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 set.

  • Ans 1: Retention of the ovary which become fruit after the fertilization. Or it is the process in which ovary after fertilization start to develop in to fruit is called fruit set.
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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 set.

  • Ans 1: Retention of the ovary which become fruit after the fertilization. Or it is the process in which ovary after fertilization start to develop in to fruit is called fruit set.
Submit

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

Question # 1

What is tissue culture? Explain.

  • Ans 1: Growth of plant under aseptic conditions in culture medium is called tissue culture. In this technique tissue cut from the plant could be stimulated by the addition of nutrients, cytokinin, auxin, these cell show continued growth and differentiated in to a new plant.
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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

Differentiate between isomorphic and heteromorphic generation.

  • Ans 1: Isomorphic:If gemetophtye and sporophyte generation are vegetatively and morphologically similar then they are called isomorphic generation.
  • Ans 2: Heteromorphic: Ifgametophyte and sporophyte generations are vegetatively and morphologically dissimilar then they are called heteromorphic generations
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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

For which the abbreviation of STD is used?

  • Ans 1: This abbreviation stands for sexually transmitted diseases.
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12th Class Biology Chapter 18 Short Questions

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