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Structural Organisation in Animals

AIPMT 2003MCQEasy📈 Topic in 50% papers+4−1
Ques. 1AIPMT 2003

Which one of the following contains the largest quantity of extracellular material ?

  1. Stratified epithelium
  2. Myelinated nerve fibres
  3. Striated muscle
  4. Areolar tissue

Answer

(4) Areolar tissue

Solution

As per NCERT, epithelial tissue has compactly packed cells with little intercellular matrix, and muscle and neural tissues are also made mainly of cells.

∵ Connective tissues (except blood) have cells that secrete fibres of collagen or elastin and a modified polysaccharide ground substance, which together form the matrix (extracellular material).

Areolar tissue (loose connective tissue) has fibroblasts, macrophages and mast cells loosely arranged in a semi-fluid ground substance with fibres.

∴ Areolar tissue contains the largest quantity of extracellular material.

Answer: (4)

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Ques. 2AIPMT 2002

Which cartilage is present at the end of long bones?

  1. Calcified cartilage
  2. Hyaline cartilage
  3. Elastic cartilage
  4. Fibrous cartilage
Ques. 3AIPMT 2002

Melanin protects from:

  1. Infrared rays
  2. U.V. rays
  3. Visible rays
  4. X-rays
Ques. 4AIPMT 2001

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
Ques. 5AIPMT 2001

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

  1. Nerve cells
  2. Epithelial cells
  3. Gland cells
  4. Muscle cells
Ques. 6AIPMT 2000

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
Ques. 7AIPMT 2000

Proteoglycan in cartilages which is part of polysaccharide is

  1. Ossein
  2. Cartilegen
  3. Chondroitin
  4. Casein
Ques. 8AIPMT 2000

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
Ques. 9AIPMT 2000

Primary function of enteronephric nephridia of Pheretima:

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

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