Cells Question Preview (ID: 21981)
Science 7 Cell Review.
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What is the most basic unit of life or the smallest living thing?
a) an atom
b) a cell
c) an organ
d) a tissue
What organelle controls the cell or acts as its brain?
a) nucleus
b) mitochondria
c) cytoplasm
d) chloroplast
What is the thick, jello-like substance that fills the cell and surrounds all organelles?
a) nucleus
b) mitochondria
c) cytoplasm
d) chloroplast
What organelle turns food into useful energy?
a) nucleus
b) mitochondria
c) cytoplasm
d) chloroplast
Which organelle is green and performs photosynthesis in plants?
a) nucleus
b) mitochondria
c) cytoplasm
d) chloroplast
Which organelle is found only in plants and helps the cell maintain structure?
a) cell wall
b) cell membrane
c) chloroplast
d) vacuole
Which organelle stores food, water, and waste?
a) cell wall
b) cell membrane
c) chloroplast
d) vacuole
What surrounds the cell and regulates what gets in and out?
a) cell wall
b) cell membrane
c) chloroplast
d) vacuole
What is the most important tool used to study cells called?
a) microscope
b) telescope
c) triple-beam balance
d) calculator
Two or more cells working together are called a _______________.
a) organ system
b) organism
c) tissue
d) organ
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