Author: Shumaim Naeem

A) Vitamin A
B) Vitamin D
C) Vitamin K
D) Vitamin B12
Answer: B) Vitamin D

A) Plasma
B) Hemoglobin
C) Platelets
D) Myoglobin
Answer: B) Hemoglobin

A) Sodium
B) Mercury
C) Zinc
D) Iron
Answer: B) Mercury

A) Acetic acid
B) Citric acid
C) Hydrochloric acid
D) Tartaric acid
Answer: B) Citric acid

A) Oxygen
B) Hydrogen
C) Carbon dioxide
D) Nitrogen
Answer: C) Carbon dioxide

A) 3 × 10⁵ m/s
B) 3 × 10⁸ m/s
C) 3 × 10⁶ m/s
D) 3 × 10³ m/s
Answer: B) 3 × 10⁸ m/s

A) Saturn
B) Jupiter
C) Mars
D) Uranus
Answer: A) Saturn (recent data)

A) Thermometer
B) Barometer
C) Hygrometer
D) Altimeter
Answer: B) Barometer

A) Troposphere
B) Stratosphere
C) Mesosphere
D) Exosphere
Answer: B) Stratosphere