General Science Questions with Answers

91. Which acid is commonly used in car batteries?

• A) Formic acid
• B) Phosphoric acid
• C) Citric acid
• D) Sulphuric acid

92. What deficiency causes goitre?

• A) Magnesium
• B) Zinc
• C) Potassium
• D) Iodine

93. Who discovered radioactivity?

• A) Henri Becquerel
• B) Max Planck
• C) Niels Bohr
• D) Albert Einstein

94. What is the term for species confined to a specific area and found nowhere else?

• A) Invasive species
• B) Migratory species
• C) Endemic species
• D) Exotic species

95. Which substance is also known as 'Oil of Vitriol'?

• A) Phosphoric Acid
• B) Sulphuric Acid
• C) Acetic Acid
• D) Formic Acid

96. Who is considered the 'father of the handheld cell phone'?

• A) Steve Jobs
• B) Alexander Graham Bell
• C) Martin Cooper
• D) Nikola Tesla

97. What type of force is buoyancy on a floating body?

• A) Upward
• B) Downward
• C) Lateral
• D) Frictional

98. Which metal melts at human body temperature?

• A) Gallium
• B) Cesium
• C) Mercury
• D) Sodium

99. Which of the following is not a biodegradable pollutant?

• A) Food waste
• B) Pesticide
• C) Wood
• D) Cotton

100. Which gland is referred to as the biological clock?

• A) Pituitary
• B) Hypothalamus
• C) Pancreas
• D) Pineal