Biology Multiple Choice Questions and Answers for Different Competitive Exams

Multiple Choice Questions on Cell Cycle

1. In a somatic cell cycle, DNA synthesis takes place

Cell Cycle
a) G 1 phase
b) G2 prophase
c) S phase
d) Prophase of mitosis
2. In somatic cell cycle
a) in G1 phase DNA content is double the amount of DNA present in the origin cell
b) G 2 phase follows mitotic phase
c) a short interphase is followed b along mitotic phase
d) DNA replication takes place is S phase
3. Microtubule is involved in the
a) Cell division
b) DNA recognition
c) Muscle contraction
d) Membrane contraction
4. Mitotic spindle is mainly composed of which protein?

Mitotic Spindle
a) Actin
b) Myosin
c) Mygloboin
d) Actomyosin
5. At which stage of the cell cycle are histone proteins synthesized in a eukaryotic cell?

Chromatin and Chromosomes
a) During telophase
b) During S phase
c) During G2 stage of prophase
d) During entire prophase
6. Best material for the study of mitosis in laboratory is
a) anther
b) Root tip
c) Leaf tip
d) Ovary
7. Which one of the following precedes reformation of the nuclear envelope during M phase of cell cycle?
a) Decondensation from chromosomes, and reassembly of the nuclear lamina
b) Transcription from chromosomes, and reassembly of the nuclear lamina
c) Formation of the contractile ring, and formation of the phragmoplast
d) Formation of the contractile ring, and transcription from chromosomes
8. A cell  divides every one minute. At this rate of division it can fill a 100 ml of beaker in one hour. How much time does it take to fill a 50 ml of beaker?
a) 29 minutes
b)  30 minutes
c) 59 minutes
d) 60 minutes
9.  Cell plate formation is present in

cytokinesis in plants
a) bacterial cell
b) viruses
c) animal cell
d) plant cell
10. Which typical stage is known for DNA replication?
a) S-phase
b) G1 phase
c) G2 phase
d) Metaphase
Learn more:
Answers
1. c) S phase
2. d) DNA replication takes place is S phase
3. a) Cell division
4. d) Actomyosin
5. b) During S phase
6. b) Root tip
7. c) Formation of the contractile ring, and formation of the phragmoplast
8. c) 59 minutes
9. d) plant cell
10. a) S-phase

Sharing is Caring ..... Please take 5 seconds to Share. Thank you...

© MCQ Biology - Learning Biology through MCQs, AllRightsReserved. ***Best viewed in Google Chrome and Mozilla firefox***

Maintained by BE4U