Can You Answer These Biology MCQs?

18 Questions | By Themes | Last updated: Mar 19, 2022 | Total Attempts: 26

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Can You Answer These Biology MCQs? - Quiz

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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