Quiz about Biology EOC REVIEW 1 PLANTS/FOOD WEBS

Question 1

Terrestrial plants have stomata on the surface of their leaves. A single stomata is surrounded by two guard cells that change shape in response to environmental factors and open or close the stoma. Which of the following best explains how the structure of the leaf is used in processes that occur in plants?

Accepted Answer

Gases for photosynthesis are exchanged through the surface of the leaf.

Answer

Water enters the plant through the surface of the leaf for transpiration

Answer

Energy for cellular reproduction is absorbed through the surface of the leaf.

Answer

Carbon dioxide enters the plant through the surface of the leaf for cellular reproduction.

Question 2

Plant cells that are specialized for cell division are most likely found in what part of the plant?

Accepted Answer

root tips

Answer

leaf epidermis

Answer

stem epidermis

Answer

vascular tissue

Question 3

If the xylem in a young tree is damaged, which process is first affected?

Accepted Answer

absorbing water from the soil

Answer

performing photosynthesis

Answer

transporting sugar to the roots

Answer

transporting water to the leaves

Question 4

A plant species lives in an area with limited sunlight. Which physiological adaptation would be most useful to the plant?

Accepted Answer

large leaves

Answer

colorful flowers

Answer

deep roots

Answer

thin cuticle

Question 5

What is the main function of leaves?

Accepted Answer

Leaves provide a place for photosynthesis to occur.

Answer

Leaves provide support for growth and a place to store food.

Answer

Leaves absorb water and minerals and transport nutrients to the stem.

Answer

Leaves create a barrier that prevents water in the plant's tissues from evaporating.

Question 6

The cambuim is a section of cells in a plant that can become either part of the xylem or phloem, depending on the growth and needs of the plant. If the cambium of a particular plant was damaged, what would be the most likely effect on the plant?

Accepted Answer

The plant would not be able to transport nutrients and water.

Answer

The plant would lose its ability to carry out photosynthesis.

Answer

the plant would have uncontrolled growth.

Answer

The plant would not experience any change in physiology.

Question 7

Which structure in the leaf controls the opening and closing of the stoma?

Accepted Answer

guard cell

Answer

cuticle

Answer

epidermis

Answer

spongy mesophyll

Question 8

How does the structure marked X contribute to the survival of the plant?

Accepted Answer

It allows the intake of gases necessary for photosynthesis.

Answer

It allows the intake of minerals necessary for plant growth.

Answer

It allows the intake of sunlight necessary for ATP production.

Answer

It allows the intake of sugars necessary for plant reproduction.

Question 9

Which statement describes the role of flowers in plant survival?

Accepted Answer

Flowers contain cells that produce gametes.

Answer

Flowers can absorb carbon dioxide for sugar production.

Answer

Flowers produce oxygen through cellular respiration.

Answer

Flowers contain cells that carry out photosynthesis.

Question 10

What is the main purpose of seeds in plants that have them?

Accepted Answer

To store water for the mother plant.

Answer

To protect and distribute the zygote.

Answer

To entice animals to eat the plant.

Answer

To be fertilized by other plants.

Question 11

Which structure is represented by the letter A in the diagram above?

Accepted Answer

the pistol, a female structure which collects pollen and passes it to the ovary

Answer

the stamen, a male structure which produces pollen

Answer

the sepal, a modified leaf used for protection of the flower

Answer

the petals, decorative structures which attract pollinators

Question 12

Which of the following best explains the difference in the amount of available energy in the trophic levels of the desert ecosystem?

Accepted Answer

There is less available energy in the fourth trophic level because of the loss of energy through metabolism in each of the lower trophic levels.

Answer

There is less energy available in the producers because their tissues are less dense than those at higher trophic levels.

Answer

There is more energy available in the second trophic level because less energy is needed for hunting compared to the higher trophic levels.

Answer

There is more available energy in the birds of prey because they have greater muscle mass for storing energy than organisms in lower trophic levels have.

Question 13

Which organism receives the least amount of energy from the producers?

Accepted Answer

hawk

Answer

snake

Answer

grasshopper

Answer

mouse

Question 14

The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Answer

Inorganic nutrients

Question 15

Complete burning of plant material returns carbon primarily to the...

Accepted Answer

atmosphere

Answer

herbivores

Answer

vegetation

Answer

water

Question 16

Which of these organisms would most likely be found at the top of an energy pyramid?

Accepted Answer

sharks - a secondary consumer

Answer

clams - a primary consumer

Answer

sardines - a primary consumer

Answer

kelp - a primary producer

Question 17

Which will most likely happen if the decomposers are removed from the carbon cycle?

Accepted Answer

The amount of carbon dioxide in the atmosphere will decrease.

Answer

The amount of carbon dioxide in the atmosphere will increase.

Answer

The amount of carbon dioxide used by producers will increase.

Answer

The amount of carbon dioxide needed by consumers will decrease.

Question 18

In a process called transpiration, plants get rid of excess water through pores in the leaves called stomata. This excess water is then released into the atmosphere as part of the water cycle. Which of the following terms best describes how the released water enters the atmosphere?

Accepted Answer

evaporation

Answer

condensation

Answer

precipitation

Answer

capillary action

Question 19

The framework of organic molecules essential to all organisms is composed mainly of carbon atoms. Which processes are involved in the cycling of carbon within an environment?

Accepted Answer

photosynthesis and respiration

Answer

evaporation and condensation

Answer

transcription and translation

Answer

diffusion and transpiration

Question 20

Which of the following statements is true about natural systems?

Accepted Answer

Producers are at the bottom level of both the energy pyramid and the biomass pyramid.

Answer

A. Consumers form the bottom levels of both the energy pyramid and the biomass pyramid.

Answer

Producers are at the bottom of the energy pyramid, but at the top of the biomass pyramid.

Answer

Consumers are at the bottom of the energy pyramid, but at the top of the biomass pyramid.

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