Semester 2 - Comprehension Questions

NAME

Class Hour

• 1st Hour
• 2nd Hour
• 3rd Hour
• 4th Hour
• 6th Hour

During photosynthesis, what organelle is responsible for changing light energy into chemical energy and where is this located within the plant?

• Mitochondria, in the stem
• Chloroplasts, in the leaf
• Chlorophyll, in the roots
• Nucleus, in the petals

There are two reactions that occur during photosynthesis, the light-dependent and the light-independent reactions, which of these reactions is the “battery” that provides the ATP for the next reaction?

• The light-dependent reaction absorbs light from the sun and splits water creating energy as ATP.
• The light-independent absorbs light from the sun and splits water creating energy as ATP.
• The light-dependent reaction uses carbon dioxide to create glucose for the plant.
• The light-independent reaction uses carbon dioxide to create glucose for the plant.

The light- independent reaction during photosynthesis takes hydrogen ions and carbon dioxide in and creates _____________ in the stroma.

• nitrogen
• carbon dioxide
• water
• glucose

How does the plant store energy until it needs it? What kind of macromolecule is this?

• As fat, lipid
• As glucose, carbohydrate
• As glucose, protein
• As amino acids, nucleic acids.

In what organelle does the process of cellular respiration occur?

• Chloroplast
• Ribosomes
• Mitochondria
• Endoplasmic Reticulum

There are multiple steps in the process of cellular respiration. If oxygen is present what will happen? (Select ALL that apply)

• Aerobic Respiration
• The Krebs Cycle
• The Electron Transport Chain
• 36-38 ATP is produced
• Anaerobic Respiration

In Baugo Creek there is a large population of bass. 5% of the bass population had a gene variant that made them immune to the toxins in the water. What do you think happened to the bass population between 1962-1986?

• The 5% survived passing on the resistant gene to the future generations, creating a population of resistant fish.
• The species will go extinct over time.
• The 95% will evolve to develop immunity through exposure.
• The fish will grow 3 eyes.

This ecosystem experienced a period of rapid change then returned to a new normal. What kind of evolution does the question above describe?

• Divergent Evolution
• Coevolution
• Punctuated Equilibrium
• Extinction