Explore topic-wise MCQs in Biology.

This section includes 21 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 major role of golgi bodies is [BHU 1987, 89; CPMT 1996]

A. Fermentation
B. Phosphorylation
C. Glycosidation
D. Translocation
Answer» D. Translocation
2.

Endoplasmic reticulum is more developed in [MP PMT 1999]

A. Green cells
B. Young cells
C. Mature cells
D. Bacteriophage
Answer» C. Mature cells
3.

Main function of dictyosomes is [CPMT 2005]

A. Respiration
B. Storage
C. Secretion
D. Breakdwon of fats
Answer» C. Secretion
4.

Which is not function of golgibody [RPMT 1999]

A. Secretion
B. Formation of plasmamembrane
C. Fat synthesis
D. Cell wall formation
Answer» D. Cell wall formation
5.

"Endoplasmic reticulum'' was discovered by [MP PMT 2000]

A. Porter
B. Altmann
C. Golgi
D. Benda
Answer» B. Altmann
6.

When the region of endoplasmic reticulum are studded by ribosome on their outer surface of the cisternae, it is called [Pb. PMT 1999; AIIMS 2000]

A. Sarcoplasmic reticulum
B. Smooth endoplasmic reticulum
C. Granular endoplasmic reticulum
D. None of the above
Answer» D. None of the above
7.

Centrosome is found in [DPMT 1991]

A. Nucleus
B. Nucleolus
C. Cytoplasm
D. Chromosomes
Answer» D. Chromosomes
8.

"Microtubules'' were discovered by

A. De Robertis and Franchi
B. Watson and Crick
C. Jacob and Monad
D. Zinder and Lederberg
Answer» B. Watson and Crick
9.

The basal bodies at the base of flagella and cillia are

A. Ribosome
B. Kinetosome
C. Kinetoplast
D. Dictyosome
Answer» C. Kinetoplast
10.

Flagella with single strand and composed of flagellin is found in[J & K CET 2002]

A. Prokaryotes
B. Eukaryotes
C. Both (a) and (b)
D. None of these
Answer» B. Eukaryotes
11.

A mature plant cell has [MP PMT 1999, 2000]

A. Cell wall and protoplasm
B. Protoplasm and vacuole
C. Vacuole and cell wall
D. Protoplasm, cell wall and vacuole
Answer» E.
12.

The internal layer joining the primary walls of the two adjacent cells is known as [CPMT 1989; MP PMT 1994]

A. Plasmodesmata
B. Middle lamella
C. Periderm
D. Casparian strip
Answer» C. Periderm
13.

Which one is not a component of normal cell wall

A. Lignin
B. Pectin
C. Suberin
D. Protein
Answer» E.
14.

How many microfibrils combine to form a fibril of cellulose

A. 50
B. 100
C. 200
D. 250
Answer» E.
15.

Longest cell of plants is found in

A. Victoria amazonica
B. Eucalyptus
C. Boehmeria nivea
D. Sequoia
Answer» D. Sequoia
16.

Robert Hooke used the term cell in the year [BHU 2004]

A. 1650
B. 1665
C. 1865
D. 1960
Answer» C. 1865
17.

Which of the following is absent in prokaryotes [DPMT 1981; KCET 2005]

A. DNA
B. RNA
C. Plasma membrane
D. Mitochondria
Answer» E.
18.

The cell theory states that [CPMT 1972; BHU 1980; MP PMT 1995]

A. All cells have nuclei
B. All cells are totipotent
C. Cells reproduce by mitosis
D. Cells are the basic structural units of living beings
Answer» E.
19.

The inherent capacity of a cell to regenerate a new whole organism is called [Kerala CET 2003]

A. Ontogeny
B. Totipotency
C. Phycogeny
D. Differentiation
Answer» C. Phycogeny
20.

Which one of the following is a prokaryote [BHU 1986]

A. Agaricus
B. Salmonella
C. Green algae
D. Bacteriophage
Answer» C. Green algae
21.

Who proposed the "Cell theory'' [BHU 1982, 83, 2002; MP PMT 1995, 96, 98, 2001, 05; CPMT 1972, 76, 86, 88, 91, 98; Kerala CET 2003; HP PMT 2005]

A. Schleiden and Schwann
B. Watson and Crick
C. Mendel and Morgan
D. Robert Hooke
Answer» B. Watson and Crick