WorksheetsPhotosynthesis Review
Total questions: 8
Worksheet time: 4mins
Which statement best explains the role of photosynthesis in the carbon cycle?
Carbon dioxide is absorbed from the air, and carbohydrates are produced.
Carbon dioxide is released into the air, and carbohydrates are broken down.
Carbon and nitrogen are absorbed into the soil, and carbohydrates are produced.
Carbon and nitrogen are released from the soil, and carbohydrates are broken down.
Which statement best describes both mitochondria and chloroplasts?
They are involved in transcription.
They are involved in energy conversions.
They are involved in controlling the activities of a cell.
They are involved in storage of genetic material.
Energy is released from chemicals when ________.
a. bonds are broken
b. bonds are made
c. sunlight is captured
d. a battery is charged
To do work, such as moving muscles, your cells use ________ energy.
ATP
chlorophyll
food
heat
An organism carries out both photosynthesis and cellular respiration. Which statement describes a difference between these two processes?
Only cellular respiration creates chemical energy.
The processes occur in different types of animal cells.
Only photosynthesis changes light energy into chemical energy.
The processes occur at different times during the animal’s life cycle.
Which statement best describes the role of ATP in a living system?
ATP senses and adjusts the pH in the cellular environment.
ATP identifies and repairs weak components of cells and tissues.
ATP measures and provides heat to increase reaction rates in cells.
ATP captures and transfers energy released by the breakdown of glucose.
Using a microscope, a student observes a small, green organelle in a plant cell. Which energy transformation most likely occurs first within the observed organelle?
ATP to light
light to chemical
heat to electrical
chemical to chemical
The diagram shows an energy transformation that typically occurs in plant cell plastids. Which statement best describes this role of plastids in the plant cell?
Chloroplasts transform light energy into chemical energy.
Mitochondria transform light energy into chemical energy.
Chloroplasts transform chemical energy into electromagnetic energy.
Mitochondria transform chemical energy into electromagnetic energy.
