Which of the following glands is large-sized at birth but reduces in size with ageing?
1. Pineal
2. Pituitary
3. Thymus
4. Thyroid
Haemozoin is a:
1. precursor of haemoglobin
2. toxin released from Streptococcus infected cells
3. toxin released from Plasmodium infected cells
4. toxin released from Haemophilus infected cells
Which of the following is not the causal organism for ringworm?
1. Microsporum
2. Trichophyton
3. Epidermophyton
4. Macrosporum
A person with sickle-cell anaemia is
1. more prone to malaria
2. more prone to typhoid
3. less prone to malaria
4. less prone to typhoid
Which of the following is not a lymphoid tissue?
1. Spleen
2. Tonsils
3. Pancreas
4. Thymus
Antivenom against snake poison contains
1. antigens
2. antigen-antibody complexes
3. antibodies
4. enzymes
Tobacco consumption is known to stimulate secretion of adrenaline and noradrenaline. The component causing this could be:
1. Nicotine
2. Tannic acid
3. Curamin
4. Catechin
Antibodies present in colostrum, which protect the new born from certain diseases, is of
1. Ig G type
2. Ig A type
3. Ig D type
4. Ig E type
Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections?
1. Auto-immune response
2. Humoral immune response
3. Physiological immune response
4. Cell-mediated immune response
The substance produced by a cell in viral infection that can protect other cells from further infection is
1. serotonin
2. colostrum
3. interferon
4. histamine