Want to see correct answers?
Login or join for free!

Search Results for oxygen - All Grades

1547 questions match "oxygen". Refine Your Search

Select questions to add to a test using the checkbox above each question. Remember to click the add selected questions to a test button before moving to another page.

Previous Page 3 of 78 Next
Grade 9 Enlightenment
Who discovered oxygen?
  1. Lavoisier
  2. Priestley
  3. Beccher
  4. Stahl
Grade 4 Biochemical Pathways
Plants take in                         and give off                        .
  1. carbon dioxide; oxygen
  2. helium; oxygen
  3. carbon dioxide; glucose
  4. oxygen; carbon dioxide
Grade 10 Reactions
When zinc is exposed to air, zinc oxide is produced. What happens in this reaction?
  1. Zinc is oxidized, and oxygen is reduced.
  2. Zinc is reduced, and oxygen is oxidized.
  3. Both zinc and oxygen are oxidized.
  4. Both zinc and oxygen are reduced.
Grade 8 Periodic Table and Elements
Which statement is NOT true?
  1. Oxygen does not burn.
  2. Oxygen supports ordinary combustion.
  3. Oxygen constitutes 80% of the atmosphere.
  4. Oxygen is essential for the existence of living beings.
Continuing Education Occupational Safety (OSHA)
An oxygen deficient atmosphere contains:
  1. less than 19.5% oxygen
  2. less than 22% oxygen
  3. less than 23% oxygen
  4. less than 16% oxygen
Continuing Education Macromolecules
Grade 9 Biochemical Pathways
Which elements are usually found in the majority of living things?
  1. oxygen, carbon, hydrogen, and calcium
  2. oxygen, carbon, hydrogen, and nitrogen
  3. oxygen, carbon dioxide, hydrogen, and nitrogen
  4. oxygen, carbon, sodium, and nitrogen
Grade 10 Biochemical Pathways
Glycolysis is
  1. anaerobic (does not require oxygen).
  2. aerobic (requires oxygen).
Grade 9 Biochemical Pathways
What are the products of cellular respiration?
  1. oxygen and ATP
  2. oxygen and carbon dioxide
  3. ATP, carbon dioxide, and water
  4. oxygen, glucose, and carbon dioxide
Continuing Education Biochemical Pathways
Oxidation is                                                    .
  1. the removal of hydrogen or the addition of oxygen
  2. the removal of oxygen or the addition of hydrogen
  3. the removal of oxygen and the removal of hydrogen
  4. the addition of oxygen and the addition of hydrogen
  5. the gain of electrons
Grade 9 Biochemical Pathways
What are the products of cellular respiration?
  1. sugar + oxygen
  2. ATP + oxygen + water
  3. ATP + water + carbon dioxide
  4. oxygen + carbon dioxide + ATP
Grade 8 Molecules and Compounds
Grade 8 Universe
Grade 6 Biochemical Pathways
Which statement about respiration is false?
  1. Plants use carbon dioxide.
  2. Animals produce oxygen.
  3. Plants produce oxygen.
  4. Animals use oxygen.
College Biochemical Pathways
During cellular respiration, oxygen
  1. delivers electrons to the destination known as the citric acid cycle.
  2. is chemically converted to ATP.
  3. delivers its electrons to the electron transport chain.
  4. is reduce to NADP+.
  5. acts the final electron acceptor.
Grade 5 STEM Words
Grade 9 Periodic Table and Elements
Previous Page 3 of 78 Next