General Science — Quick Revision 15

Q1.Largest gland:

A. Thyroid B. Pancreas C. Liver D. Pituitary

Q2.Smallest bone:

A. Femur B. Stapes C. Radius D. Patella

Q3.pH of blood:

A. 6.5 B. 7.0 C. 7.4 D. 8.0

Q4.Speed of light:

A. 3×10⁶ B. 3×10⁸ C. 3×10¹⁰ D. 3×10¹²

Q5.Universal donor:

A. A B. B C. AB D. O

Q6.Baking soda:

A. NaCl B. NaHCO₃ C. Na₂CO₃ D. CaCO₃

Q7.Liquid metal:

A. Gold B. Silver C. Mercury D. Platinum

Q8.Hardest substance:

A. Gold B. Iron C. Diamond D. Platinum

Q9.Ohm's Law:

A. F=ma B. V=IR C. E=mc² D. PV=nRT

Q10.Laughing gas:

A. CO B. N₂O C. CO₂ D. NO

Q11.Sound fastest in:

A. Vacuum B. Air C. Water D. Solids

Q12.Human hearing range:

A. 1-100 Hz B. 20-20,000 Hz C. 100-50,000 Hz D. 500-100,000 Hz

Q13.Haemoglobin has:

A. Copper B. Zinc C. Iron D. Calcium

Q14.Photosynthesis releases:

A. CO₂ B. N₂ C. O₂ D. H₂

Q15.Dry ice:

A. Solid O₂ B. Solid N₂ C. Solid CO₂ D. Solid H₂O