The main cause of floods in the river is__________?

A. Heavy snowfall
B. Earthquakes
C. Deforestation
D. Construction of dams

All of the following organs in the human body are located both on the right and the left sides, except;_________?

A. Lungs
B. Kidneys
C. Spleen
D. Eyes

Which of the following is both endocrine and exocrine gland?

A. Thyroid
B. Pancreas
C. Parathyroid
D. All of these

When sound waves travel from air to water which of the following quantities remains unchanged?

A. Speed
B. Frequency
C. Intensity
D. Wavelength

Sound travels in air at an average speed of nearly________ ?

A. 1257 miles per hour
B. 755 miles per hour
C. 330 miles per hour
D. None of these

Hepatitis C is a leading cause of_________?

A. Hiv
B. Diabetes
C. Chronic liver disease
D. Aids

“Gastric juice” is a secretion of the glands present in________?

A. Gall bladder
B. Kidneys
C. Stomach
D. None of these

Isotopes of an element have the same number of _______?

A. Neutrons
B. Protons
C. Electrons
D. Beta rays

Name the animal which can live without water in its entire life?

A. Desert lizard
B. Camel
C. Kangaroo rat
D. Cuttlefish

Which of the following is the study of micro- organisms, mostly viruses and single called organisms such as bacteria, yeasts and protozoa ?

A. Microbiology
B. Micrology
C. Histopathology
D. Tavelogy