Q: What type of light is composed of many rays having random polarization directions? Choices: - reflected light - polarized light - diffracted light - unpolarized light A:
unpolarized light

Q: Hormones produced by what gland in the neck increase the rate of metabolism in cells throughout the body? Choices: - pituitary - kidney - thymus - thyroid A:
thyroid

Q: Q: Stars spend most of their lives on the main sequence, fusing hydrogen into what? Choices: - neon - carbon - nitrogen - helium A:
A: helium

Question: Q: Water is the solvent in solutions called acids and? Choices: - proteins - alkalines - nutrients - bases A:
Answer: bases

*Question*
Q: What type of sunlight inhibits vertical growth in a plant? Choices: - infrared - reduced - indirect - direct A:
**Answer**
direct

Q: Q: What are intervertebral discs made of? Choices: - intercartilage - fibrotissue - connective cartilage - fibrocartilage A:
A: fibrocartilage