Explore topic-wise MCQs in Cell Biology.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

How many molecules of ATP and NADPH2 are used in synthesis of one glucose molecule?

A. 30 ATP and 10 NADPH<sub>2</sub>
B. 10 ATP and 30 NADPH<sub>2</sub>
C. 30 ATP and 12 NADPH<sub>2</sub>
D. 12 ATP and 30 NADPH<sub>2</sub>
Answer» D. 12 ATP and 30 NADPH<sub>2</sub>
2.

Which of the following is a facultative CAM plant?

A. Century plant
B. Corn
C. Maize
D. Common ice plant
Answer» E.
3.

Which enzyme is used to convert oxaloacetate to malate?

A. Malate dehydrogenase
B. Malate hydrolase
C. Malate carboxylase
D. Malate dehydratase
Answer» B. Malate hydrolase
4.

Which enzyme is used in converting bicarbonate ion to oxaloacetate?

A. Phosphoenolpyruvate reductase
B. Phosphoenolpyruvate hydrogenase
C. Phosphoenolpyruvate carboxylase
D. Phosphoenolpyruvate dehydrogenase
Answer» D. Phosphoenolpyruvate dehydrogenase
5.

The CAM plants undergo daytime acidification and nighttime deacidification.

A. True
B. False
Answer» C.
6.

How many aquatic plant genera can undergo CAM photosynthesis?

A. 4
B. 5
C. 6
D. 7
Answer» B. 5
7.

Where is the malate stored in CAM plants?

A. Chloroplast
B. Mitochondria
C. Vacuoles
D. Endoplasmic reticulum
Answer» D. Endoplasmic reticulum
8.

The CAM pathway starts at daytime.

A. True
B. False
Answer» C.
9.

Which of the following plants undergo CAM photosynthesis?

A. Cactus
B. Sugarcane
C. Corn
D. Wheat
Answer» B. Sugarcane