Science MCQs
Science MCQs offer a general overview of multiple scientific disciplines such as physics, chemistry, and biology. These questions are ideal for students, job seekers, and competitive exam candidates looking to enhance their scientific knowledge. Whether you're preparing for SSC, HSSC, or general job tests, these MCQs provide a mix of theoretical and practical science questions. This category is particularly useful for testing concepts related to laws of motion, periodic table, cell structure, human anatomy, electricity, and more. The MCQs are curated to support concept building and revision. They also help in developing problem-solving abilities and logical analysis skills, which are crucial in science-based exams.
Q: Gas needed for fire to burn
A) Oxygen
B) Helium
C) Carbon dioxide
D) Nitrogen
Q: Smallest unit of an element
A) Molecule
B) Atom
C) Proton
D) Cell
Q: Function of white blood cells
A) Aid digestion
B) Fight infections
C) Carry nutrients
D) Transport oxygen
Q: Part of eye controlling light entry
A) Retina
B) Iris
C) Cornea
D) Lens
Q: Metal used in thermometers
A) Mercury
B) Iron
C) Copper
D) Silver
Q: Natural source of Vitamin D
A) Fruits
B) Sunlight
C) Fish
D) Milk
Q: Instrument measuring air pressure
A) Thermometer
B) Altimeter
C) Barometer
D) Anemometer
Q: Human body’s largest internal organ
A) Lung
B) Heart
C) Liver
D) Stomach
Q: Blood component carrying oxygen
A) Red cells
B) White cells
C) Platelets
D) Plasma
Q: Layer protecting Earth from UV rays
A) Troposphere
B) Ozone layer
C) Stratosphere
D) Exosphere