Fsc part 2 online preparation for biology chapter 21 (Cell Cycle)

Online Short Questions For Chapter 7 "12th Class Biology Chapter 21 Short Questions Preparation "

Try The Short Questions For 12th Class Biology Chapter 21 Short Questions Preparation

  • Total Questions10

  • Available Sets4

Start Test Download PDF

Biology - 12th Class Biology Chapter 21 Short Questions Preparation

Question # 1

Give four importance of mitosis.

  • Ans 1: i) It transfers unchanged genetic information to the daughter cells
    ii) It helps in all types of asexual reproduction like cloning,tissue culture etc
    iii) It helps in healing of wounds
    iv) It maintains the chromosomes number constant.
Submit

Prepare Complete Set Wise Questions For Chapter 7 "12th Class Biology Chapter 21 Short Questions Preparation "

12th Class Biology Chapter 21 Short Questions Preparation - Set 1

Question # 1

Give four importance of mitosis.

  • Ans 1: i) It transfers unchanged genetic information to the daughter cells
    ii) It helps in all types of asexual reproduction like cloning,tissue culture etc
    iii) It helps in healing of wounds
    iv) It maintains the chromosomes number constant.
Submit

12th Class Biology Chapter 21 Short Questions Preparation - Set 2

Question # 1

Write down the two functions of programmed death of a cell.

  • Ans 1: Programmed cell death helps in proper control of multicellular development which lead to deletion of entire structure (e.g, the tail of developing human embryos) or part of structure (e.g tissue between developing digits.)
Submit

12th Class Biology Chapter 21 Short Questions Preparation - Set 3

Question # 1

Give only cause of Down's syndrome and Klinefelter syndrome.

  • Ans 1: These are meiotic errors due to non disjunction and due to unequal distribution of chromosomes.
Submit

12th Class Biology Chapter 21 Short Questions Preparation - Set 4

Question # 1

What is Klinfelter's syndrome?

  • Ans 1: The individual have an additional sex chromosome i.e,47.(44+xxy).They are phenotypically male but have frequently enlarged breast,tendency to tallness,obesity,small testes with no sperms at ejaculation and under development of Secondary sex characters.
Submit

ic-science-white
Biology
21th Chapter

12th Class Biology Chapter 21 Short Questions

Here you can prepare 12th Class Biology Chapter 21 (Cell Cycle). Click the button for 100% free full practice.

Start Chapter 21 Preparation

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!