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Human Health and Disease · Question 41

NEET 2016 (Phase 1)MCQEasy📈 Topic in 12% papers+4−1
1

In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to

  1. Active immunity
  2. Allergic response
  3. Graft rejection
  4. Auto-immune disease

Answer

(4) Auto-immune disease

Solution

As per NCERT, the immune system of higher vertebrates can distinguish foreign molecules as well as foreign organisms (non-self) from self-cells.

∵ When, due to genetic or other unknown reasons, the body attacks its own self-cells, the result is damage to the body.

∴ This is called auto-immune disease, e.g. rheumatoid arthritis.

Answer: (4)

NEET 2016 (Phase 1)

Keep practising — Human Health and Disease

2

Which of the following sets of diseases is caused by bacteria ?

  1. Herpes and influenza
  2. Cholera and tetanus
  3. Tetanus and mumps
  4. Typhoid and smallpox
NEET 2016 (Phase 2)
3

Which of the following is correct regarding AIDS causative agent HIV ?

  1. HIV is unenveloped retrovirus
  2. HIV is enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase.
  3. HIV does not escape but attacks the acquired immune response
  4. HIV is enveloped virus that contains two identical molecules of single-stranded RNA and two molecules of reverse transcriptase
NEET 2016 (Phase 2)
4

Which of the following immunoglobulins does constitute the largest percentage in human milk?

  1. IgM
  2. IgA
  3. IgG
  4. IgD
AIPMT 2015
5

Which of the following diseases is caused by a protozoan?

  1. Influenza
  2. Babesiosis
  3. Blastomycosis
  4. Syphilis
AIPMT 2015
6

Grafted kidney may be rejected in a patient due to -

  1. Humoral immune response
  2. Cell-mediated immune response
  3. Passive immune response
  4. Innate immune response
AIPMT 2015
7

Match each disease with its correct type of vaccine

  1. A - (i), B - (ii), C - (iv), D - (iii)
  2. A - (iv), B - (iii), C - (ii), D - (i)
  3. A - (ii), B - (i), C - (iii), D - (iv)
  4. A - (iii), B - (ii), C - (iv), D - (i)
AIPMT 2015 (Cancelled)
8

The active form of Entamoeba histolytica feeds upon

  1. food in intestine
  2. mucosa and submucosa of colon only
  3. blood only
  4. erythrocytes, mucosa and submucosa of colon
AIPMT 2015 (Cancelled)
9

HIV that causes AIDS, first starts destroying

  1. thrombocytes
  2. leucocytes
  3. helper T-lymphocytes
  4. B-lymphocytes
AIPMT 2015 (Cancelled)
10

Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below? [Figure]

  1. Hallucinogen
  2. Stimulant
  3. Depressant
  4. Pain-killer
AIPMT 2014
11

At which stage of HIV infection does one usually show symptoms of AIDS ?

  1. Within 15 days of sexual contact with an infected person.
  2. When the infected retro virus enters host cells.
  3. When HIV damages large number of helper T-Lymphocytes.
  4. When the viral DNA is produced by reverse transcriptase.
AIPMT 2014

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