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 the internal and external fertilization.

  • Ans 1: External Fertilization:Fertilization which occurs outside the body is know as external fertilization.
    It occurs aquatic environment where male gametes can swin towards females gametes in water medium.
  • Ans 2: Internal Fertilization: Fertilization which occurs inside the body of organisms is known as internal fertilization.
    Sperms are lodged in the female body where fertilization occurs.
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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 the internal and external fertilization.

  • Ans 1: External Fertilization:Fertilization which occurs outside the body is know as external fertilization.
    It occurs aquatic environment where male gametes can swin towards females gametes in water medium.
  • Ans 2: Internal Fertilization: Fertilization which occurs inside the body of organisms is known as internal fertilization.
    Sperms are lodged in the female body where fertilization occurs.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 2

Question # 1

What is corpus luteum? Give its function.

  • Ans 1: The follicle cells after release of the egg are modified to from a special structure called corpus leuteum. It produces progesterone.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 3

Question # 1

Differentiate between short day plant and long day plants with examples.

  • Ans 1: Short day plants: Short day plants flower when the days are short and nights are long e.g, tobacco,soybean.
  • Ans 2: Long day plants:Long day plant produce flowers when days are long and nights are short e.g, cabbage,spring wheat.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 4

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 5

Question # 1

How seedless fruit are formed?

  • Ans 1: Seedless fruit are also called parthenocapic fruits they formed without fertilization. It may be formed naturally as in banana and may formed artificially like seedless grapes.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 6

Question # 1

Give the role of oxytocin.

  • Ans 1: Oxytocin of ovum from the ovary is called ovulation
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18th Chapter

12th Class Biology Chapter 18 Short Questions

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