Free Printable Biology Basics

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Biology Basics

Total questions: 20

Worksheet time: 22mins

Name

Class

Date

What level of organization is larger than tissues?

Organ

Organism

Cell

Molecule

Homeostasis is when an organism maintains a steady

Internal Temperature

pH (acidity level)

Blood Sugar Level

All Other Choices

What level of organization comes next? Cells, tissues, organs, organ system, organism, ____________

Community

Population

Ecosystem

Biosphere

All organisms are made of

Cells

Electrons

Neutrons

Organs

Organs work together to make

Organ Systems

Cells

Tissues

Organisms

The universal genetic code for all living organisms is

Molecules

mtDNA

RNA

DNA

The smallest level of biological organization is

Molecule

Cell

Atom

Tissue

Which of the following best describes a community?

sharks, groupers, anemones and shrimp on a coral reef

decorator crabs on the seafloor

loggerhead sea turtles in Atlantic

prairie grassland in Wyoming

Which of the following is a population?

hawks, barred owls, and eagles on NC coast

mountain stream

all the frogs in a pond

blue-tailed skinks (lizards) around a barn

10.

How many variables should be manipulated in a correct scientific experiment?

11.

Researchers performing a well-designed experiment should base their conclusions on

The hypothesis of the experiment

Data from repeated trials of the experiments

A small sample size to ensure a reliable outcome

Results predicted before performing the experiement

12.

A study on a poultry farm was conducted to determine the percentage of vitamin supplement necessary to add to the feed of turkeys in order to maximize their growth. According to this data, what percentage of vitamin supplement should be added to the turkey's diet?

10%

14%

13.

The one factor that a scientist changes during an experiment. (It affects the results of the experiment).

Controlled Variable

Dependent Variable

Independent Variable

14.

The variable that is measured. It is the result of the experiment.

Controlled Variable

Dependent Variable

Independent Variable

15.

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable

Type of fertilizer

Size of sunflower

Type of sunflower

16.

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable

Type of fertilizer

Size of sunflower

type of sun flower

17.

If you were testing the time it took for objects of different sizes to reach the ground after being dropped from 30 feet in the air, which of these would be the DEPENDENT VARIABLE?

The time it takes for each object to hit the ground.

The size of each object.

The type of object you use.

The height you drop the object from

18.

A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease (go down)." What is the independent variable?

Whether salt is added or not

Boiling Point

Amount of water

19.

Which of the following is the label for the independent variable?

Money Collected

Raising Money

Boxes Sold

None of the above

20.

On a graph, which axis shows the dependent variable?

x-axis

y-axis

neither

it changes

Reset

Biology Basics

Total questions: 20

Worksheet time: 22mins

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