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Test Description: Cells unit one test
Instructions: Answer all questions to get your test result.
1) Which of the following observations would let a scientist know if something is living?
A
the object contains carbon
B
the object contains cells
C
the object has a green color
D
minerals are located in the object
2) Which of the following substances must animal cells take in from the environment to maintain homeostasis?
A
Carbon dioxide
B
DNA
C
Oxygen
D
Chlorophyll
3) Which statement correctly tells why the cells of unicellular and multicellular organisms divide?
A
the cells of both kinds divide to reproduce
B
the cells of unicellular organisms divide to replace cells and to grow those of multicellular organisms divide to reproduce.
C
the cells of a unicellular organism divide to reproduce, those of multicellular organisms divide to replace cells and grow.
D
the cells of both kind of organisms divide to replace cells and to grow
4) what is the food that plants produce during photosynthesis?
A
Carbon Dioxide
B
Chlororphyll
C
chloroplast
D
Glucose
5) organisms respond to change in their environment to maintain homeostasis. What does a tree do to maintain homeostasis during the winter months?
A
lose leaves
B
shiver
C
hibernate
D
absorb sun
6) Which level of organization would describe a dog's eye?
A
organism
B
tissue
C
organ system
D
organ
7) what is the main function of chloroplast in a plant cell?
A
they protect cells from the surrounding environment
B
they perform photosynthesis
C
they store water and food
D
they produce protein
8) DNA is found in the __________of prokaryotic cells
A
cell membrane
B
nucleus
C
cytoplasm
D
mitochondria
9) Multi-cellular organisms have systems to transport materials to cells from other places in the organism. What is the name of the system that transports these materials?
A
cardiovascular system
B
skeletal system
C
excretory stystem
D
digestive system
10) which of the following is an example of a population?
A
male and female lions
B
water and soil
C
zebras and wildebeests
D
trees and grass
11) all cells must grow and divide, what is another requirement all cells must meet?
A
be able to move
B
be able to make food
C
use and obtain energy
D
none of the above are correct
12) what is the smallest structural unit of life?
A
cell
B
microscopic bateria
C
air
D
atom
13) What are the three parts to the cell theory?
A
cells are the tiniest parts of life, we all need cells to survive, all cells must reproduce
B
all living things must have more than one cell, they must be able to reproduce, and they must use energy
C
all cells must get rid of waste, all cells are part of living things, an organism needs more than one cell to survive
D
all living things have one or more cells, all cells come from preexisting cells, the basic unit of life is a cell
14) what is an organism?
A
all the plants
B
any living thing
C
all the animals
D
a group of living things
15) what is a tissue?
A
none of the above answers are correct
B
a group of cells that perform a specific function
C
tiny parts inside a cell that perform a specific function
D
something you put your boogies in
16) what is the Process through which producers make food?
A
photosynthesis
B
cellular respiration
C
water
D
carbon dioxide
17) What is the Process by which cells use oxygen to produce energy?
A
cellular respiration
B
photosynthesis
C
carbon dioxide
D
water
18) Which of the following organelles are found in plant cells ONLY!
A
both chloroplast and a cell wall are found in plant cells only
B
chloroplast
C
cell wall
D
mitochondria
*select an answer for all questions
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