Category: Biology MCQs FPSC NTS PPSC Past Papers Test Questions

Biology MCQs quiz test questions with answers for FPSC CSS PPSC NTS SPSC KPPSC test preparation, including questions from biology past papers. Basic Biology MCQ of class 9, 10, 11, 12 and advanced Biology MCQs of BSc, MSc or Masters level.

Which part of the brain controls balance and coordination?

(A) Cerebrum
(B) Medulla
(C) Cerebellum
(D) Hypothalamus

The answer is: (C) Cerebellum
The part of the brain that controls balance and coordination is the cerebellum. The cerebellum, which means “little brain” in Latin, is located at the back of the brain, just below the cerebrum. Its main functions are to: coordinate voluntary movements, maintain balance and posture, and motor learning.

Which condition can result from damage to the cerebellum?

(A) Ataxia
(B) Paralysis
(C) Epilepsy
(D) Dementia

The answer is: (A) Ataxia
Damage to the cerebellum can lead to a condition called ataxia, which is a loss of muscle coordination and can cause balance problems, unsteady walking, and difficulty with fine motor skills.

Which organism is considered both living and non-living?

(A) Fungi
(B) Algae
(C) Virus
(D) Protozoa

The answer is: (C) Virus
The organism considered both living and non-living is a virus. Viruses are unique because they have characteristics of both living and non-living things, which is why they are often referred to as being on the “edge of life.”

There are ________ ventricles in the brain.

(A) 5
(B) 4
(C) 3
(D) 1

The answer is: (B) 4
There are 4 ventricles in the brain. Their main function is to produce and secrete cerebrospinal fluid to protect and maintain your central nervous system.

Covid-19 was caused by a

(A) Fungus
(B) Virus
(C) Bacterial
(D) None of these

The answer is: (B) Virus
Covid-19 was caused by a virus and antibiotics do not work against viruses.