Tag: non infectious diseases

Questions Related to non infectious diseases

Melanin is found in.

  1. Whole skin

  2. Stratum spongiosum

  3. Stratum corneum

  4. Stratum germinativum


Correct Option: D

Mental retardation in children suffering from galactosemia can be avoided by

  1. Giving them more milk

  2. Giving them milk free diet

  3. Giving them milk fortified with vitamins

  4. Giving them more proteinous diet


Correct Option: B

Pigmentation of skin is due to.

  1. Melanocytes

  2. Leucocytes

  3. Lymphocytes

  4. Monocytes


Correct Option: A

Molecular probes are used for many genetic disorders like?

  1. Duchenne muscular dystrophy

  2. Cystic fibrosis

  3. Tay-Sachs disease

  4. All of these


Correct Option: A

Mark the correct statement.

  1. In lower one third part of oesophagus both Myenteric and Meissner's plexus are absent

  2. Carboxypeptidase is exopeptidase acting on 'N' terminal end of peptide chain

  3. Galactosemia is metabolic genetic disorder due to deficiency of the enzyme uridyl transferase

  4. Nucleotidase and nucleosidase enzymes are present in pancreatic juice


Correct Option: C
Explanation:
  • Here, option (C) is correct as Galactosemia is metabolic genetic metabolic disorder due to deficiency of the enzyme uridyl transferase.
  • While, carboxypeptidase is a protease enzyme that acts on 'C' terminal end of a protien or peptide.
  • And, in pancreatic juice trypsin, amylase and lipase are present.

Which one of the following techniques is safest for the detection of cancers?

  1. Radiography (X-ray)

  2. Computed tomography (CT)

  3. Histopathological studies

  4. Magnetic resonance imaging (MRI)


Correct Option: A
Which of the following causes almost unbearable irritation of the skin?
  1. Lint of Gossypium

  2. Staminal hair of Tradescantia

  3. Prickles of Rosa indica

  4. Stinging hair of Urtica dioca


Correct Option: D
Explanation:

The trichomes of Utrica cover the leaf and the stem surfaces, each trichome has a base attached to the epithelial layer, and a cell filled with irritant/allergent at the tip, that breaks on mechanical damage, touch, or when attempted to be eaten by herbivores. On breaking the chemical substances are injected into the predator causing unbearable irritation.

So, the correct answer is 'Stinging hair of Urtica dioca'

Which of the following stimulation results in increased gastric secretions?

  1. Mast cells

  2. H$ _1$ histamine receptor

  3. H $ _2$ histamine receptor

  4. Both A and C


Correct Option: C

Which of the following is a dangerous allergic reaction?

  1. Asphyxia

  2. Anaphylaxis

  3. Asthma

  4. None of the above


Correct Option: B

Which of the following cells secrete histamine?

  1. Plasma cell

  2. Mast cells

  3. Monocytes

  4. NK-cells


Correct Option: B
Explanation:

Mast cells are the type of white blood cells. They play important role in allergy and inflammatory reactions. They release chemicals like histamine upon exposure to the allergic component.