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

Question # 1

Enlist methods of asexual reproduction.

  • Ans 1: Types of asexual reproduction are:-
  • Ans 2: a) Budding b) Parthenogenesis c) Cloning d) Tissue culture e) Apomixes f) Sporulation g) Vegetative propagation h) Artificial propagation
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12th Class Biology Chapter 18 Short Questions Preparation - Set 3

Question # 1

What are functions of sertoli cells?

  • Ans 1: Fluid secreted by sertoli cells provides liquid medium, protection and nourishment to sperms while they are in tubules.
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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

Differentiate between tissue culture and cloning.

  • Ans 1: Tissue Culture: It is the growth of a tissue or plant in an artificial growth culture medium under aseptic conditions.
  • Ans 2: Cloning: It is asexual reproduction in which genetically identical organisms are produced from a single species.
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12th Class Biology Chapter 18 Short Questions Preparation - Set 6

Question # 1

What are Ovoviviparous?

  • Ans 1: In some animals like duck bill platypus internal fertilization leads to internal development of the young ones in a shelled egg and when development is completed shelled egg is laid which hatches the offspring, such animals are called ovaviviparous.
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18th Chapter

12th Class Biology Chapter 18 Short Questions

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