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. -carotene
B. chlorophyll
C. chloroplast
D. thylakoid
Answer» B. chlorophyll
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
3.

Carotenoids dissipate absorbed energy as heat.

A. True
B. False
Answer» B. False
4.

What are carotenoids?

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

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

A. iron
B. magnesium
C. calcium
D. sulphur
Answer» C. calcium
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
7.

Pigments absorb light of particular wavelengths.

A. True
B. False
Answer» B. False
8.

Photon of light of higher wavelength has _____________ energy.

A. higher
B. lower
C. intermittent
D. dissipated
Answer» C. intermittent
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
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. NADH<sub>2</sub>, ATP
Answer» C. NAD, FAD