Biology
Match the events given in column A with the phase in mitotic cell division in column B
| Column "A" | Column "B" |
|---|---|
| (a) Chromosomes get arranged in a horizontal plane at the equator. | Anaphase |
| (b) Daughter chromosomes move to the opposite poles of a spindle. | Prophase |
| (c) Chromosomes become visible as fine long threads. | Telophase |
| (d) Chromosomes lose their distinctiveness and gradually become transformed into a chromatin network. | Metaphase |
Answer
| Column “A” | Column “B” |
|---|---|
| (a) Chromosomes get arranged in a horizontal plane at the equator. | Metaphase |
| (b) Daughter chromosomes move to the opposite poles of a spindle. | Anaphase |
| (c) Chromosomes become visible as fine long threads. | Prophase |
| (d) Chromosomes lose their distinctiveness and gradually become transformed into a chromatin network. | Telophase |
Related Questions
Name the following:
(a) The repeating components of each DNA strand lengthwise.
(b) The complex structure consisting of DNA strand and a core of histones.
(c) The type of bond which joins the complementary nitrogenous bases.
(d) The three components of nucleotide.
Imagine one cell (A) has undergone one mitotic division and another cell (B) has completed its meiotic division. How many daughter cells would the two produce?
Cell A: ……………………….
Cell B: ………………………..Fill in the blanks
(a) DNA replicates in the …………… phase of the cell cycle.
(b) Mitosis occurs in our …………… cells.
(c) Meiosis occurs only in …………… cells.
(d) Modern humans have 46 chromosomes. Their sperms and eggs will have …………… chromosomes each.
(e) During the pairing of chromosomes in meiosis, the …………… chromosomes come to lie side by side.
(f) The two non-sister chromatids of a paired chromosome are attached to each other at …………… during the process of crossing over.
Name these:
(a) Two main constituents of Chromatin
(b) Two kinds of Nucleic acids
(c) Three components of a Nucleotide
(d) Four Nitrogenous bases
(e) Two kinds of Nitrogenous bases
(f) Two components of Nucleosome
(g) Two kinds of Cell division
(h) Four main phases of Karyokinesis
(i) Two steps of the process Mitosis
(j) Two kinds of haploid cells of human body