STAAR EOC

Quiz
•
Science
•
9th Grade
•
Hard
+7
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
Enzymes increase the energy of the reactants.
Enzymes decrease the energy level of the products.
Enzyme decrease the activation energy of the reaction.
Enzymes reverse the direction of the reaction.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Some students used vinegar to dissolve a way the shells of three eggs and used these eggs as models of human red blood cells. The students observed the changes in the eggs when they were placed in different solutions. Which statement best describes the role of the cell membrane in this model?
The cell membrane is an impermeable barrier that prevents water from entering the cell.
The cell membrane allows solutions to enter the cell, which causes the cell to shrink.
The cell membrane allows water to enter and leave the cell.
The cell membrane removes solutes from the environment.
Tags
NGSS.MS-LS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A cell _______ in a hypertonic solution because water moves _______ the cell.
shrinks; out
shrinks; in
swells; out
swells; in
Tags
NGSS.MS-LS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The process by which the genetic code of DNA is copied into a strand of RNA is called
translation
transcription
transformation
replication
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How would the DNA sequence GCTATA be transcribed to mRNA?
GCUAUA
CGATAT
CGAUAU
GCUTUT
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following follows the concentration gradient (high to low) but requires a transport protein?
diffusion
osmosis
facilitated diffusion
active transport
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Q1. What is the process of cell division called?
A) Cytokinesis
B) Interphase
C) Anaphase
D) Metaphase
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