MCQs

Q11: Sound cannot travel through ______?

• A) Solid
• B) Vacuum
• C) Gases

Q12: The Sun is a _______? سورج ایک _____ ہے؟

• A) Planet
• B) Element
• C) Star

Q13: The percentage of Oxygen in the air is _____?

• A) 20.94%
• B) 21.94%
• C) 22.94%

Q14: Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water?

• A) Filtration
• B) Reverse Osmosis (RO)
• C) Sedimentation

Q15: The largest planet of the solar system is _____?

• A) Earth
• B) Mars
• C) Jupiter

Q16: All veins transport de-oxygenated blood to the heart except?

• A) Pulmonary Vein
• B) Pulmonary Artery
• C) Veins

Q17: The process of movement of water/solvent molecules from a region of higher concentration to a region of lower concentration through a semipermeable membrane is called ________?

• A) Induction
• B) Transportation
• C) Osmosis

Q18: In plants, which part transports sugar (photosynthetic products) produced in the leaves to all parts of plants?

• A) Phloem
• B) Xylem
• C) Stomata

Q19: How many states of matters are there?

• A) 1
• B) 2
• C) 3

Q20: The SI unit of energy is?

• A) Kelvin
• B) Joule
• C) Temperature