3721. Which gas do plants absorb during photosynthesis?
✅ D. Carbon dioxide
a: Oxygen | b: Nitrogen | c: Hydrogen | d: Carbon dioxide Read more
Everyday Science MCQs – Page 187
3722. Which instrument is used to measure temperature?
✅ A. Thermometer
A thermometer measures temperature. Read more
3723. Which gas is essential for human aerobic respiration?
✅ C. Oxygen
Oxygen is required for aerobic cellular respiration. Read more
3724. Which organ mainly filters waste products from blood to form urine?
✅ B. Kidneys
The kidneys filter blood and form urine. Read more
3725. What is the SI unit of electric current?
✅ D. Ampere
The ampere is the SI unit of electric current. Read more
3726. Which vitamin can be synthesized in skin with adequate sunlight exposure?
✅ B. Vitamin D
Sunlight exposure enables vitamin D synthesis in skin. Read more
3727. What is the SI unit of force?
✅ A. Newton
The SI unit of force is the newton. Read more
3728. Which part of a plant performs most photosynthesis?
✅ A. Leaves
Most photosynthesis occurs in leaves. Read more
3729. At standard atmospheric pressure, water boils at?
✅ A. 100°C
Water boils at 100°C under standard atmospheric pressure. Read more
3730. Which blood cells primarily carry oxygen?
✅ C. Red blood cells
Red blood cells carry oxygen using hemoglobin. Read more
3731. At standard atmospheric pressure, water freezes at?
✅ A. 0°C
Water freezes at 0°C under standard atmospheric pressure. Read more
3732. What is the basic structural and functional unit of life?
✅ B. Cell
The cell is the basic structural and functional unit of life. Read more
3733. Which planet is closest to the Sun?
✅ B. Mercury
Mercury is the closest planet to the Sun. Read more
3734. What force attracts objects toward Earth?
✅ D. Gravity
Gravity attracts masses toward one another. Read more
3735. Which organ pumps blood through the human body?
✅ D. Heart
The heart pumps blood through the circulatory system. Read more
3736. Which gas is most abundant in Earth’s atmosphere?
✅ B. Nitrogen
Nitrogen makes up about 78% of Earth's atmosphere. Read more
3737. Which organ mainly filters waste products from blood to form urine?
✅ B. Kidneys
The kidneys filter blood and form urine. Read more
3738. Which instrument is used to measure temperature?
✅ A. Thermometer
A thermometer measures temperature. Read more
3739. Which gas is essential for human aerobic respiration?
✅ C. Oxygen
Oxygen is required for aerobic cellular respiration. Read more
3740. What is the SI unit of electric current?
✅ D. Ampere
The ampere is the SI unit of electric current. Read more