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Human Health and Disease

AIPMT 2007MCQEasy📈 Topic in 50% papers+4−1
Ques. 1AIPMT 2007

Lysozyme that is present in perspiration, saliva and tears, destroys:

  1. Certain types of bacteria
  2. Most virus-infected cells
  3. All viruses
  4. Certain fungi

Answer

(1) Certain types of bacteria

Solution

As per NCERT, saliva in the mouth and tears from the eyes are physiological barriers of innate immunity that prevent microbial growth.

⇒ These secretions contain the enzyme lysozyme.

∵ Lysozyme hydrolyses the peptidoglycan (murein) of the bacterial cell wall, so the cell wall breaks and the bacterium is killed; it mainly acts on Gram-positive bacteria.

∴ Lysozyme destroys certain types of bacteria.

Answer: (1)

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Ques. 2AIPMT 2006

HIV that causes AIDS, first starts destroying

  1. Helper T-lymphocytes
  2. B-lymphocytes
  3. Leucocytes
  4. Thrombocytes
Ques. 3AIPMT 2006

A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from-

  1. Mood disorders
  2. Addictive disorders
  3. Schizophrenia
  4. Borderline Personality Disorder (BPD)
Ques. 4AIPMT 2006

Antibodies in our body are complex-

  1. Prostaglandins
  2. Steroids
  3. Glycoproteins
  4. Lipoproteins
Ques. 5AIPMT 2005

Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness ?

  1. Hashish
  2. Amphetamines
  3. Morphine
  4. Valium
Ques. 6AIPMT 2005

Damage to thymus in a child may lead to

  1. A reduction in stem cell production
  2. Loss of cell mediated immunity
  3. A reduction in haemoglobin content of blood
  4. Loss of antibody mediated immunity
Ques. 7AIPMT 2004

Which one of the following is not correctly matched ?

  1. Anopheles culicifacies – Leishmaniasis
  2. Glossina palpalis – Sleeping sickness
  3. Culex pipiens – Filariasis
  4. Aedes aegypti – Yellow fever
Ques. 8AIPMT 2003

Carcinoma refers to :-

  1. Malignant tumours of the colon
  2. Benign tumours of the connective tissue
  3. Malignant tumours of the connective tissue
  4. Malignant tumours of the skin or mucous membrane
Ques. 9AIPMT 2003

Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as :-

  1. Passive immunity
  2. Cellular immunity
  3. Innate non-specific immunity
  4. Active immunity
Ques. 10AIPMT 2002

Cancerous cells can easily be destroyed by radiations due to : -

  1. Fast mutation
  2. Lack of oxygen
  3. Rapid cell division
  4. Lack of nutrition
Ques. 11AIPMT 2001

Which one of the following is correct match ?

  1. Bhang – Analgesic
  2. Cocaine – opiatic narcotic
  3. Morphine – Hallucinogenic
  4. Reserpine – Tranquilliser

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