
B Glucose → Pyruvate → Fructose-1,6-bisphosphate → Glucose-6-phosphate
C Fructose → Glucose → Lactate → Pyruvate
D Glucose → Acetyl-CoA → Pyruvate → Citrate
Class 11 Biology
In the process of photosynthesis, the light-independent reactions (Calvin cycle) primarily occur in which part of the chloroplast?
A Thylakoid membrane
B Outer membrane
C Stroma
D Intermembrane space
Class 11 Biology
In C4 plants, the primary CO₂ acceptor in mesophyll cells is:
A Phosphoenolpyruvate (PEP)
B RuBisCO
C Oxaloacetate (OAA)
D Phosphoenolpyruvate carboxylase (PEPcase)
Class 11 Biology
Which of the following pigments is primarily responsible for capturing light energy during the light-dependent reactions of photosynthesis?
A Carotenoids
B Xanthophylls
C Chlorophyll a
D Chlorophyll b
Class 11 Biology
Photorespiration in plants occurs when RuBisCO acts as:
A Carboxylase at high O₂ and low CO₂
B Oxygenase at high O₂ and low CO₂
C Kinase at high ATP and low ADP
D Phosphatase at high NADPH and low NADP⁺
Class 11 Biology
Which plant adaptation minimises photorespiration by opening stomata at night to fix CO₂ into organic acids, which are then decarboxylated during the day?
A CAM (Crassulacean Acid Metabolism) pathway
B C4 pathway
C C3 pathway
D Calvin cycle
Class 11 Biology
C₄ plants have a special adaptation for hot, dry environments that minimizes photorespiration. What is the primary CO₂ acceptor molecule in C₄ plants?
A RuBisCO
B Phosphoenolpyruvate (PEP)
C RuBP (Ribulose-1,5-bisphosphate)
D Oxaloacetic acid (OAA)
Class 11 Biology
Which of the following statements correctly describes the role of RuBisCO in C3 plants?
A It fixes oxygen instead of carbon dioxide under all conditions
B It catalyses the fixation of CO₂ by combining it with ribulose-1,5-bisphosphate (RuBP)
C It breaks down glucose into pyruvate during respiration
D It transports glucose from leaves to roots

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