Can You Answer These Biology MCQs?
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- 1.A cell at G1 phase that contains 50 ng of DNA, after the end of mitosis each of the daughter cell will be:
- A.
50 ng
- B.
25 ng
- C.
100 ng
- D.
None of these above
- 2.When a plant cell that has 100 ng of the DNA at G2 undergoes meiosis, the amount of DNA at prophase is:
- A.
100 ng, 50 ng
- B.
50 ng, 25 ng
- C.
100 ng, 25 ng
- D.
25 ng,12.5 ng
- 3.Chromosomes will align at the equator of the dividing cell during the:
- A.
Prophase
- B.
Metaphase
- C.
Anaphase
- D.
Telophase
- E.
Cytokinesis
- 4.Chromosomes will migrate towards the poles of a dividing cell during:
- A.
Prophase
- B.
Anaphase
- C.
Metaphase
- D.
Telophase
- 5.During_______, homologous chromosomes arrange along their length as pairs in a process called ________ and form what is called __________.
- A.
Prophase ||, crossing over , recombinant chromosomes
- B.
Prophase | , crossing over, recombinant chromosomes
- C.
Prophase|| , synapsis, recombinant chromosomes
- D.
Prophase ||, synapsis, tetrad
- E.
Prophase | , synapsis, terrad
- 6.During the cell cycle DNA will be replicated in the:
- A.
G1 phase
- B.
G2 phase
- C.
S phase
- D.
G0 phase
- 7.Cytokinesis in an animal cells occurs through _______ while in plant cells it occurs through_____
- A.
Cell plant formation, furrowing
- B.
Furrowing, cell plate formation
- C.
Fission, cell plate formation
- D.
Mitosis, furrowing
- 8.Homologous chromosomes will be separated during:
- A.
Anaphase
- B.
Anaphase |
- C.
Anaphase ||
- D.
Metaphase |
- 9.Division of the cytoplasm is called?
- A.
Cytokinesis
- B.
Mitosis
- C.
Meiosis
- D.
None of these above
- 10.Mitosis should be preceded by DNA duplication?
- A.
True
- B.
False
- 11.The longest phase of the cell cycle is?
- A.
Mitotic phase
- B.
Prophase
- C.
Interphase
- D.
Telophase
- 12.Ensuring that every thing is ready to go for S phase for DNA duplication is?
- A.
S check point
- B.
G2 check point
- C.
G1 check point
- D.
None
- 13.The control point that determined if the cell can go to M phase for division?
- A.
G1 check point
- B.
G2 check point
- C.
S check point
- D.
None
- 14.G0 is part of the cell cycle?
- A.
True
- B.
False
- 15.Despiralization happens during which phase?
- A.
Prophase
- B.
Metaphase
- C.
Anaphase
- D.
Telophase
- 16.The chromosomes don't replicate before the second division in mitosis?
- A.
True
- B.
False
- 17.Crossing over occurs in:
- A.
Prophase ||
- B.
Prophase |
- C.
Anaphase ||
- D.
Anaphase |
- 18.During __________ , homologous pair of chromosomes are separated and cells become haploid
- A.
Meiosis
- B.
Meiosis |
- C.
Meiosis ||
- D.
None
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