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Structural Organisation in Animals · Question 89

AIPMT 2000MCQEasy📈 Topic in 50% papers+4−1
1

Proteoglycan in cartilages which is part of polysaccharide is

  1. Ossein
  2. Cartilegen
  3. Chondroitin
  4. Casein

Answer

(3) Chondroitin

Solution

The matrix of cartilage is made of a proteoglycan whose polysaccharide part is chondroitin sulphate; as per NCERT, the intercellular material of cartilage is solid and pliable and resists compression.

⇒ Ossein is the protein of bone matrix, and casein is the milk protein.

∴ The polysaccharide part of the cartilage proteoglycan is chondroitin.

Answer: (3)

AIPMT 2000

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2

Characteristic of simple epithelium is that they

  1. Continue to divide and help in organ function
  2. They are arranged indiscriminately
  3. They make a definite layer
  4. None
AIPMT 2000
3

Primary function of enteronephric nephridia of Pheretima:

  1. Excretion of nitrogenous waste
  2. Locomotion
  3. Osmoregulation
  4. Respiration
AIPMT 2000

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All NEET Zoology chapters
Class 11Animal KingdomStructural Organisation in AnimalsBiomolecules (Biology)Digestion and AbsorptionBreathing and Exchange of GasesBody Fluids and CirculationExcretory Products and their EliminationLocomotion and MovementNeural Control and CoordinationChemical Coordination and Integration
Class 12Human ReproductionReproductive HealthEvolutionHuman Health and DiseaseBiotechnology: Principles and ProcessesBiotechnology and its ApplicationsBiology Experimental Skills