Explore topic-wise MCQs in Biology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Largest group in Animal Kingdom is

A. Mollusca
B. Amphibia
C. Arthropods
D. Reptilia
Answer» D. Reptilia
2.

Column-I Column-IIA.The name of the genus begins with a letter.P.underlinedB.The name of the species begin with a letter.Q.smallC. When printed the scientific name is in a letter.R.italicsD.When written by hand the scientific name is a letter.S.capitals 

A. A-Q;B-R;C-S;D-P
B. A-P;B-Q;C-R;D-S
C. A-S;B-R;C-Q;D-P
D. A-S;B-Q;C-R;D-P
Answer» E.
3.

Venus fly trap is a

A. Bryophyta
B. Pteridophyta
C. Gymnosperm
D. Angiosperm
Answer» E.
4.

Which of the following phase follows S and G2 phases of interphase?

A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Answer» B. Metaphase
5.

Which phase of cell cycle is known as quiescent stage?

A. M phase
B. G0 phase
C. G1 phase
D. S phase
Answer» C. G1 phase
6.

Mitochondria supply most of the necessary biological energy by

A. Breaking down of sugar
B. Oxidizing substrates of TCA cycle
C. Reducing NADP
D. Breaking down of protein
Answer» C. Reducing NADP
7.

In cell cycle, DNA replication takes place in

A. G1 phase
B. G2 phase
C. Mitotic metaphase
D. S phase
Answer» E.
8.

Which of the following is a part of endomembrane system of eukaryotic cell?

A. Peroxisomes
B. Chloroplasts
C. Mitochondria
D. Golgi complexes
Answer» E.
9.

What part of the cell serves as the intracellular highway?

A. Endoplasmic reticulum
B. Golgi apparatus
C. Cell membrane
D. Mitochondria
Answer» B. Golgi apparatus
10.

The chromosome number in humans is

A. 94
B. 23
C. 46
D. 22
Answer» D. 22
11.

Human cheek cells are commonly stained with

A. methylene blue
B. safranin
C. acetocarmine
D. eosine
Answer» B. safranin
12.

Silver nitrate solution is used to study

A. endoplasmic reticulum
B. Golgi apparatus
C. nucleus
D. mitochondria
Answer» C. nucleus
13.

Which one among the following groups of animals maintains constant body temperature in changing environmental conditions? [CDS]

A. Birds
B. Fishes
C. Amphibians
D. Reptiles
Answer» B. Fishes
14.

Which one of the following is a free living bacterium that helps in nitrogen fixation in soil? [CDS]

A. Azotobacter
B. Anabaena
C. Azolla
D. Nostoc
Answer» B. Anabaena
15.

Bryophytes are photosynthetic but do not have vascular tissue and true roots. This feature enables them to resemble with which of the following? [CDS]

A. Fungi
B. Algae
C. Pteridophytes
D. Angiosperms
Answer» C. Pteridophytes