PLUS ONE BOTONY QUESTIONS AND ANSWERS

Chapter 6
          CELL CYCLE AND CELL DIVISION

1. Name the type of cell division that ensures  equal distribution of  nucleus

Ans:- Mitosis

2. If the cell has 46 chromosome . How many chromosome would each daughter cell after mitosis

Ans:- 23

3. During which stage of pro phase  1 the crossing over take place

Ans:- leptin

4. By which method does cytokinesis take place in plant cell ?

Ans:-  cell plate formation

5. Name the phase of cell division in which the centromeres line up at the equator9 of the spindle

Ans:- metaphase

6. Name the term for equational division and reduction division

Ans:- Mitosis and miosis

7. Crossing over results the exchange of genetic material which occurs between

Ans:- Homologous chromosome

8. Each chromosome consists of ...... chromatids

Ans:- Eight

9. Two similar chromosome of each type
Present in diploid cell are called as

Ans:- Homologous chromosome

10. Polyploidy is properties of

Ans:- increasing the number of chromosome sets

11. Which aspect of Mitosis is affected by colchicin in including polyploidy


Ans:-  spindle formation

12. Pairing of Homologous chromosome can be seen during

Ans:-  zygotin

13.  The cell cycle of germinal cell has

Ans:- one reduction division followed by one mitotic division

14. Number of mitotic divisions required to produce 128 cell form a single cell is

Ans:-  7

15. During which stage of pro phase the crossing over take place

Ans:- pachytene

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