Biology : Human Health and Disease

Write the effects of heroin on the human body.

Peyer's patches produce

• mucus

• trypsin

• lymphocytes

• enterokinase

Match column1 and column2 and select the correct options from codes given below.

      Column1        Column2

A. Pigments          1) Abrin, ricin

B. Toxin                2) Concanavalin A

C. Alkaloid            3) Carotenoids A

D. Lectins             4) Morphine, codeine

• A-(4), B-(3), c-(1), D-(2)

• A-(2), B-(4), c-(1), D-(3)

• A-(3), B-(1), c-(4), D-(2)

• A-(1), B-(2), c-(3), D-(4)

Which of the following statements is correct ?
1. Common cold- Droplet Infection.
2. Typhoid - Contaminated food & water.
3. AIDS- Shaking hands.
4. Ringworm - Using infected towels.

• 1 and 2

• 3 and 4

• 1 and 3

• 1,2 and 4

Asthma may be attributed to

• allergic reaction of the mast cells in the lungs

• inflammation of the trachea

• accumulation of fluid in the lungs

• accumulation of fluid in the lungs

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

• graft rejection

• auto-immune disease

• active immunity

• active immunity

Name the chronic respiratory disorder caused by cigarette smoking

• asthma

• respiratoty disease

• respiratory alkalosis

• respiratory alkalosis

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

• harvested antibodies

• gamma globulin

• attenuated pathogens

• attenuated pathogens

Infection of Ascaris usually occurs by

• drinking water containing egg of Ascaris

• eating imperfectly cooked port

• tse -tse fly

• tse -tse fly

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

• lgD

• lgM

• lgA

• lgA