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.

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.

Which of the following is a vitamin?

(A) Ascorbic acid
(B) Acetic acid
(C) Tartaric acid
(D) None of these

The answer is: (A) Ascorbic acid
Ascorbic acid (Vitamin C) is commonly found in citrus fruits and vegetables. Vitamin C also functions as an antioxidant.

Enzyme can only function when it attains

(A) Tertiary structure
(B) Quaternary structure
(C) Secondary structure
(D) Primary structure

The answer is: (A) Tertiary structure
Enzyme can only function when it attains Tertiary structure.

Which papillae have the most taste buds?

(A) Foliate
(B) Filiform
(C) Fungiform
(D) Circumvallate

The answer is: (D) Circumvallate
There are three types of papillae: fungiform (contain 25% of the total number of taste buds), circumvallate (50% of the taste buds), and foliate (25% of the taste buds).