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Human Health and Disease · Question 39

NEET 2016 (Phase 1)MCQEasy📈 Topic in 38% papers+4−1
1

Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain -

  1. Attenuated pathogens
  2. Activated pathogens
  3. Harvested antibodies
  4. Gamma globulin

Answer

(1) Attenuated pathogens

Solution

Antivenom gives passive immunity through preformed antibodies.

⇒ Polio drops (oral polio vaccine) give active immunity.

∴ As per NCERT, in vaccination a preparation of antigenic proteins of pathogen or inactivated/weakened (attenuated) pathogen is introduced into the body.

Hence, polio drops contain attenuated pathogens.

Answer: (1)

NEET 2016 (Phase 1)

Keep practising — Human Health and Disease

2

Which of the following statements is not true for cancer cells in relation to mutations ?

  1. Mutations inhibit production of telomerase
  2. Mutations in proto-oncogenes accelerate the cell cycle
  3. Mutations destroy telomerase inhibitor
  4. Mutations inactivate the cell control
NEET 2016 (Phase 1)
3

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
NEET 2016 (Phase 1)
4

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)
5

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)
6

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

  1. IgM
  2. IgA
  3. IgG
  4. IgD
AIPMT 2015
7

Which of the following diseases is caused by a protozoan?

  1. Influenza
  2. Babesiosis
  3. Blastomycosis
  4. Syphilis
AIPMT 2015
8

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
9

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)
10

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)
11

HIV that causes AIDS, first starts destroying

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

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