SSA Review 6 - Life Science

Quiz
•
Science
•
8th Grade
•
Easy
+5
Standards-aligned
octavia dorsey
Used 2+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest unit of matter in the hierarchical organization of organisms?
Molecules
Cells
Atoms
Tissues
Answer explanation
Atoms are the smallest unit of matter, forming the basic building blocks of all substances. Molecules are made of atoms, cells are made of molecules, and tissues are made of cells, making atoms the correct answer.
Tags
NGSS.MS-LS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the basic unit of life?
Organs
Cells
Molecules
Tissues
Answer explanation
Cells are the basic unit of life, as they are the smallest structural and functional units of living organisms. Organs, tissues, and molecules are made up of cells, but cells themselves are the fundamental building blocks.
Tags
NGSS.MS-LS1-1
NGSS.MS-LS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organelle is found in both plant and animal cells and produces energy?
Chloroplasts
Mitochondria
Vacuole
Cell Wall
Answer explanation
Mitochondria are the organelles responsible for energy production in both plant and animal cells, converting nutrients into ATP. Chloroplasts are specific to plants, vacuoles serve storage functions, and the cell wall is a structural feature in plants.
Tags
NGSS.MS-LS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the nucleus in a cell?
Produces energy
Controls cell activities and contains DNA
Provides structure and support
Stores water, nutrients, and waste
Answer explanation
The nucleus controls cell activities by regulating gene expression and contains DNA, which carries the genetic information necessary for cell function and reproduction.
Tags
NGSS.MS-LS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a component of the Cell Theory?
All living things are made of cells
Cells are the basic unit of life
Cells can arise spontaneously
All cells come from pre-existing cells
Answer explanation
The statement 'Cells can arise spontaneously' is NOT part of the Cell Theory. The Cell Theory states that all living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells.
Tags
NGSS.MS-LS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT found in animal cells?
Cell Wall
Mitochondria
Nucleus
Cell Membrane
Answer explanation
Animal cells do not have a cell wall; they only have a cell membrane. The cell wall is found in plant cells, providing structure and support, while mitochondria and the nucleus are present in animal cells.
Tags
NGSS.MS-LS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of tissues in the hierarchical organization of organisms?
Groups of similar cells working together
Groups of organs working together
Groups of atoms forming compounds
A complete living thing
Answer explanation
Tissues are groups of similar cells that work together to perform specific functions, making them a fundamental level in the hierarchical organization of organisms, distinct from organs and complete organisms.
Tags
NGSS.MS-LS1-3
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