Biology
What pigment gives plants their green color?
Chlorophyll.
What is the term for a group of stars that form a recognizable pattern in the night sky?
Answer: Constellation.
What is the chemical formula for table salt?
Answer: NaCl (sodium chloride).
What is the largest organ in the human body?
Answer: The skin.
What is the SI unit of measurement for electric current?
Answer: Ampere (A).
Which blood cells are responsible for fighting infections?
White blood cells (leukocytes).
What is the name of the closest galaxy to the Milky Way?
Answer: The Andromeda Galaxy.
What is the name of the process where a solid changes directly into a gas without passing through the liquid phase?
Answer: Sublimation.
What is the name of the largest artery in the human body?
Answer: Aorta.
A car travels at a constant speed of 60 km/h for 2 hours. How far does it travel?
120 km.
What is the name of the system responsible for producing hormones that regulate various bodily functions?
Answer: The endocrine system.
What is the name of the spacecraft that was the first to successfully land on Mars?
Answer: Viking 1.
Convert 500 Kelvin to Celsius.
C≈226.85
What is the name of the membrane that lines the walls of the thoracic cavity and covers the lungs?
Answer: Pleura.
A car accelerates uniformly from rest to a speed of 20 m/s in 5 seconds. What is its acceleration?
4m/s2
What is the name of the phenomenon where an organism can regrow lost body parts? Answer:
Regeneration.
What is the name of the region beyond the orbit of Neptune where small icy bodies are found?
Answer: The Kuiper Belt.
What is the chemical symbol for element Tin?
Sn
What is the name of the gland responsible for regulating calcium levels in the blood and involved in bone metabolism?
Answer: Parathyroid gland.
An object is dropped from rest. If it falls freely for 2 seconds, what is its final velocity? (Assuming no air resistance, and the acceleration due to gravity is 9.8 m/s2
vf=19.6m/s
What is the name of the structure within the nucleus that is responsible for producing ribosomal RNA (rRNA) and assembling ribosomes?
Answer: Nucleolus.
What is the name of the telescope launched into orbit by NASA in 1990 that has provided some of the most detailed images of distant galaxies and nebulae?
Answer: The Hubble Space Telescope.
Convert 100°C to Fahrenheit.
212°F.
What is the name of the area in the brain responsible for regulating vital functions such as breathing, heartbeat, and blood pressure?
Answer: The medulla oblongata.
A 5000 kg truck traveling at 20 m/s collides with a stationary car and comes to a stop in 5 seconds. What is the magnitude of the average force exerted on the truck?
2000N