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Which of the following graph given in the options shows the relative change in the amount of mitochondrial DNA of a cell undergoing mitosis:

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Important Questions on Cell Cycle and Cell Division

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Biology Crash Course NEET>Chapter 10 - Cell Cycle and Cell Division>Level 2>Q 11

Which of the following is correct regarding the given figure?

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  Number of pairs of homologous chromosomes
Number of
chromatids
Number of
centromeres
(i) 3 6 12
(ii) 3 12 6
(iii) 6 6 12
(iv) 6 12 6
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Biology Crash Course NEET>Chapter 10 - Cell Cycle and Cell Division>Level 2>Q 12
In the prophase of mitosis,---------------- are formed.
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Biology Crash Course NEET>Chapter 10 - Cell Cycle and Cell Division>Level 2>Q 13
Four different steps that occur during meiosis are given in the following list.
(i) Complete separation of chromatids
(ii) Pairing of homologous chromosomes
(iii) Lining up of paired chromosomes on equator
(iv) Crossing over between chromatids
Select the correct sequential arrangement of the steps.
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Biology Crash Course NEET>Chapter 10 - Cell Cycle and Cell Division>Level 2>Q 14
Chromosomes exhibit minimum coiling during
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Biology Crash Course NEET>Chapter 10 - Cell Cycle and Cell Division>Level 2>Q 15
Diplotene stage of prophase-l is characterised by:
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Biology Crash Course NEET>Chapter 10 - Cell Cycle and Cell Division>Level 2>Q 17
Due to the occurrence of this phenomenon in Meiosis, the evolution of organisms takes place.
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Biology Crash Course NEET>Chapter 10 - Cell Cycle and Cell Division>Level 2>Q 18
Identify the different stages with respect to the above given features and select the correct option.
(i) Thin thread like chromosomes with a beaded appearance
(ii) Appearance of recombination nodules
(iii) Formation of bivalents/tetrads
(iv) Terminalisation of chiasmata
(v) Appearance of chiasmata
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Biology Crash Course NEET>Chapter 10 - Cell Cycle and Cell Division>Level 2>Q 19
The given graph shows the change in DNA content during various phases ( A to D ) in a typical mitotic cell cycle. Identify the phases and select the correct option.
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