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

Write about the Gonorrhoea disease.

  • Ans 1: it is caused by gram positive bacteria Neisseria gonorrhoeae mainly affecting the mucous membrane of urinogenital tract. New borne infants may acquire serious eye infection if they pass through the infected birth canal. It is highly contagious through the sexual contact.
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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

Write about the Gonorrhoea disease.

  • Ans 1: it is caused by gram positive bacteria Neisseria gonorrhoeae mainly affecting the mucous membrane of urinogenital tract. New borne infants may acquire serious eye infection if they pass through the infected birth canal. It is highly contagious through the sexual contact.
Submit

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

Question # 1

Differentiate identical twins and triplets.

  • Ans 1: Identical twins: If new born organisms are the product of mitosis and they have same genetic makeup, they are called identical twins.
  • Ans 2: Identical Triplets: In some cases, more than one egg are produced by the female and all eggs are independently fertilized two or more zygote. These zygote develops into new offspring, but with different genetic combination. such twins or triplets are called fraternal twins or triplets. They are produced sexually.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 3

Question # 1

What is Follicle atresia?

  • Ans 1: FSH stimulates the formation of several follicels. Only one of these follicles continues to grow with its primary oocytes while rest breakdown by a degenerative process called follicle atresia.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 4

Question # 1

Define reproduction.What is its significance?

  • Ans 1: Process in which living organism produced their new generation like to themselves is called reproduction.
  • Ans 2: It ensures the survival of species.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 5

Question # 1

What is diploid parthenogenesis?

  • Ans 1: In diploid partenogenesis a diploid egg is formed due to non disjunction of chromosomes, they retain their diploid number of chromosomes; diploid egg then develops in to young female.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 6

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

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