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Human Health and Disease · Question 31

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

Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains :

  1. Macrophages
  2. Immunoglobulin A
  3. Natural killer cells
  4. Monocytes

Answer

(2) Immunoglobulin A

Solution

As per NCERT, the yellowish fluid colostrum secreted by the mother during the initial days of lactation has abundant antibodies (IgA) to protect the infant.

This is an example of passive immunity, as ready-made antibodies are given to the infant.

Answer: (2)

NEET (UG) 2019

Keep practising — Human Health and Disease

2

Drug called ‘Heroin’ is synthesized by :

  1. glycosylation of morphine
  2. nitration of morphine
  3. methylation of morphine
  4. acetylation of morphine
NEET (UG) 2019
3

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
4

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

  1. Flowers
  2. Latex
  3. Roots
  4. Leaves
NEET 2018
5

Which of the following is not an autoimmune disease?

  1. Psoriasis
  2. Rheumatoid arthritis
  3. Alzheimer’s disease
  4. Vitiligo
NEET 2018
6

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

  1. Elephantiasis
  2. Ascariasis
  3. Ringworm disease
  4. Amoebiasis
NEET 2018
7

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
8

MALT constitutes about percent of the lymphoid tissue in human body

  1. 20%
  2. 70%
  3. 10%
  4. 50%
NEET 2017
9

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)
10

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)
11

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)

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