Everyday Science Mcqs

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

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

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

Isotopes of an element have the same number of _______?A. Neutrons
B. Protons
C. Electrons
D. Beta rays

 

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

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

Gastric gland, any of the branched tubules in the inner lining of the stomach that secrete gastric juice and protective mucus.

Hepatitis C is a leading cause of_________?

A. HIV
B. Diabetes
C. Chronic Liver disease
D. AIDS

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

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

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

Sound is propagated in the form of longitudinal waves. When sound travels from one medium to another medium the wavelength and velocity remains changed and the frequency remains unchanged.The velocity of sound in the given medium is obtained by
v=nW, where “n” is the frequency of sound and “W” is its wavelength in that medium. Velocity of sound is directly proportional to the wavelength.Thus, if the velocity of sound wave doubles when travelled from one medium to another medium then its wavelength also doubles.The frequency of sound depends on the source of the sound, not the medium of propagation .Hence the frequency does not change when travelled from air to water.

Which of the following is both endocrine and exocrine gland?

A. thyroid
B. pancreas
C. parathyroid
D. all of these

The liver and pancreas are both exocrine and endocrine glands; they are exocrine glands because they secrete products—bile and pancreatic juice—into the gastrointestinal tract through a series of ducts, and endocrine because they secrete other substances directly into the bloodstream.

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