Explore topic-wise MCQs in Biology.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

The method by which leaf pigments of any green plants can be separated is called as _____

A. condensation
B. centrifugation
C. paper chromatography
D. distillation
Answer» D. distillation
2.

Which of the following is the correct equation of photosynthesis?

A. 6CO2 + 12H2O → C6H12O6 + 6H2O + 6O2
B. 12H2O → C6H12O6 + 6H2O + 6O2
C. 6CO2 + 6O2 → C6H12O6 + 12H2O
D. 6CO2 → C6H12O6 + 6H2O + 6O2
Answer» B. 12H2O → C6H12O6 + 6H2O + 6O2
3.

Joseph Priestley did his experiments with which organism?

A. Chlorella
B. Mint plant
C. Green sulfur bacteria
D. Cladophora
Answer» C. Green sulfur bacteria
4.

The first action spectrum based on photosynthesis was given by ______

A. Jan Ingenhousz
B. Joseph Mathew
C. Cornelius Van Neil
D. T. W. Engelmann
Answer» E.
5.

Who found the presence and properties of glucose in green plants?

A. T. W. Engelmann
B. C. Van Neil
C. Julius Von Sachs
D. Jan Ingenhousz
Answer» D. Jan Ingenhousz
6.

Which scientist showed that only the green part of the plants will release oxygen?

A. Jan Ingenhousz
B. Joseph Priestly
C. C. Van Neil
D. T. W. Engelmann
Answer» B. Joseph Priestly
7.

Chlorophyll b is the major pigment associated with photosynthesis.

A. True
B. False
Answer» C.
8.

A compound was used in the half leaf experiment to absorb CO2. This compound is ______

A. KMNO4
B. HCl
C. NaOH
D. KOH
Answer» E.
9.

The half leaf experiment showed that _____ is important for photosynthesis.

A. O2
B. CO2
C. Sunlight
D. Chlorophyll
Answer» C. Sunlight
10.

Which is correct regarding photosynthesis?

A. Carbon dioxide is obtained from the atmosphere
B. Water is absorbed from the soil through the stem system
C. Sunlight is trapped by pigments called xanthophyll
D. Chlorophyll absorbs green light
Answer» B. Water is absorbed from the soil through the stem system
11.

The process in which green plants synthesize organic food by utilizing carbon dioxide and water as raw materials, in the presence of sunlight is called as ______

A. Respiration
B. Food synthesis
C. Photosynthesis
D. Light synthesis
Answer» D. Light synthesis