Cell Cycle and Cell Divison MCQ Questions & Answers in Botany

31. Which is the character of mitosis

A Leptotene

B Zygotene

C Pachytene

D None of the above

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32. Thread like structure that are composed of the nuclear DNA of eukaryotic cells and are the carrier of genetic information. These structure were known as chromosomes. The term " chromosome" was given by

A Waldeyer

B Belbiani

C Purkinje

D Sutton

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33. Cell cycle can remain arrested at

A G1

B S

C G2

D M

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34. Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has

A About 2 turns of DNA

B 8 histone molecules of 4 types (2 mols each of H2 a, H2 b, H3 and H4)

C 200 nitrogen base pairs

D All of the above

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35. In which stage of cell cycle nucleus becomes bigger

A G1

B G2

C S

D M

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36. Each daughter chromosome in Anaphase moves towards opposite poles at the speed of 1 per minute with the expenditure of energy

A 5 ATP

B 30 ATP

C 38 ATP

D 200 ATP

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37. Golgi body originates from

A Lysosome

B endoplasmic reticulum

C Mitochondria

D Cell membrane

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38. The synaptonemal comlex was first observed by

A Moor (1905)

B Farmer and moore (1905)

C Mosses (1956)

D Flemming (1882)

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39. Separation of homologous chromosomes during Anaphase - I is called

A Synapsis

B Disjuction

C Nondisjuction

D Crossing over

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40. Bulk of histome proteins systhesized in

A G1-phase

B G2-phase

C S-phase

D G0-phase

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31. Which is the character of mitosis

32. Thread like structure that are composed of the nuclear DNA of eukaryotic cells and are the carrier of genetic information. These structure were known as chromosomes. The term " chromosome" was given by

33. Cell cycle can remain arrested at

34. Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has

35. In which stage of cell cycle nucleus becomes bigger

36. Each daughter chromosome in Anaphase moves towards opposite poles at the speed of 1 per minute with the expenditure of energy

37. Golgi body originates from

38. The synaptonemal comlex was first observed by

39. Separation of homologous chromosomes during Anaphase - I is called

40. Bulk of histome proteins systhesized in

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