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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 has a green color
B
the object contains carbon
C
the object contains cells
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
Carbon dioxide
C
Chlorophyll
D
Oxygen
3) Which statement correctly tells why the cells of unicellular and multicellular organisms divide?
A
the cells of a unicellular organism divide to reproduce, those of multicellular organisms divide to replace cells and grow.
B
the cells of both kinds divide to reproduce
C
the cells of both kind of organisms divide to replace cells and to grow
D
the cells of unicellular organisms divide to replace cells and to grow those of multicellular organisms divide to reproduce.
4) what is the food that plants produce during photosynthesis?
A
Carbon Dioxide
B
chloroplast
C
Chlororphyll
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
shiver
B
lose leaves
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 store water and food
B
they produce protein
C
they protect cells from the surrounding environment
D
they perform photosynthesis
8) DNA is found in the __________of prokaryotic cells
A
cell membrane
B
nucleus
C
mitochondria
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
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
trees and grass
C
zebras and wildebeests
D
water and soil
11) all cells must grow and divide, what is another requirement all cells must meet?
A
be able to make food
B
be able to move
C
none of the above are correct
D
use and obtain energy
12) what is the smallest structural unit of life?
A
cell
B
atom
C
microscopic bateria
D
air
13) What are the three parts to the cell theory?
A
all living things must have more than one cell, they must be able to reproduce, and they must use energy
B
cells are the tiniest parts of life, we all need cells to survive, all cells must reproduce
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
a group of living things
B
all the animals
C
any living thing
D
all the plants
15) what is a tissue?
A
tiny parts inside a cell that perform a specific function
B
none of the above answers are correct
C
something you put your boogies in
D
a group of cells that perform a specific function
16) what is the Process through which producers make food?
A
water
B
cellular respiration
C
photosynthesis
D
carbon dioxide
17) What is the Process by which cells use oxygen to produce energy?
A
cellular respiration
B
water
C
photosynthesis
D
carbon dioxide
18) Which of the following organelles are found in plant cells ONLY!
A
mitochondria
B
both chloroplast and a cell wall are found in plant cells only
C
cell wall
D
chloroplast
*select an answer for all questions
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