Worksheets11-cell cycle and division
Total questions: 15
Worksheet time: 18mins
Which statement is NOT true about interphase?
It's the longest phase of the cell cycle
During interphase organelles duplicate
During interphase, DNA replicates
During interphase, the chromatin condenses into chromosomes.
Assertion : The process of pairing of the chromosomes is called synapsis.
Reason :Synapsis occurs during leptotene stage.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion
Assertion is true but Reason is false
Both Assertion and Reason are false
Assertion : The crossing over is an enzyme-mediated process.
Reason :The enzyme involved in crossing over is lyase.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion
Assertion is true but Reason is false
Both Assertion and Reason are false
Assertion : The final stage of meiotic prophase l is diplotene.
Reason :Diplotene is marked by terminalisation of chiasmata.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion
Assertion is true but Reason is false
Both Assertion and Reason are false
Assertion : The stage between the two meiotic divisions is called interkinesis.
Reason :Interkinesis is generally short lived.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion
Assertion is true but Reason is false
Both Assertion and Reason are false
Mitotic spindle is mainly composed of_________ protein.
tubulin
myosin
actin
actomyosin
Read the following statements.
(i) In mitotic cell division chromosome number is halved.
(ii) Centromere is the point where two sister chromatids are held together.
(iii) The period between two successive mitotic divisions is known as telophase.
(iv) In G1 phase of cell cycle protein and RNA are synthesized.
Which of the above given statements are correct?
(i) and (iii) only
(ii) and (iii) only
(i) and (iv) only
(ii) and (iv) only
