Quiz 12 – Everyday Science Quiz-12 Everyday Science Intermediate Category (BPS-05 to BPS-15) Page 1 of 20 Which component of blood is mainly responsible for clotting? a) Red blood cells b) White blood cells c) Platelets d) Plasma Page 2 of 20 A solution having pH = 7 at 25°C is considered: a) Acidic b) Basic c) Neutral d) Alkaline Page 3 of 20 The lens used in a magnifying glass is: a) Concave b) Convex c) Plane d) Cylindrical Page 4 of 20 Which vitamin deficiency causes night blindness? a) Vitamin B₁ b) Vitamin C c) Vitamin A d) Vitamin D Page 5 of 20 The SI unit of pressure is: a) Atmosphere b) Bar c) Pascal d) mmHg Page 6 of 20 Sound cannot travel through: a) Air b) Water c) Steel d) Vacuum Page 7 of 20 The process by which plants lose water vapour through leaves is called: a) Respiration b) Photosynthesis c) Transpiration d) Guttation Page 8 of 20 Which gas is most abundant in the Earth’s atmosphere? a) Oxygen b) Carbon dioxide c) Argon d) Nitrogen Page 9 of 20 Which part of the eye controls the amount of light entering it? a) Retina b) Cornea c) Iris d) Lens Page 10 of 20 The boiling point of water decreases with: a) Increase in pressure b) Increase in temperature c) Decrease in pressure d) Increase in humidity Page 11 of 20 Which metal is liquid at room temperature? a) Sodium b) Lead c) Mercury d) Aluminium Page 12 of 20 The unit of electric current is: a) Volt b) Ohm c) Watt d) Ampere Page 13 of 20 Which phenomenon explains why the sky appears blue? a) Reflection b) Refraction c) Scattering of light d) Dispersion Page 14 of 20 Which enzyme is present in saliva? a) Pepsin b) Trypsin c) Amylase d) Lipase Page 15 of 20 The hardest naturally occurring substance is: a) Quartz b) Steel c) Graphite d) Diamond Page 16 of 20 Which vitamin helps in blood clotting? a) Vitamin A b) Vitamin B₁₂ c) Vitamin C d) Vitamin K Page 17 of 20 The device used to measure atmospheric pressure is called: a) Thermometer b) Hygrometer c) Anemometer d) Barometer Page 18 of 20 Which type of mirror is used in car rear-view mirrors? a) Plane mirror b) Concave mirror c) Convex mirror d) Cylindrical mirror Page 19 of 20 Which gas is released during photosynthesis? a) Carbon dioxide b) Nitrogen c) Hydrogen d) Oxygen Page 20 of 20 The main function of white blood cells is to: a) Carry oxygen b) Help in digestion c) Fight against infections d) Control body temperature Please provide your contact information to proceed.Email Address *First Name *Consent *Yes, I agree with the privacy policy and terms and conditions.Start Quiz