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JIPMER 2015
Exam
JIPMER
Year
2015
Subject
Botany
Chapter
Cell Cycle and Cell Division

JIPMER 2015 · Botany · Cell Cycle and Cell Division

Match the following column I with column II. Column I Column II A....

Match the following column I with column II. <tableclass="qx−match−listqx−match−table"border="1"cellpadding="6"cellspacing="0"><tr><td><table class="qx-match-list qx-match-table" border="1" cellpadding="6" cellspacing="0"><tr><td>Column IColumn IIA.Carcinogen1.Cancerous tumourB.Anaphase-I2.DisjunctionC.Mitosis3.SynapseD.Zygotene4.Plectonemic coiling Codes

Options

  1. AABCD1243\begin{array}{llll}\mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} \\ 1 & 2 & 4 & 3\end{array}
  2. BABCD3142\begin{array}{llll}\mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} \\ 3 & 1 & 4 & 2\end{array}
  3. CABCD2314\begin{array}{llll}\mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} \\ 2 & 3 & 1 & 4\end{array}
  4. DABCD4132\begin{array}{llll}\mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} \\ 4 & 1 & 3 & 2\end{array}

Correct answer

A. ABCD1243\begin{array}{llll}\mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} \\ 1 & 2 & 4 & 3\end{array}

Step-by-step solution

Carcinogen causes cancerous tumour disjunction of chromosomes takes place in anaphase-I and II when chromosomes more to the opposite poles of the cell. Plectonemic coiling refers to inter-twining of a double helix DNA molecule in such a way that for its correction unwinding of DNA helix molecule is required, this take place in mitosis in which sister chromatids are tightly coiled upon each other. In zygotene stage, homologs login to synapse by coming to approximate alignment.
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