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Eleventh Grade (Grade 11) Biology Questions

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Grade 11 Biochemical Pathways
Grade 11 Biochemical Pathways
Which of the following chemical equations correctly represents photosynthesis?
  1. [math]H_2O + CO_2 + sunlight rarr O_2 + "glucose"[/math]
  2. [math]H_2O + O_2 + sunlight rarr CO_2 + "glucose"[/math]
  3. [math]O_2 + "glucose" rarr H_2O + CO_2 + "energy"[/math]
  4. [math]CO_2 + "glucose" rarr H_2O + O_2 + "energy"[/math]
Grade 11 Biochemical Pathways
Which kind of cellular respiration happened in some of the earliest forms of life on Earth, in the absence of oxygen?
  1. aerobic respiration
  2. anaerobic respiration
  3. deoxygenated respiration
  4. oxygenated respiration
Grade 11 Biochemical Pathways
Grade 11 Biochemistry
The ability of water to "stick" other substances is referred to as
  1. specific heat
  2. surface tension
  3. adhesion
  4. density
Grade 11 Biochemical Pathways
The decomposition of food into energy that can be used by cells as ATP is known as
  1. photosynthesis.
  2. cellular respiration.
  3. photolysis.
  4. digestion.
Grade 11 Biochemical Pathways
What process relates to the decomposition of food in the absence of oxygen?
  1. cellular respiration
  2. photolysis
  3. fermentation
  4. glycolysis
Grade 11 Biochemical Pathways
__ produces 32 ATPs from 1 molecule of glucose.
  1. Glycolysis
  2. ETC
  3. Krebs Cycle
  4. Respiration
Grade 11 Macromolecules
Grade 11 Macromolecules
Which of these properties classified cholesterol as a lipid?
  1. It contains double bonds between its carbon molecules.
  2. It is soluble in ether.
  3. It has carbon molecules that can form rings or long chains.
  4. It cannot be dissolved in water of any temperature.
Grade 11 Biochemical Pathways
All of the following represent true statements about photosynthesis EXCEPT
  1. Most light reactions happen on the stroma membranes in the chloroplast.
  2. The Calvin cycle typically happens in the dark.
  3. Light energy is stored in ATP.
  4. A proton gradient helps form ATP from ADP + Pi
Grade 11 Biochemical Pathways
Which process takes light and changes it into chemical energy that is stored?
  1. cellular respiration
  2. photosynthesis
  3. light-dependent phase reactions
  4. photolysis
Grade 11 Macromolecules
Which macromolecule has a monomer known as a monosaccharide?
  1. Lipids
  2. Nucleic Acids
  3. Carbohydrates
  4. Steroids
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