Science And Technology MCQs with Answers and Explanations

While 72-80 bpm is often cited as a standard average, the healthy medical range is generally 60 to 100 beats per minute.

A lactometer is a type of hydrometer used to check for water adulteration in milk by measuring its specific gravity.

Hematology is the branch of medicine concerned with the study, diagnosis, and treatment of blood-related diseases.

The liver filters blood coming from the digestive tract and detoxifies chemicals while metabolizing drugs.

By scientific convention, the water potential of pure water is zero.

The digestion of proteins starts in the stomach through the action of hydrochloric acid and the enzyme pepsin.

Oxytocin stimulates the uterine muscles to contract, which initiates labor and childbirth.

Vitamin B9 is vital for cell growth and is widely known as folic acid.

India's Chandrayaan-3 mission became the first to successfully soft-land a craft in the lunar south pole region.

Nitrogen makes up approximately 78% of the Earth's atmosphere by volume.