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

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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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

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 2

Question # 1

Define terms menstruation and menopause.

  • Ans 1: Menstrual cycle:In human females the periodic reproductive cycle is completed in approximately 28 days and involves changes in the structure and function of the whole reproductive system. It is called menstrual cycle.
  • Ans 2: Menopause:The end or complete stop of menstrual cycle is called menopause
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12th Class Biology Chapter 18 Short Questions Preparation - Set 3

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.
Submit

12th Class Biology Chapter 18 Short Questions Preparation - Set 4

Question # 1

Define vernalization.

  • Ans 1: Chilling treatment give to the plant seeds before sowing is called vernalization.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 5

Question # 1

What is genital herpes?

  • Ans 1: It is caused by herpes simplex type 2 virus, most frequently transmitted by sexual contact causing infection of the genitalia. It produces genital sorness and ulcers in the infected areas. In infected pregnant women,virus can transmitted to infant during birth,causing damage to eyes and CNS of the infant.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 6

Question # 1

Differentiate between oviparous and viviparous.

  • Ans 1: Oviparous: Oviparous are the eggs laying animals like birds.
  • Ans 2: viviparous: Viviparous are those animals which give birth to their young ones like mammals
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18th Chapter

12th Class Biology Chapter 18 Short Questions

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