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

Define secondary growth,give its significance.

  • Ans 1: Secondary growth means increase in girth of root or stem(plant).
    Significance: it form secondary xylem which act as wood.
    Growth rings are formed which are helpful in calculating plant age.
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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

Define secondary growth,give its significance.

  • Ans 1: Secondary growth means increase in girth of root or stem(plant).
    Significance: it form secondary xylem which act as wood.
    Growth rings are formed which are helpful in calculating plant age.
Submit

12th Class Biology Chapter 16 Short Questions Preparation - Set 2

Question # 1

Give two modifications in the exoskeleton of arthropods.

  • Ans 1: Modification of exoskeleton in arthropods is as follow
    Formation of sensilla (bristle), lenses and modification for gaseous exchange.
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12th Class Biology Chapter 16 Short Questions Preparation - Set 3

Question # 1

Give two modifications in the exoskeleton of arthropods.

  • Ans 1: Modification of exoskeleton in arthropods is as follow
    Formation of sensilla (bristle), lenses and modification for gaseous exchange.
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12th Class Biology Chapter 16 Short Questions Preparation - Set 4

Question # 1

Give two roles of vascular cambium.

  • Ans 1: Vascular cambium performs secondary growth of plant.Secondary xylem is produced which act as wood and also give support to plant.It also produces annual rings by which we can calculate age of plant.
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12th Class Biology Chapter 16 Short Questions Preparation - Set 5

Question # 1

How the muscle fatigue is resulted?

  • Ans 1: When we do hard exercise, an aerobic respiration starts in the muscle and lactic acid is accumulated which results muscles fatigue.
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12th Class Biology Chapter 16 Short Questions

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