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Human Health and Disease · Question 32

NEET (UG) 2019MCQEasy📈 Topic in 50% papers+4−1
1

Drug called ‘Heroin’ is synthesized by :

  1. glycosylation of morphine
  2. nitration of morphine
  3. methylation of morphine
  4. acetylation of morphine

Answer

(4) acetylation of morphine

Solution

As per NCERT, heroin (smack) is chemically diacetylmorphine, a white, odourless, bitter crystalline compound.

It is obtained by acetylation of morphine, which is extracted from the latex of the poppy plant Papaver somniferum.

Answer: (4)

NEET (UG) 2019

Keep practising — Human Health and Disease

2

Which of the following immune responses is responsible for rejection of kidney graft?

  1. Inflammatory immune response
  2. Cell-mediated immune response
  3. Auto-immune response
  4. Humoral immune response
NEET (UG) 2019
3

Which part of poppy plant is used to obtain the drug “smack”?

  1. Flowers
  2. Latex
  3. Roots
  4. Leaves
NEET 2018
4

Which of the following is not an autoimmune disease?

  1. Psoriasis
  2. Rheumatoid arthritis
  3. Alzheimer’s disease
  4. Vitiligo
NEET 2018
5

In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels?

  1. Elephantiasis
  2. Ascariasis
  3. Ringworm disease
  4. Amoebiasis
NEET 2018
6

Transplantation of tissues/ organs fails often due to non-acceptance by the patient's body. Which type of immune response is responsible for such rejections ?

  1. Cell-mediated immune response
  2. Physiological immune response
  3. Hormonal immune response
  4. Autoimmune response
NEET 2017
7

MALT constitutes about percent of the lymphoid tissue in human body

  1. 20%
  2. 70%
  3. 10%
  4. 50%
NEET 2017
8

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
NEET 2016 (Phase 1)
9

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)
10

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)
11

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)

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