Everyday Science
Everyday Science MCQs With Answers
741 Everyday Science MCQs for CSS, PPSC, FPSC, NTS and entry-test preparation. Take a scored quiz instead →
What term describes a body structure that has become significantly reduced or largely lost its original function over the course of evolution, often cited as evidence of an organism’s evolutionary history?
AA mutation only
BAn adaptation only
CA dominant trait
DA vestigial structure
In biology, what general term describes an inherited trait that helps an organism survive and successfully reproduce within its particular environment?
AA pathogen only
BA vestigial structure
CA mutation
DAn adaptation
What term describes the biological ability of certain organisms, such as starfish, to regrow a lost or damaged body part?
ARegeneration
BHibernation
CMetamorphosis
DMigration only
What term describes a symbiotic relationship between two different species in which one organism benefits at the direct expense or harm of the other?
AMutualism
BCooperation only
CCommensalism
DParasitism
Iron-deficiency anemia, one of the most common nutritional deficiencies worldwide, results from insufficient levels of which mineral needed to produce healthy hemoglobin?
AIron
BPotassium
CZinc
DCalcium
What term describes the developmental period during which a young person experiences significant physical changes and typically becomes capable of sexual reproduction?
AInfancy
BAdulthood only
CPuberty
DMenopause
In discussions of heart health, cholesterol is often categorized into which two main types, commonly nicknamed ‘good’ and ‘bad’ cholesterol?
ARBC and WBC
BATP and DNA
CHCl and NaOH
DHDL and LDL
What term describes the natural biological process marking the end of a woman’s menstrual cycles and reproductive fertility, typically occurring around midlife?
AOvulation only
BGestation
CMenopause
DPuberty
What term describes crops whose genetic material has been deliberately altered using biotechnology to introduce specific desired traits, such as pest resistance?
AHybrid crops only
BOrganic crops
CGenetically modified organisms, or GMOs
DHeirloom crops
Growth hormone, which plays a key role in stimulating physical growth during childhood and adolescence, is produced by which gland?
AThyroid gland
BPituitary gland
CAdrenal gland
DPancreas