Practice Quiz

MCAS Biology Practice - Question List

Select how would you like to study

Study Mode Free Daily Question Test Mode
116. Which of the following is a correct order in which air moves through the human respiratory system when a person inhales?
  1. nose, larynx, trachea, pharynx, bronchi, lungs
  2. nose, pharynx, larynx, trachea, bronchi, lungs
  3. pharynx, bronchi, nose, larynx, trachea, lungs
  4. pharynx, nose, trachea, bronchi, larynx, lungs
See answer
117. Which of the following environmental conditions makes water less available to plants for growth?
  1. Soil in the area is organically rich.
  2. Ground cover is effective at slowing erosion.
  3. High humidity lowers the rates of transpiration.
  4. Cold temperatures freeze the water in and on the ground.
See answer
118. Some bacteria live in hot springs. Their cells contain enzymes that function best at temperatures of 70°C or higher.At a temperature of 50°C, how will the enzymes in these bacterial cells most likely be affected?
  1. The enzymes will be destroyed by lysosomes.
  2. The enzymes will lose their bond structure and fall apart.
  3. The enzymes will require less energy to function than
    at 70°C.
  4. The enzymes will not increase the rate of reactions as much as they would at 70°C.
See answer
119. On the Galápagos Islands, finches adapted over time to different food sources through changes in their beak structure. Which of the following most likely resulted from the finches’ beak structure adaptations?
  1. a decreased predation on finches
  2. an increased species diversity of finches
  3. an increased competition among finches
  4. a decreased reproductive rate in finches
See answer
120. In sexual reproduction, what is the source of the genetic material in a zygote?
  1. an egg cell only
  2. a sperm cell only
  3. an egg cell and a sperm cell
  4. an egg cell and a polar body
See answer

Select how would you like to study

Study Mode Free Daily Question Test Mode