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

How Implantation differes from gestation?

  • Ans 1: Implantation: Implantation is when the new human created at fertilization implants in the uterus. The newly created offspring,technically referred to as a blastocyst,travels to the uterus through the fallopian tube and implants in the wall of the uterus.
  • Ans 2: Gestation: Gestation means carrying the embryo inside the females uterus.
    It is the time period from conception to birth of the child.
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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

How Implantation differes from gestation?

  • Ans 1: Implantation: Implantation is when the new human created at fertilization implants in the uterus. The newly created offspring,technically referred to as a blastocyst,travels to the uterus through the fallopian tube and implants in the wall of the uterus.
  • Ans 2: Gestation: Gestation means carrying the embryo inside the females uterus.
    It is the time period from conception to birth of the child.
Submit

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

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 3

Question # 1

How seedless fruit are formed?

  • Ans 1: Seedless fruit are also called parthenocapic fruits they formed without fertilization. It may be formed naturally as in banana and may formed artificially like seedless grapes.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 4

Question # 1

Define phytochromes and give its types.

  • Ans 1: Phytochromes are blue light sensitive proteins which receives the stimulus for flowering. They are of two type i.e, P660or red phytochrome and P730 or far red phytochrome.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 5

Question # 1

Give two disadvantages of cloning.

  • Ans 1: The entire organism produced by cloning are identical to each other and no genetic variability is produced.
  • Ans 2: All the organism will not show any resistant to disease if it outbreaks and all the generation will be died.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 6

Question # 1

What are phytochromes?

  • Ans 1: Phytochromes are blue light sensitive proteins found in plants. They exist in two form i.e,P660 andP730. They play an important role in photoperiodism.
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18th Chapter

12th Class Biology Chapter 18 Short Questions

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