Everyday Science
Everyday Science MCQs With Answers
696 Everyday Science MCQs for CSS, PPSC, FPSC, NTS and entry-test preparation. Take a scored quiz instead →
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Which instrument is used to measure the purity of milk by checking its specific gravity?
AAnemometer
BBarometer
CHydrometer
DLactometer
Which device is used to measure atmospheric pressure?
AManometer
BBarometer
CHygrometer
DThermometer
Sneezing is generally understood to be a protective reflex primarily serving what biological function?
AForcefully expelling irritants or foreign particles from the nasal passages
BRegulating overall body temperature
CProducing additional saliva
DImproving long-term memory
Coughing is generally understood to be a protective reflex primarily serving what biological function?
AHelping to clear irritants, mucus, or foreign particles from the airways
BRegulating blood pressure
CProducing additional stomach acid
DImproving eyesight
In ecology, what term describes a large-scale geographic region characterized by its distinctive climate and the particular types of plant and animal life typically found there, such as a desert or a rainforest?
AHabitat only
BBiome
CFood chain
DEcosystem service only
The carbon cycle describes the continuous natural movement of carbon between which of the following components of Earth’s environment?
AThe atmosphere, living organisms, oceans, and soil
BOnly within the human body
COnly between different planets in the solar system
DOnly between different types of rocks
Glucagon, a hormone produced by the pancreas, generally has what specific effect on blood sugar levels, working in a complementary way alongside insulin?
AIt converts blood sugar directly into fat only
BIt has absolutely no measurable effect on blood sugar levels
CIt raises blood sugar levels
DIt lowers blood sugar levels
Antidiuretic hormone, or ADH, released by the pituitary gland, primarily helps regulate what specific bodily process?
AMuscle contraction speed
BThe reabsorption of water within the kidneys, helping conserve the body's fluid balance
CThe sense of taste
DThe production of new red blood cells
What general term describes a medical condition in which a person’s own immune system mistakenly attacks and damages the body’s own healthy cells or tissues?
AAn autoimmune disease
BAn infectious disease
CA genetic mutation only
DA vitamin deficiency only
What term describes the individual chemical building blocks that link together in various sequences to form proteins?
AAmino acids
BFatty acids only
CMonosaccharides only
DNucleotides