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