Second Year Biology Chapter 16 Short Questions Online Preparation (Support and Movements)

Online Short Questions For Chapter 2 "12th Class Biology Chapter 16 Short Questions Preparation "

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Biology - 12th Class Biology Chapter 16 Short Questions Preparation

Question # 1

Compare epicuticle and procuticle.

  • Ans 1: Epicuticle: is the outer most layers.It is made up of waxy lipoprotein, so it is impermeable to water and serves as a barrier to microorganisms and insects.
  • Ans 2: Procutile: is composed of chitin, tough, leathery polysaccharide and several kinds of proteins.
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Prepare Complete Set Wise Questions For Chapter 2 "12th Class Biology Chapter 16 Short Questions Preparation "

12th Class Biology Chapter 16 Short Questions Preparation - Set 1

Question # 1

Compare epicuticle and procuticle.

  • Ans 1: Epicuticle: is the outer most layers.It is made up of waxy lipoprotein, so it is impermeable to water and serves as a barrier to microorganisms and insects.
  • Ans 2: Procutile: is composed of chitin, tough, leathery polysaccharide and several kinds of proteins.
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12th Class Biology Chapter 16 Short Questions Preparation - Set 2

Question # 1

Explain the term epinasty and hyponasty.

  • Ans 1: Epinasty: is show by leaves, petals etc.the upper surface of leaf in bud condition shows more growth as compared with lower surface.This leads to opening of buds.
    Hyponasty: If growth in the lower surface of the leaf in bud condition is more than that of upper surface then buds remain close and it is called hyponasty.
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12th Class Biology Chapter 16 Short Questions Preparation - Set 3

Question # 1

What is callus and its role?

  • Ans 1: Callus is a mass of undifferentiated cells.It heals the wound of plant.
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12th Class Biology Chapter 16 Short Questions Preparation - Set 4

Question # 1

Define tonoplast,give its function as well.

  • Ans 1: The wall of vacuole is called tonoplast, it is single membrane.It maintains the turgor pressure and solute concentration.
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12th Class Biology Chapter 16 Short Questions Preparation - Set 5

Question # 1

Define aerofoils.

  • Ans 1: An aerofoil is any smooth surface which moves through the air at an angle to the air stream for example wing of a bird act as aerofoil.
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12th Class Biology Chapter 16 Short Questions

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