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 Ovulation.

  • Ans 1: Discharge of ovum from the ovary is called ovulation.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 1

Question # 1

Define Ovulation.

  • Ans 1: Discharge of ovum from the ovary is called ovulation.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 2

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 3

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 4

Question # 1

What is diplohaplontic life cycle? Give its types.

  • Ans 1: In sexual reproduction,plants have diplohaplontic life cycle with alternating diploid sporophyte and haploid gametophyte generations. its type are isomorphic generations and heteromorphic generations.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 5

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 6

Question # 1

Define photoperiodism.

  • Ans 1: Photo mean light; periodism for duration. Response of plants to the duration of light is called photoperiodism.
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12th Class Biology Chapter 18 Short Questions

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