Explore topic-wise MCQs in Cell Biology.

This section includes 10 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.

Which of the following contains a linear system of conjugated double bonds?

A. β-carotene
B. chlorophyll
C. chloroplast
D. thylakoid
Answer» B. chlorophyll
Discussion
2.

Which of the following type of spectrum is a plot of efficiency of different types of wavelengths in bringing about the photosynthesis?

A. absorption spectrum
B. action spectrum
C. efficiency spectrum
D. reflection spectrum
Answer» C. efficiency spectrum
Discussion
3.

Carotenoids dissipate absorbed energy as heat.

A. True
B. False
Answer» B. False
Discussion
4.

What are carotenoids?

A. pigments
B. cell organelles
C. terrestrial plants
D. granulated thylakoids
Answer» B. cell organelles
Discussion
5.

Which atoms are present in the porphyrin of a chlorophyll molecule?

A. iron
B. magnesium
C. calcium
D. sulphur
Answer» C. calcium
Discussion
6.

Which part of the chlorophyll is responsible for absorption of light?

A. hydrophobic phytol chain
B. porphyrin ring
C. thylakoid membrane
D. outer membrane
Answer» C. thylakoid membrane
Discussion
7.

Pigments absorb light of particular wavelengths.

A. True
B. False
Answer» B. False
Discussion
8.

Photon of light of higher wavelength has _____________ energy.

A. higher
B. lower
C. intermittent
D. dissipated
Answer» C. intermittent
Discussion
9.

Which types of molecules are synthesized in light-independent (dark) reactions?

A. proteins
B. glycolipids
C. carbohydrates
D. nucleic acids
Answer» D. nucleic acids
Discussion
10.

Energy absorbed from sunlight is stored as chemical energy in which of the following biomolecules?

A. ATP, ADP
B. ATP, NADPH
C. NAD, FAD
D. NADH2, ATP
Answer» C. NAD, FAD
Discussion