Main Subjects
Main Subjects MCQs With Answers
0 Main Subjects MCQs for CSS, PPSC, FPSC, NTS and entry-test preparation. Take a scored quiz instead →
Computer (406)
Current Affairs (1218)
English (1391)
Everyday Science (687)
General Knowledge (681)
Islamic Studies (850)
Mathematics (1392)
Pakistan Studies (811)
Which statement about bacteria in the human digestive system is accurate?
AAll bacteria in the gut are harmful and cause disease
BMany gut bacteria are beneficial and assist with digestion and vitamin production
CGut bacteria play no role in the immune system
DThe human gut naturally contains no bacteria at all
What term describes an involuntary, rapid response to a stimulus, such as pulling a hand away from a hot object?
ACognitive response
BReflex action
CVoluntary action
DConditioned learning
What is a key difference between how viruses and bacteria typically reproduce?
AViruses need to infect a host cell to reproduce, while bacteria can reproduce independently
BBoth reproduce in exactly the same way
CBacteria need a host cell to reproduce, while viruses reproduce independently
DViruses can reproduce independently, while bacteria cannot reproduce at all
Which of the following lists the five traditionally recognized basic human senses?
ASight, hearing, smell, taste, and touch
BSight, balance, hunger, thirst, and pain
CSmell, taste, balance, memory, and touch
DHearing, touch, temperature, hunger, and sight
The discovery of penicillin, the first widely used antibiotic, is credited to which scientist?
ALouis Pasteur
BRobert Koch
CAlexander Fleming
DEdward Jenner
Which structure within the inner ear converts sound vibrations into nerve signals that the brain can interpret?
ACochlea
BEardrum
COuter ear canal
DEustachian tube
Louis Pasteur is best known for developing which heat-treatment process, along with contributing to the germ theory of disease?
AFermentation testing
BElectrolysis
CVulcanization
DPasteurization
How do sweat glands in human skin primarily help regulate body temperature?
ABy releasing sweat that cools the body as it evaporates from the skin
BBy slowing down blood flow to the skin
CBy producing heat directly
DBy absorbing heat from the surrounding air
Hepatitis, a condition that can be caused by several different viruses, primarily affects which organ?
AThe kidneys
BThe lungs
CThe liver
DThe heart
Which of the following correctly lists the three main types of muscle tissue found in the human body?
ARed, white, and pink muscle
BVoluntary, striated, and elastic muscle
CFast, slow, and medium muscle
DSkeletal, smooth, and cardiac muscle