Cell Cycle and Cell Divison MCQ Questions & Answers in Botany

41. A cell is bound to divide , if it has entered

A G2- phase

B G1- phase

C Prophase

D S- phase

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42. Angular divergence of spindle decreases at

A Metaphase

B Early Anaphase

C Late Anaphase

D Telophase

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43. Constancy of the chromosome number in sexually producing generation is brought by the process of

A Meiosis

B Mitosis

C Amitosis

D None of the above

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44. Which of the following is the method of cytokinesis on plant cell

A By cell plate formation

B By Constriction

C By phragmoplast

D A and C both

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45. Cell wall of a cell is removed, the remaining is called

A Etioplast

B Aleuroplast

C Amyloplast

D Protoplast

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46. For studying meiosis the relevant plant material is usually fixed around

A 9-10 AM

B 4-5 AM

C 3-4 PM

D 12-PM

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47. Who divided cell cycle in four stages i. e. G1, s, G2 and M

A W. Flemming

B Strass burger

C Howard and Pelc

D Farmer

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48. In plants, active mitosis occur in

A Cambium

B Leaf tip

C Root base

D Mid vein

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49. The changes of Karyokinesis in mitosis occur in

A Cytoplasm

B Nucleus

C A and B both

D Nucleolus

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50. If a meristematic cell is placed in a medium containing radio active thymidine, radioactivity will be first observed in

A Euchromatin

B Hetero chromatin

C Both simultaneously

D None of the above

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41. A cell is bound to divide , if it has entered

42. Angular divergence of spindle decreases at

43. Constancy of the chromosome number in sexually producing generation is brought by the process of

44. Which of the following is the method of cytokinesis on plant cell

45. Cell wall of a cell is removed, the remaining is called

46. For studying meiosis the relevant plant material is usually fixed around

47. Who divided cell cycle in four stages i. e. G1, s, G2 and M

48. In plants, active mitosis occur in

49. The changes of Karyokinesis in mitosis occur in

50. If a meristematic cell is placed in a medium containing radio active thymidine, radioactivity will be first observed in

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