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 fruit.

  • Ans 1: Ripened ovary is called fruit. After the fertilization the cells of ovary wall starts to divide and it develops into complete fruit.
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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 fruit.

  • Ans 1: Ripened ovary is called fruit. After the fertilization the cells of ovary wall starts to divide and it develops into complete fruit.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 2

Question # 1

What are advantages of cloning?

  • Ans 1: Cloning has the advantage that all offspring behave similarly. Secondly all the members of a clone are genetically identical to their parents. Good characters of hybrids can be transferred to the next generation without any alteration
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12th Class Biology Chapter 18 Short Questions Preparation - Set 3

Question # 1

Define haploid parthenogenesis.

  • Ans 1: In the honey bees male develops without fertilization of egg. The queen bee carrying male gametes from the male has the ability to lay eggs that have not been fertilized.If these eggs are not fertilized then they develops in to haploid offspring. It is called haploid parthenogenesis.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 4

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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12th Class Biology Chapter 18 Short Questions Preparation - Set 5

Question # 1

What is Apomixes? Or What is meant by Apomixes?

  • Ans 1: 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.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 6

Question # 1

What is menopause? Which factors affect reproductive cycle in female?

  • Ans 1: The end or complete stop of the menstrual cycle is called menopause,after which the female stops producing the ova. Malnourishment and emotional stresses effect the female reproductive cycle which may be disturbed. The cycle is not completed in its normal 28 days.
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18th Chapter

12th Class Biology Chapter 18 Short Questions

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