Science Quiz: Reflection, Carbon, and Genetics

Reflection of Light

• Silver reflects the most light.
• White is the best reflector of light.
• Black is the best absorber of light.
• Instruments using light reflection include microscopes, telescopes, periscopes, and kaleidoscopes.
• Bio-luminescence examples include jellyfish, squid, lanternfish, and some fungi like bitter oyster.

Chapter 13: Carbon - An Important Element

• Carbon's abundance in the Earth's crust is 0.02% to 0.025%.
• A 1-carat diamond weighs 0.280 grams.
• Cellulose is the most abundant organic compound.
• Fire extinguisher types and their classifications include:
  • Red (Water) - Class A
  • Blue (Dry Powder) - Classes A, B, C, D, Electrical
  • Cream (Foam) - Classes A, B
  • Black (CO2) - Classes B, Electrical
  • Yellow (Wet Chemical) - Class A, F
• Vegetable oil contains unsaturated hydrocarbons.

Chapter 16: Genetics

• Hugo de Vries coined the term "mutation."
• Edwards' syndrome is a chromosomal abnormality caused by trisomy of the 18th chromosome.
• The codons for Glutamic acid are GAA and GAG.
• Gregor Mendel is known as the father of genetics.
• The X chromosome is larger than the Y chromosome.

Chapter 15: Life Processes

• A doctor specializing in kidney diseases is called a nephrologist.
• Normal human urine contains 2% to 2.5% urea.
• The pineal gland secretes melatonin.
• The length of the spinal cord is approximately 42 to 45 cm.
• Examples of insectivorous plants include pitcher plants, cobra lilies, butterworts, byblis, and genlisea.