Everyday Science — All MCQs
2717 questions available
Q1.The steep walled valleys having narrow depressions and are cut by the streams and rivers are called?
Correct Answer: A
Q2.Geostationary Satellite round of earth surface covered at which longitude angle?
Correct Answer: C
Q3.When Air vertically reaches the ground?
Correct Answer: A
Q4.Who invented the X-rays?
Correct Answer: A
Q5.Robert Watson invented which?
Correct Answer: B
Q6.The Mercury Thermometer was invented by?
Correct Answer: A
Q7.The normal frequency of human hearing is:
Correct Answer: A
Q8.Atomic Number of Hydrogen is:
Correct Answer: A
Q9.SI stands for:
Correct Answer: A
Q10.Internal Digital phenomena include Volcanism, tech tonic plates and ____?
Correct Answer: C
Internal (endogenic) geological processes include volcanism, tectonic plate movement, and diastrophism (deformation of the earth's crust).
Q11.Elevated rocks blocks left standing between faults are called?
Correct Answer: C
Horsts are elevated blocks of the earth's crust left standing between two faults, bounded by grabens.
Q12.Which is used in Celling Fans?
Correct Answer: A
Ceiling fans use induction motors that work with both electromagnets and permanent magnets.
Q13.Which of the following is Herbivore?
Correct Answer: C
A cow is a herbivore, meaning it feeds only on plants and vegetation.
Q14.Rainbow is formed by?
Correct Answer: D
A rainbow is formed by the dispersion of sunlight into its constituent colors as it passes through water droplets.
Q15.Which of the following contains two nuclei?
Correct Answer: A
Paramecium is a ciliate protozoan that has two nuclei: a macronucleus and a micronucleus.
Q16.Einstein E=MC2 represent?
Correct Answer: B
Einstein's equation E=mc² expresses the equivalence of mass and energy.
Q17.Removal of lons from hard water is called?
Correct Answer: A
The process of removing hardness-causing ions (calcium, magnesium) from water is called water softening.
Q18.Main cause of smog in Lahore is?
Correct Answer: A
Smog in Lahore is mainly caused by vehicular pollution combined with industrial emissions.
Q19.Telephone was invented by?
Correct Answer: B
The telephone was invented by Alexander Graham Bell.
Q20.What is the Atoll?
Correct Answer: A
An atoll is a ring-shaped coral reef, island, or series of islets surrounding a lagoon.