Cell Cycle and Cell Division Questions and Answers Part-3

1. Cells at the end of prophase, when viewed under the microscope, do not show
a) Golgi body and ER
b) Nucleolus
c) Nuclear envelop
d) All of these

Answer: d
Explanation: All of these

2. Which of the following initiates the start of metaphase?
a) Completion of bivalent chromosome formation
b) Assemblage of microtubules of nucleoplasm
c) Complete disintegration of nuclear envelope
d) Duplication of chromosome

Answer: c
Explanation: Complete disintegration of nuclear envelope

3. Metaphase is not characterized by
a) Complete condensation of chromosome
b) Alignment of chromosome on metaphase plants
c) Attachment of spindle fibre to kinetochore
d) Splitting of chromosome

Answer: d
Explanation: Metaphase is not characterized by splitting of chromosome

4. Indentify A, B, C and D in the below mitosis diagram.
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a) A–Transition to Metaphase, B–Metaphase, C–Early Prophase, D–Late Prophase
b) A–Late Prophase, B–Transition to Metaphase, C–Metaphase, D–Early Prophase
c) A–Early Prophase, B–Late Prophase, C–Transition to Metaphase, D–Metaphase
d) A–Metaphase, B–Early Prophase, C–Late Prophase, D–Transition to Metaphase

Answer: c
Explanation: A–Early Prophase, B–Late Prophase, C–Transition to Metaphase, D–Metaphase

5. Anaphase is characterized by
a) Splitting of centromere
b) Separation of chromatids
c) Movement of chromatid to opposite pole
d) All of these

Answer: d
Explanation: All of these

6. Events of telophase are
a) Chromosomes cluster at opposite spindle poles and their identity is lost as discrete elements.
b) Nuclear envelope assembles around the chromosome cluster.
c) Nucleolus, Golgi complex and ER reforms
d) All the above

Answer: d
Explanation: All the above

7. Furrow formation does not occur in plant cell during cytokinesis because of
a) Extensible cell wall
b) Inextensible cell wall
c) Extensible plasma membrane
d) Inextensible plasma membrane

Answer: b
Explanation: Furrow formation does not occur in plant cell during cytokinesis because of inextensible cell wall

8. Select the total number of correct statement:
I. Cell-plate formation occurs in plant cell during cytokinesis.
II. During cytokinesis mitochondria and plastid gets distributed between two daughter cells in mitosis.
III. Liquid endosperm in coconut is syncytium.
IV. Furrow formation occurs in Animal cell during cytokinesis
a) 1
b) 2
c) 3
d) 4

Answer: d
Explanation: 4

9. Cell which divides by mitosis is
a) Upper layer of epidermis
b) Cells lining gut
c) Stem cells
d) All of these

Answer: d
Explanation: All of these

10. Plant shows continuous growth throughout their life because of
a) Mitosis
b) Amitosis
c) Meiosis
d) None of these

Answer: a
Explanation: Plant shows continuous growth throughout their life because of Mitosis