General Science - MCQs
Explore our diverse range of General Science MCQs, encompassing key topics such as Physics, Chemistry, Biology, Earth Sciences, and Environmental Science. These General Science questions are vital for students preparing for competitive exams conducted by FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA, and other testing agencies in Pakistan. Strengthen your understanding of fundamental scientific principles and enhance your exam readiness with our expertly crafted MCQs, designed to help you excel in a variety of assessments.
Which layer of Earth’s atmosphere contains the ozone layer?
A. Troposphere
B. Mesosphere
C. Stratosphere
D. Thermosphere
Answer: Stratosphere
What phenomenon causes the sky to appear blue?
A. Reflection
B. Refraction
C. Scattering
D. Absorption
Answer: Scattering
Which process converts sugar into alcohol?
A. Respiration
B. Fermentation
C. Photosynthesis
D. Evaporation
Answer: Fermentation
What is the boiling point of water at sea level?
A. 90°C
B. 100°C
C. 110°C
D. 120°C
Answer: 100°C
What is the pH range of an acidic solution?
A. 0 to 7
B. 7 to 14
C. 7 only
D. 14 to 21
Answer: 0 to 7
What is the pH value of pure water?
A. 5
B. 7
C. 9
D. 11
Answer: 7
What is the capital city of Australia?
A. Sydney
B. Melbourne
C. Canberra
D. Perth
Answer: Canberra
Which element is used in pencils for writing?
A. Graphite
B. Lead
C. Charcoal
D. Copper
Answer: Graphite
What type of rock is formed by volcanic activity?
A. Sedimentary
B. Metamorphic
C. Igneous
D. Fossil
Answer: Igneous
What is the chemical symbol for water?
A. O2
B. H2O
C. CO2
D. NaCl
Answer: H2O