Everyday Science
Everyday Science MCQs with Answers and Explanations
700+ everyday science MCQs with answers and detailed explanations for PPSC, FPSC, NTS & CSS. Repeated past-paper questions with the reasoning explained. Take a scored quiz instead →
Sound travels fastest in which of the following media?
AVacuum
BAir
CWater
DSteel
What is the primary heat transfer mechanism by which thermal energy from the Sun reaches the Earth?
AConduction
BConvection
CRadiation
DAdvection
What type of mirror is commonly used as a rearview mirror in motor vehicles?
APlane mirror
BConcave mirror
CConvex mirror
DParabolic mirror
Unit of electrical resistance in the International System of Units (SI) is:
AVolt
BAmpere
COhm
DWatt
Why does ice float on water?
AIce is denser than liquid water
BIce is less dense than liquid water
CIce absorbs air bubbles
DSurface tension holds ice above water
The principle behind the working of a hydraulic lift is based on:
AArchimedes' Principle
BBernoulli's Principle
CPascal's Law
DBoyle's Law
What is the speed of sound in air at 20°C?
A300 m/s
B1500 m/s
C343 m/s
D50 m/s
Which acid is found in vinegar?
AAcetic acid
BFormic acid
CCitric acid
DSulfuric acid
What is the process of converting a liquid into a gas called?
AFreezing
BCondensation
CEvaporation
DSublimation
Which part of the plant absorbs water and minerals from the soil?
AStem
BFlowers
CLeaves
DRoots