Biology MCQs Quiz

Prepare online for Biology MDCAT, MDCAT Biology online MCQ test with answers 2021. Biology MCQs quiz for medical Entry Test MCQs Quiz.

Maximum biological damage is caused by ____________?

A. Gamma rays B. Alpha rays C. Beta rays D. Microwaves Explanation: Gamma rays. This is because Gamma rays have…

4 years ago

Which element has the second most % in human body?

A. Oxygen 65% B. Calcium 75% C. Hydrogen 10% D. Carbon 18% Explanation: All living organisms contain carbon, which forms the…

4 years ago

Erythrocyte is another name for a ___________?

A. white blood Cells B. Platelet C. Red Blood cells D. Plasma Explanation: Red blood cells (RBCs), also referred to…

4 years ago

Which hormone is necessary for the production of milk in the mother’s breast?

A. FSH B. prolactin C. A.D.H. D. Oxytocin Explanation: Prolactin is necessary for the secretion of milk by the cells…

4 years ago

JAUNDICE is the disease of __________?

A. Heart B. Liver C. Lungs D. Brain Explanation: Jaundice is often a sign of a problem with the liver, gallbladder,…

4 years ago

Which medicine can be used to make urine red in colour?

A. isoniazir B. iron capsule C. Rifampicin D. Omeprazole Explanation: Rifampin (Rifadin, Rimactane), an antibiotic often used to treat tuberculosis,…

4 years ago

Which diagnostic scan gives some of the highest radiation doses in diagnostic radiography ?

A. CT-Scan B. Ultrasound C. MRI D. X-Ray Explanation: Most of the increased exposure in the United States is due…

4 years ago

The importance of perspiration is to ___________?

A. Eliminate body odours B. Improve the general health C. Open the pores in the skin D. Regulate body temperature…

4 years ago

Water soluble vitamins are released by__________?

A. Sweat B. Tears C. Injections D. Urine Explanation: Water-soluble vitamins usually are excreted in the urine of humans. Thiamin, riboflavin, vitamin…

4 years ago

Which of the following is a rich source of Vitamin B-12?

A. Cashew nut B. Milk C. Apple D. Watermelon Explanation: Milk and milk products are good sources of vitamin B12. Many…

4 years ago