Missouri Biology End of Course

In science, what is a hypothesis?

• A hypothesis is a proven fact in science.

• A hypothesis is an untestable idea in science.

• A hypothesis is a conclusion drawn from observation in science.

• A hypothesis is an educated guess

  or a prediction of what the outcome will be, based on observations and research..

In science, what is a variable?

• A variable in science is a constant value that never changes.

• A variable in science is a type of animal used in experiments.

• A variable in science is a mathematical symbol used for division.

• A variable in science is any factor, trait, or condition that can exist in differing amounts or types.

Tags

NGSS.MS-PS2-2

In a science experiment, what is the independent variable?

• The independent variable is the variable being changed or tested.

• The independent variable is the variable that depends on other variables.

• The independent variable is the result of the experiment.

• The independent variable is the variable that stays the same.

In a science experiment, what is a dependent variable?

• The dependent variable is the variable that remains constant in an experiment.

• The dependent variable is the variable that is manipulated by the researcher.

• The dependent variable is the variable that is not affected by the independent variable.

• The dependent variable is the variable being observed, measured or tested.

Tags

NGSS.MS-PS1-2

In a science experiment, what is a control variable?

• A control variable is a variable that changes during the experiment.

• A control variable is a variable that is only used in the analysis phase.

• A control variable is a variable that is kept constant throughout the experiment.

• A control variable is a variable that is irrelevant to the experiment.

What is diffusion?

• Diffusion is the movement of molecules through osmosis.

• Diffusion is the movement of molecules through active transport.

• Diffusion is the movement of molecules from an area of low concentration to an area of high concentration.

• Diffusion is the movement of molecules from an area of high concentration to an area of low concentration.

In science terms, what is an inference?

• A proven fact without any logical reasoning

• A wild guess without any evidence

• A logical conclusion based on evidence and reasoning.

• A random assumption based on emotions

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2

Which organelle is responsible making food (Glucose) using sunlight?

• Ribosomes

• Nucleus

• Chloroplast

• Mitochondria

Tags

NGSS.MS-LS1-6

Which of the following is the correct equation for PHOTOSYNTHESIS?

• CO₂ + light + H₂O --> O₂ + Sugar

• CO₂ + sugar + H₂O --> O₂ + light

• _O2 + light + H₂O --> CO₂ + Sugar

• CO₂ + O₂ + H₂O --> Light+ Sugar

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the pigment in chloroplasts that performs photosynthesis?

• Chlorosynthesis

• Chlorophyll

• Chloroplast

• Green

Tags

NGSS.MS-LS1-6