Second Year Biology Chapter 18 Short Questions Online Preparation (Reproduction)

Online Short Questions For Chapter 4 "12th Class Biology Chapter 18 Short Questions Preparation "

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Biology - 12th Class Biology Chapter 18 Short Questions Preparation

Question # 1

Define vernalisation. Give its one importance.

  • Ans 1: Chilling treatment given to seeds before sowing is called vernalisation.
    Its importance is as follows:
  • Ans 2: It ensure that all the members of a species flower at the same time.
  • Ans 3: It also synchronize the reproductive behavior of the plant wit their environment.
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Prepare Complete Set Wise Questions For Chapter 4 "12th Class Biology Chapter 18 Short Questions Preparation "

12th Class Biology Chapter 18 Short Questions Preparation - Set 1

Question # 1

Define vernalisation. Give its one importance.

  • Ans 1: Chilling treatment given to seeds before sowing is called vernalisation.
    Its importance is as follows:
  • Ans 2: It ensure that all the members of a species flower at the same time.
  • Ans 3: It also synchronize the reproductive behavior of the plant wit their environment.
Submit

12th Class Biology Chapter 18 Short Questions Preparation - Set 2

Question # 1

What is corpus luteum? Give its function.

  • Ans 1: The follicle cells after release of the egg are modified to from a special structure called corpus leuteum. It produces progesterone.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 3

Question # 1

Define parthenocarpy with example.

  • Ans 1: Formation of fruit without fertilization is called parthenocarpy. For example seedless grapes and banana.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 4

Question # 1

Define parthenocarpy. How it is artificially induced?

  • Ans 1: Formation of fruit without fertilization is called parthenocarpy. It is artificially can be induced by applying synthetic auxin(NAA).
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12th Class Biology Chapter 18 Short Questions Preparation - Set 5

Question # 1

What are test tube babies?

  • Ans 1: Parental sperms and ovum is fertilized in vitro,(outside the female body) and then zygote is implanted back into mother uterus, placenta established and remaining development takes place in the body of the mother leading to normal birth.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 6

Question # 1

What are test tube babies?

  • Ans 1: Parental sperms and ovum is fertilized in vitro,(outside the female body) and then zygote is implanted back into mother uterus, placenta established and remaining development takes place in the body of the mother leading to normal birth.
Submit

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18th Chapter

12th Class Biology Chapter 18 Short Questions

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