A) Okun’s law
B) Phillips curve
C) Say’s law
D) U-shape curve
Answer: B) Phillips curve
Category: SOCIAL SCIENCE
Which vitamin prevents night blindness?
A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin K
Answer: A) Vitamin A
Radiation used in TV remote controls:
A) Gamma rays
B) Infrared rays
C) X-rays
D) Ultraviolet rays
Answer: B) Infrared rays
Organ that filters blood:
A) Heart
B) Liver
C) Kidney
D) Pancreas
Answer: C) Kidney
Vitamin produced in skin by sunlight:
A) Vitamin A
B) Vitamin D
C) Vitamin K
D) Vitamin B12
Answer: B) Vitamin D
Blood’s red color is due to:
A) Plasma
B) Hemoglobin
C) Platelets
D) Myoglobin
Answer: B) Hemoglobin
Which element is liquid at room temperature?
A) Sodium
B) Mercury
C) Zinc
D) Iron
Answer: B) Mercury
Acid found in lemons:
A) Acetic acid
B) Citric acid
C) Hydrochloric acid
D) Tartaric acid
Answer: B) Citric acid
The gas used in soft drinks is:
A) Oxygen
B) Hydrogen
C) Carbon dioxide
D) Nitrogen
Answer: C) Carbon dioxide
Speed of light in vacuum is approximately:
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