*Question*
Q: Which type of galaxies contain very little gas and dust, are red to yellow in color, contain over a trillion stars and have mostly old stars? Choices: - blue elliptical galaxies - giant orbital galaxies - giant gaseous galaxies - giant elliptical galaxies A:
**Answer**
giant elliptical galaxies

*Question*
Q: What is used to measure current through a resistor? Choices: - thermometers - spectrographs - microscopes - ammeters A:
**Answer**
ammeters

*Question*
Q: Cellular respiration that proceeds in the presence of oxygen is known as what? Choices: - digestive respiration - anaerobic respiration - kinetic respiration - aerobic respiration A:
**Answer**
aerobic respiration

*Question*
Q: What branch of biology focuses on heredity? Choices: - botany - cell biology - zoology - genetics A:
**Answer**
genetics