Question: What is the life process used by cells to produce energy for cellular activities called?
Photosynthesis
Dehydration synthesis
Cellular energetics
Cellular respiration
Incorrect Answer
Correct Answer This process involves the burning of sugar in the presence of oxygen and releases carbon dioxide and water into its surrounding environment.
Science Quiz
Question: What is the name given to the green pigment in plants?
Chlorophyll
Stomata
Starch
Tendrils
Incorrect Answer
Correct Answer
Science Quiz
Question: Which of the following is a parasite?
Zebra
Wolves
Ringworm
Pigs
Incorrect Answer
Correct Answer
Science Quiz
Question: Which of the following helps keep body cool?
Respiration
Urination
Mastication
Perspiration
Incorrect Answer
Correct Answer
Science Quiz
Question: Why do variable stars pulsate in brightness?
Gain in mass
Expansion & contraction of the outer layers
Constant contraction
Movement at a fixed rate
Incorrect Answer
Correct Answer Variable stars pulsate due to the expansion and contraction of their outer layers.
Space Quiz , Science Quiz
Question: Where are the youngest stars of the galaxy located?
Central bulge
Black holes
Halo
Spiral arms
Incorrect Answer
Correct Answer The youngest stars of the galaxy are located in the spiral arms of the rotating disk.
Space Quiz , Science Quiz
Question: What is located at the center of the Milky Way?
Gamma rays
A supermassive black hole
A supernova
Gas clouds
Incorrect Answer
Correct Answer Scientists believe that Sagittarius A, the center of the galaxy, is a supermassive black hole.
Space Quiz , Science Quiz
Question: How many stars are in the disk of the Milky Way?
The number you can see On a clear night
1 million
100,000
100 billion
Incorrect Answer
Correct Answer Scientists estimate that 100 billion stars are in the Milky Way's disk.
Space Quiz , Science Quiz
Question: What do astronomers use to map the shape of the Milky Way?
Visible light
Infrared rays
Radio waves
Gamma rays
Incorrect Answer
Correct Answer Astronomers use radio waves to map the shape of the Milky Way.
Space Quiz , Science Quiz
Question: What are the oldest-known objects in the Milky Way?
Active galactic nuclei
Dwarf ellipticals
Globular clusters
Black holes
Incorrect Answer
Correct Answer Globular clusters are located in the halo of the Milky Way and are the oldest-known objects.
Space Quiz , Science Quiz