Science Technology Questions with Answers

61. A temperature of 60°C is equivalent to what in Fahrenheit?

• A) 120°F
• B) 140°F
• C) 160°F
• D) 180°F

62. Which solution is used to test for sugar in blood and urine?

• A) Benedict's solution
• B) Fehling's solution
• C) Tollen's reagent
• D) Barfoed's reagent

63. Hydrophobia is a symptom of which disease?

• A) Dengue
• B) Tuberculosis
• C) Cholera
• D) Rabies

64. Cotton dust from textile mills causes which disease?

• A) Asbestosis
• B) Pneumoconiosis
• C) Mesothelioma
• D) Byssinosis

65. Who discovered that malaria is transmitted by mosquitoes?

• A) Alexander Fleming
• B) Robert Koch
• C) Ronald Ross
• D) Jonas Salk

66. What does LASER stand for?

• A) Light Absorption by Stimulated Emission of Radiation
• B) Light Amplification by Steady Emission of Radiation
• C) Light Amplification by Stimulated Emission of Radiation
• D) Light Absorption by Steady Emission of Radiation

67. Which vitamin aids in the absorption of calcium?

• A) Vitamin A
• B) Vitamin B6
• C) Vitamin K
• D) Vitamin D

68. How many chromosomes are there per cell in the human body?

• A) 46
• B) 48
• C) 44
• D) 50

69. What is the main component of natural gas?

• A) Ethane
• B) Methane
• C) Propane
• D) Butane

70. Which gas is most abundant in Earth's atmosphere?

• A) Oxygen
• B) Carbon dioxide
• C) Nitrogen
• D) Argon