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Standard XII
Chemistry
Isomerisation of Alkynes
87.What is th...
Question
87.What is the difference between diplotene and diakinesis?
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Q.
Pick out the item which has sequential arrangement.
i)
Z
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P
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p
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ii)
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→
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L
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D
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iii)
L
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p
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→
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y
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Q.
Pick out the item which has sequential arrangements.
a) Zygotene
→
Leptotene
→
Pachytene
→
Diplotene
→
Diakinesis.
b) Diakinesis
→
Zygotene
→
Leptotene
→
Pachytene
→
Diplotene
c) Leptotene
→
Zygotene
→
Pachytene
→
Diplotene
→
Diakinesis.
Q.
Arrange the following events of meiosis I in the correct order:
(i) Diplotene
(ii) Pachytene
(iii) Zygotene
(iv) Diakinesis
(v) Leptotene
Q.
Prophase of the first meiotic division is typically longer and complex. It is subdivided into
5
phases: leptotene, zygotene, pachytene, diplotene and diakinesis. Which of the following statements is not correct of these phases?
Q.
Match the following with respect to meiosis:
Select the correct option from the following:
Column I
Column II
a. Zygotene
(i) Terminalization
b. Pachytene
(ii) Chiasmata
c. Diplotene
(iii) Crossing over
d. Diakinesis
(iv) Synapsis
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