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

Differentiate between isomorphic and heteromorphic generation.

  • Ans 1: Isomorphic:If gemetophtye and sporophyte generation are vegetatively and morphologically similar then they are called isomorphic generation.
  • Ans 2: Heteromorphic: Ifgametophyte and sporophyte generations are vegetatively and morphologically dissimilar then they are called heteromorphic generations
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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

Differentiate between isomorphic and heteromorphic generation.

  • Ans 1: Isomorphic:If gemetophtye and sporophyte generation are vegetatively and morphologically similar then they are called isomorphic generation.
  • Ans 2: Heteromorphic: Ifgametophyte and sporophyte generations are vegetatively and morphologically dissimilar then they are called heteromorphic generations
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12th Class Biology Chapter 18 Short Questions Preparation - Set 2

Question # 1

Write about the disease syphilis? Or Give causes and symptoms of syphilis?

  • Ans 1: It is caused by a spirochete, Treponema pallidum. It damages the reproductive organs,eyes,bones,joints,CNS,heart and skin. Sexual contact is major source of its spread.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 3

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 4

Question # 1

For which the abbreviation of STD is used?

  • Ans 1: This abbreviation stands for sexually transmitted diseases.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 5

Question # 1

Differentiate between parthenocarpy and apomixes.

  • Ans 1: Apomixes: In apomixes a diploid cell either from the nucellus or megaspore develops into a functional embryo in the absence of a male gamete.The rest of the ovule develops into seed and ovary into fruit.
  • Ans 2: Parthenocarpy: 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 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.
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12th Class Biology Chapter 18 Short Questions

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