A person suffering from a disease caused by Plasmodium experiences recurring chill and fever at the time when the

• sporozoites released from RBCs are being rapidly killed and broken down inside spleen

• trophozoites reach maximum growth and give out certain toxins

• Parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs

• Parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs

Widal test is used for the diagnosis of 

• Malaria 

• pneumonia

• tuberculosis

• tuberculosis

Common cold is not cured by antibiotics because it is

• caused by a virus

• caused by a Gram-positive bacterium

• caused by a Gram-negative bacterium

• caused by a Gram-negative bacterium

Which one of the following statements is correct with respect to AIDS?

• The HIV can be transmitted through eating food together with an infected person

• Durg addicts are least susceptible to HIV infection

• AIDS patients are being fully cured cent percent with proper care and nutrition

• AIDS patients are being fully cured cent percent with proper care and nutrition

Select the correct statement from the ones given below

• Barbiturates, when given to criminals, make them tell the truth

• Morphine is often given to person who has undergone surgery as a pain killer

• Chewing tobacco lowers blood pressure and heart rate

• Chewing tobacco lowers blood pressure and heart rate

Infectionus proteins are present in

• geminiviruses

• prions

• viroids

• viroids

Select the correct statements with respect to diseases and immunisation

• if due to some reason B and T - lymphocytes are damaged, the body will not produce antibodies against a pathogen

• injection of dead/inactivated pathogens causes passive immunity

• certain protozoans have been used to mass produce hepatitis B vaccine

• certain protozoans have been used to mass produce hepatitis B vaccine

Fastest distribution of some injectible material /medicine and with no risk of any kind can be achieved by injecting it into the

• muscles

• arteries

• veins

• veins

Ringworm in humans is caused by 

• Bacteria 

• fungi 

• nematodes

• nematodes

Which one of the following techniques is safest for the detection of cancer?

• Magnetic Resonance Imaging (MRI)

• Radiography (X -ray)

• Computed Tomography (CT)

• Computed Tomography (CT)