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

Name the hormones that stimulate mammary glands for lactation.

  • Ans 1: Leutotropic hormone (LTH) and placental lactogen both stimulate mammary glands to produce milk.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 3

Question # 1

Give the role of oxytocin.

  • Ans 1: Oxytocin of ovum from the ovary is called ovulation
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12th Class Biology Chapter 18 Short Questions Preparation - Set 4

Question # 1

Describe the process of cloning.

  • Ans 1: In animals especially vertebrate animals, a nucleus from the somatic cell is removed and introduced into an egg cell, whose nucleus has been destroyed by using UV light. The egg with transplanted to the parent who has contributed the nucleus.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 5

Question # 1

What are advantage of cloning?

  • Ans 1: Cloning has the advantage that all the offspring behave similarly.
  • Ans 2: All the members of a clone have similar feature like their parent.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 6

Question # 1

Name various parts of male reproductive system in male.

  • Ans 1: Tastes, penis, Vas defference,epididymus
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12th Class Biology Chapter 18 Short Questions

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