Biology Sol Review

Which variable appears to control leaf production in these plants?

• the temperature

• the relative humidity

• the amount of water

• the number of daylight hours

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The data show the growth of two bean plants over several weeks using four different fertilizers. The experimental data would be more valid if which of the following variables was included in the experiment?

• The plants were grown at variable temperatures.

• A fifth fertilizer was tested.

• A control without fertilizer was included for each plant.

• Only one plant was tested.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The dependent variable in this experiment is - 

• Number of Bacteria

• Time of Incubation

• Culture Number

• Type of Bacteria

Tags

NGSS.MS-LS1-5

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables?

• Type of plant, amount of music, and sunlight

• Water, apple juice, milk

• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which data point on the graph is probably invalid?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ETS1-3

Orchids were studied to determine if the amount of humidity affected the flowering of these plants. Which of these was the independent variable in this study?

• the amount watered

• the percentage of humidity

• the number of flowers on each plant

• the length of time required for flowering

The building blocks of nucleic acids are ________.

• nucleotides

• amino acids

• fatty acids

• monosaccharides

Which substance is an example of a carbohydrate?

• DNA

• wax

• enzyme

• sugar

RNA is an example of a(n)

• lipid.

• nucleic acid.

• carbohydrate.

• protein.

What organic molecule stores the greatest amount of energy? 

• carbohydrate.

• nucleic acid.

• lipid.

• protein.