Fsc part 2 online preparation for biology chapter 19 (Growth and Development)

Online Short Questions For Chapter 5 "12th Class Biology Chapter 19 Short Questions Preparation "

Try The Short Questions For 12th Class Biology Chapter 19 Short Questions Preparation

  • Total Questions10

  • Available Sets4

Start Test Download PDF

Biology - 12th Class Biology Chapter 19 Short Questions Preparation

Question # 1

Write about cleavage and discoidal cleavage.

  • Ans 1: The series of mitotic divisions after fertilization of egg is called cleavage.Process of cell division is confined to the small disc of protoplasm laying on the surface of yolk at animal pole.This type of cleavage is called discoidal cleavage.
Submit

Prepare Complete Set Wise Questions For Chapter 5 "12th Class Biology Chapter 19 Short Questions Preparation "

12th Class Biology Chapter 19 Short Questions Preparation - Set 1

Question # 1

Write about cleavage and discoidal cleavage.

  • Ans 1: The series of mitotic divisions after fertilization of egg is called cleavage.Process of cell division is confined to the small disc of protoplasm laying on the surface of yolk at animal pole.This type of cleavage is called discoidal cleavage.
Submit

12th Class Biology Chapter 19 Short Questions Preparation - Set 2

Question # 1

Give the effect of temperature on plant growth.

  • Ans 1: Normal rate of growth increases with rise of temperature and decrease with decrease in temperature. For maximum growth the optimum temperature is 25 to 30oC and it is least at 5-10oC. But at very high temperature 35 to 40oC the rate of growth stops and plant may dies.
Submit

12th Class Biology Chapter 19 Short Questions Preparation - Set 3

Question # 1

What is difference between inhibitory effect and compensatory effect?

  • Ans 1: Inhibitory effect: Auxin diffuses from apical buds to the lateral buds or branches which inhibit the growth of lateral shoots is called inhibitory.
    Compensatory effect: When the apex is cut and diffusion of auxin is stopped to the lateral buds it releases the lateral buds from apical dominance is called compensatory effect.
Submit

12th Class Biology Chapter 19 Short Questions Preparation - Set 4

Question # 1

Define Regeneration.Give one example.

  • Ans 1: The ability to regain or recover the lost part or injured part of the body is called regeneration.For Example if lobster loses its pincer claw a new claw regenerates.
Submit

ic-science-white
Biology
19th Chapter

12th Class Biology Chapter 19 Short Questions

Here you can prepare 12th Class Biology Chapter 19 (Growth and Development). Click the button for 100% free full practice.

Start Chapter 19 Preparation

Is this page helpful?