Everyday Science — All MCQs
2717 questions available
Q2681.Laughing gas is also called:
Correct Answer: C
Laughing gas is nitrous oxide (N₂O).
Q2682.What is the SI unit of illuminance?
Correct Answer: B
The SI unit of illuminance is lux.
Q2683.Our earth is divided into how many climate zones
Correct Answer: B
Earth is broadly divided into three main climate zones.
Q2684.Choose analogous pair Light:Glint
Correct Answer: C
A Glint is a brief, sudden flash of Light; a Blare is a loud, sudden burst of Sound — the same intensity relationship.
Q2685.Punjab Govt Established a body for women Protection in 2017:
Correct Answer: B
In 2017, Punjab established the Punjab Women Protection Authority.
Q2686.Which author has been selected for the Booker prize 2020 for his work"Shuggie Brain'?
Correct Answer: B
Douglas Stuart won the 2020 Booker Prize for 'Shuggie Bain'.
Q2687.On August 4, 2020, the Government published a map of Pakistan and announced that if anybody using incorrect map of Pakistan, He will face ------
Correct Answer: C
Violators face both a monetary fine and imprisonment under the updated map law.
Q2688.A cooling agent that has lower temperature than water ice, is solid form of _______.
Correct Answer: C
Solid Carbon Dioxide, known as 'dry ice', is colder than water ice and is used as a cooling/refrigerant agent.
Q2689.Biogas produced as a result of anaerobic decay of organic matter consists primarily of ______gases.
Correct Answer: D
Biogas primarily consists of Methane (CH4) and Carbon Dioxide (CO2).
Q2690.Which Muslim Scientist is considered to be the founder of chemistry.
Correct Answer: B
Jabir ibn Hayyan is widely regarded as the father of early/modern chemistry for his pioneering experimental methods.
Q2691.Choose the correct meaning of: Hide one's light under a bushel
Correct Answer: B
This idiom means to conceal one's talent.
Q2692.A light sensitive device that convert drawing printed text or other images into digital form is
Correct Answer: B
A Scanner is a light-sensitive device that converts printed material into digital form.
Q2693.At approximately what altitude is most of the ozone layer found?
Correct Answer: B
Most atmospheric ozone is concentrated in the stratosphere roughly 20–30 km above Earth.
Q2694.He was embarrassed because everybody was laughing _______ him
Correct Answer: B
At' is the correct preposition — 'laughing at someone'.
Q2695.Which gas is commonly used in incandescent light bulbs?
Correct Answer: A
Incandescent bulbs commonly contain argon or an argon–nitrogen mixture.
Q2696."The diversity of species on Earth is generating itself "Proved the Ideas of:
Correct Answer: B
This concept of species diversity arising through natural processes reflects Charles Darwin's theory of evolution by natural selection.
Q2697.Insect Breathe through:
Correct Answer: A
Insects breathe through a network of tiny tubes called Spiracles, which lead to their tracheal system.
Q2698.Proton was discovered by:
Correct Answer: D
None of the listed physicists (Thomson, Chadwick, Goldstein) is the accepted discoverer here in the standard sense — the proton is credited to Ernest Rutherford, which is why 'None of these' is marked correct.
Q2699.A chemical solution has 8% acid. The acid is 15 ML the total volume of solution is
Correct Answer: B
If 8% of total = 15 mL, total = 15/0.08 = 187.5 mL.
Q2700.For Food Security Which Organization of United Nation Works?
Correct Answer: A
The Food and Agriculture Organization (FAO) is the UN body focused on food security and agriculture.