Biology

Biology

9th - 10th Grade

33 Qs

quiz-placeholder

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Biology

Biology

Assessment

Quiz

Biology

9th - 10th Grade

Hard

NGSS
HS-LS1-3, HS-LS1-7, HS-PS1-5

+4

Standards-aligned

Created by

Charles Martinez

FREE Resource

33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Compound X increases the rate of the reaction on the side. Compound X is most likely

an enzyme

a lipid molecule

an indicator

an ADP molecule

Tags

NGSS.HS-PS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Base your answer on the graph and on your knowledge of biology. The most likely result of mixing both enzymes with their substrates in a single test tube is that

only gastric protease would be active if the pH of the mixture was basic

gastric protease would be more active that intestinal protease at pH 6

both enzymes would exhibit some activity at pH 5.

intestinal protease would be more active than gastric protease at pH 4. C

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Base your answer on the graph and on your knowledge of biology. Which is a true statement about the relationship between pH and enzyme action?

All enzymes work best at a neutral pH.

Adding more acid does not affect the rate of activity of an enzyme.

Enzymes function only in a pH range of 4.0 to 5.5.

The activity of an enzyme is affected by pH.

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

The equation below summarizes the process that produces the flashing light of a firefly.

The molecule luciferin is broken down, and energy is released in the form of heat and light. In this process, luciferase functions as

A. a reactant

product

an enzyme

a starch

Tags

NGSS.HS-PS1-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Base your answer on the reactions shown in the graphic. The X in each reaction represents various

energy sources

final products

reactants

enzymes

Tags

NGSS.HS-LS1-7

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

The effect of temperature on the relative rate of action of an enzyme is represented in the graph. The optimum temperature for the action of this enzyme is approximately

15°C

22°C

50°C

37°C

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Which statement best describes the enzyme represented in the graphs?

This enzyme works best at a temperature of 35°C and a pH of 8.

This enzyme works best at a temperature of 50°C and a pH of 12.

Temperature and pH have no effect on the action of this enzyme.

This enzyme works best at a temperature above 50°C and a pH above 12.

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