A) Lysosome
B) Mitochondria
C) Golgi apparatus
D) Endoplasmic reticulum
Answer: B) Mitochondria
Category: Science
The second law of thermodynamics is related to:
A) Conservation of momentum
B) Entropy increase
C) Energy conservation
D) Mass-energy equivalence
Answer: B) Entropy increase
The half-life of Carbon-14 is about:
A) 2730 years
B) 3500 years
C) 5730 years
D) 7500 years
Answer: C) 5730 years
Hearing range of normal human ear is:
A) 10 – 10,000 Hz
B) 20 – 20,000 Hz
C) 50 – 50,000 Hz
D) 100 – 25,000 Hz
Answer: B) 20 – 20,000 Hz
Which instrument is used to measure blood pressure?
A) Stethoscope
B) Barometer
C) Sphygmomanometer
D) Thermometer
Answer: C) Sphygmomanometer
Deficiency of iodine causes:
A) Rickets
B) Goitre
C) Scurvy
D) Anemia
Answer: B) Goitre
The gas used in refrigerators is:
A) Carbon dioxide
B) Methane
C) Freon
D) Ammonia
Answer: C) Freon
The SI unit of Force is:
A) Joule
B) Newton
C) Watt
D) Pascal
Answer: B) Newton
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