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 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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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 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 2

Question # 1

Define teratology and teratogens.

  • Ans 1: Study of abnormal development is called teratology. Factors causing abnormal development are called teratogens.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 3

Question # 1

Differentiate between apical meristem and lateral meristem.

  • Ans 1: Apical meristem:Apical meristem found at the tips of shoot and root.The cells of apical meristem has ability to divide throughout plant life,These are basically related to extension of plant body.
  • Ans 2: Lateral meristem:Lateral meristem are cylinder of dividing cells. They are present in dicots and gymnosperms. Vascular cambium and cork cambium are example of lateral meristem. They increase the diameter of root and stem.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 4

Question # 1

Define Apical Dominance.Give its cause.

  • Ans 1: In many plant species only apical bud grows while growth of lower axillary buds is inhibited this process is called apical dominance.
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12th Class Biology Chapter 19 Short Questions

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