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Choose the correctly matched pairs and c...

Choose the correctly matched pairs and correct option
(a) Leptotene - chromosomes become invisible
(b) Zygotene - pairing of homologous chromosomes
`(c)`Pachytene - Dissolution of synaptonemal complex takes place
(d) Diplotene - Bivalent chromosomes appear as tetrads
(e) Diakinesis - Terminalisation of chiasmata takes place

A

a, b correct

B

a,d correct

C

b,e correct

D

b,c correct

Text Solution

Verified by Experts

The correct Answer is:
C
Zygotene- pairing of homologous chromosomes
Diakinesis- terminalisation of chiasmata takes place.
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Match the columns. {:(,"Column -I","Column -I"),((a),"Leptotene",(i)"Chiasmata"),((b),"Zygotene",(ii)"Chromosomes visible"),((c),"Pachytene",(iii) "The pairing of homologous chromosome "),((d),"Diplotene",(iv)"Clear appearance of tetrads"):}

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Mathc the stages of meisos in Column I to their characteristic features in Column II and select the correct option using the codes given below {:("Column-I","Column-II"),("Pachytene","(i)Pairing of homologous chromosomes"),("Metaphase I","(ii)Terminalization of chiasmata"),("Diakinesis","(iii)Crossing-over takes place"),("Zygotene","(iv)Chromosomes align at aquatorial plate"):}

Name the stage of cell cycle at which one of the following events occur: (i) Chromosomes are moved to spindle equator (ii) Centromere splits and chromatids separate (iii) Pairing between homologous chromosomes takes place (iv) Crossing over between homologous chromosomes takes place

A2Z-CELL CYCLE AND CELL DIVISION-Section C: Previous Years' Examination Questions (NEET / AIPMT Questions)
  1. Identify the meiotic sage in which the homologous chromosomes separate...

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  2. Yeast cell can progress through the cell cycle in about

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  3. Choose the correctly matched pairs and correct option (a) Leptotene ...

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  4. Which is not characteristic of telophase 1. Chromatin condenses to f...

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  5. A stage in mitosis that starts towards the middle of anaphase and is c...

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  6. What is incorrect about G(0)

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  7. Beads on string like structures of A are seen in B, which further cond...

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  8. Colchicine interferes with cell division because of

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  9. The complex formed by a pair of synapsed homologous chromosomes is cal...

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  10. A stage in cell division is shown in the figure. Select the answer whi...

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  11. During meiosis I , the chromosomes start pairing at

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  12. During the metaphase stage of mitosis, spindle fibres attach to chromo...

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  13. Identify the stage of mitosis with its characteristics

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  14. In onion root tip during metaphase stage of mitosis the number of kine...

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  15. In a diploid cell, at which stage of cell cycle, the amount of DNA is ...

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  16. Interval between two successive cell divisions is called

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  17. A bacteria divides in every one minute. A cup is filled in one hour. T...

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  18. Which of the following is not the characteristic of prophase-I ?

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  19. Centromere split in which stage of cell division

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  20. In 'S' phase of the cell cycle

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