Decibel is a unit used for

• A. speed of light
• B. intensity of sound
• C. intensity of heat
• D. none of these

Alzheimer is:

• A. bone disease
• B. ear disease
• C. skin discase
• D. neurological disease

Which chemical in tabacco causes a smoker to be addicted to smoking?

• A. carbon monoxide
• B. tar
• C. nicotine
• D. None of these

Blood leaves the heart through arteries. The main artery leaving the left ventricle is called:

• A. aorta
• B. pulmonary artery
• C. carotid artery
• D. None of these

Goiter is usually caused by deficiency of            in the human body?

• A. insulin
• B. iodine
• C. glucagon
• D. None of these

The book “One the origin of Species” was written by:

• A. newton
• B. einstein
• C. darwin
• D. None of these

Which of the following is essential for bone and teeth formation?

• A. vitamin a
• B. vitamin b
• C. vitamin c
• D. vitamin d

Horse Power is standard unit of power equal to:

• A. 370 watts
• B. 480 watts
• C. 656 watts
• D. 746 watts

Hydrophobia is a symptom of which of the following diseases?

• A. malaria
• B. cholera
• C. smallpox
• D. rabies

Which of the following parts of the human body is affected by the diseases of Malaria?

• A. liver
• B. lungs
• C. intestine
• D. spleen