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Structural Organisation in Animals · Question 86

AIPMT 2001MCQMedium📈 Topic in 50% papers+4−1
1

During an injury, the nasal septum gets damaged. For its recovery, which cartilage is preferred?

  1. Fibrous cartilage
  2. Elastic cartilage
  3. Calcified cartilage
  4. Hyaline cartilage

Answer

(4) Hyaline cartilage

Solution

As per NCERT, cartilage is present in the tip of the nose, outer ear joints, between adjacent bones of the vertebral column, limbs and hands in adults.

∵ The nasal septum is made of hyaline cartilage, a bluish-white, translucent cartilage with a homogeneous matrix.

⇒ A damaged nasal septum is repaired with the same type of cartilage.

∴ Hyaline cartilage is preferred.

Answer: (4)

AIPMT 2001

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2

Which cells do not form a layer and remain structurally separate?

  1. Nerve cells
  2. Epithelial cells
  3. Gland cells
  4. Muscle cells
AIPMT 2001
3

What happens if bone of frog is kept in dilute hydrochloric acid?

  1. Will become flexible
  2. Will turn black
  3. Will break into pieces
  4. Will shrink
AIPMT 2000
4

Proteoglycan in cartilages which is part of polysaccharide is

  1. Ossein
  2. Cartilegen
  3. Chondroitin
  4. Casein
AIPMT 2000
5

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
6

Primary function of enteronephric nephridia of Pheretima:

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

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