Fsc part 2 online preparation for biology chapter 19 (Growth and Development)

Online Short Questions For Chapter 5 "12th Class Biology Chapter 19 Short Questions Preparation "

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Biology - 12th Class Biology Chapter 19 Short Questions Preparation

Question # 1

Differentiate between primary organizer and primary induction.

  • Ans 1: Primary organizer: The area of the dorsal lip which induces the development of secondary embryo in the host is called primary organizer.
  • Ans 2: Primary induction: The ability of the primary organizer to induce the growth of secondary embryo in host is called primary induction
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Prepare Complete Set Wise Questions For Chapter 5 "12th Class Biology Chapter 19 Short Questions Preparation "

12th Class Biology Chapter 19 Short Questions Preparation - Set 1

Question # 1

Differentiate between primary organizer and primary induction.

  • Ans 1: Primary organizer: The area of the dorsal lip which induces the development of secondary embryo in the host is called primary organizer.
  • Ans 2: Primary induction: The ability of the primary organizer to induce the growth of secondary embryo in host is called primary induction
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12th Class Biology Chapter 19 Short Questions Preparation - Set 2

Question # 1

What is morula?

  • Ans 1: After fertilization of egg it divides repeatedly by mitotic division resulting in a ball of cells called morula
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12th Class Biology Chapter 19 Short Questions Preparation - Set 3

Question # 1

Differentiate between neurula and neurocoel.

  • Ans 1: Neurula: In the embryo of 24 hrs the neural folds are clearly visible,at this stage embryo is called neurula.
  • Ans 2: Neurocoel: In the chick development with the formation of neural tube,there is formation of central nervous system and the cavity enclosed is called neurocoel.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 4

Question # 1

What is regeneration?

  • Ans 1: Formation of lost parts of the body is called regeneration. For example if arm of star fish is cut, it will be regenerated or reformed.
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19th Chapter

12th Class Biology Chapter 19 Short Questions

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