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

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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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

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 2

Question # 1

Which tissues arise from vascular cambium?

  • Ans 1: Secondary xylem, secondary phloem (wood),bark
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12th Class Biology Chapter 16 Short Questions Preparation - Set 3

Question # 1

What do you know about rickets?

  • Ans 1: It is a disease of children with bowed bones of legs and deformed pelvis.It is caused by calcium deficiency in diet or deficiency of vitamin-D.it is treated by vitamin-D' fortified milk and exposing skin to sunlight to cure disorder.
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12th Class Biology Chapter 16 Short Questions Preparation - Set 4

Question # 1

Write a brief note on tetany.

  • Ans 1: It a disease caused by low calcium level in blood.It increases the excitability of neurons and results in loss of sensation,Muscle twitch and convolutions occur.if untreated the system progresses to spasm of larynx,respiratory paralysis and resulting death.
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12th Class Biology Chapter 16 Short Questions Preparation - Set 5

Question # 1

Define turgor and osmotic pressure.

  • Ans 1: Turgor pressure is pressure exerted by the water on the walls of the vacuole while the osmotic pressure due to presence of solute in the water.It is also called solute potential.
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12th Class Biology Chapter 16 Short Questions

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