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WorksheetsChemistry of Life
Total questions: 10
Worksheet time: 5mins
Which two substances are among the six most abundant elements in living things?
carbon (C)
sodium (Na)
fluorine (F)
hydrogen (H)
Which two substances are among the four major types of organic compounds made by living things?
Water
Carbon Dioxide
Lipids
Nucleic Acids
Which two substances are among the six most abundant elements in living things?
Chlorine
Calcium
Nitrogen
Helium
Which two substances are among the four major types of organic compounds made by living things?
carbohydrates
proteins
water
potassium
Which statement best describes the movement of carbon dioxide into or out of a plant during photosynthesis?
it is taken from the air
it is taken from the soil
it is given off into the air
it is given off into the soil
Which model best shows the movement of water during photosynthesis?
atmosphere --> soil
atmosphere --> plant
soil --> plant
plant --> soil
Which statement best describes the movement of water into or out of a plant during photosynthesis?
It is taken in from the air
it is taken in from the soil
it is made in the plant
it is given off into the soil
Which model best shows the movement of oxygen during photosynthesis?
atmosphere --> plant
soil --> plant
plant --> soil
plant --> atmosphere
What happens first during cellular respiration?
The formation of many molecules of ATP
The breakdown of food molecules into smaller organic molecules
The movement of small organic molecules into a mitochondrion
The breakdown of small organic molecules into carbon dioxide
Which two substances are reactants in the chemical reactions of cellular respiration? Remember, reactants are the "ingredients used." Products are the materials created with those ingredients.
sugar
oxygen
carbon dioxide
water
