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Sci-Tech 11 – Cells and Life Unit Test
Cells and Life Unit Test
Directions: Choose the BEST response.
1.
Cells can best be described as living material surrounded by a border, or a barrier
that separates the cell from its environment. What term best describes that
border or barrier?
a.
b.
c.
d.
vacuole
cell membrane
cell wall
endoplasmic reticulum
2. In order for cells to grow and move, they must be able to grow, store and use
energy. The process of building up and breaking down of usable food substances is
called;
a.
b.
c.
d.
chloroplasty
metabolism
vacuuming
cytosplasmic reticulum
3. The main purpose of an organism is to reproduce. Organisms that do not need a
partner to do this are called;
a.
b.
c.
d.
sexual
asexual
heterosexual
homosexual
4. Food and water are an absolute necessity for life. Of the two water is the most
important, in fact the human body is approximately ______ % water.
a.
b.
c.
d.
50
65
80
95
5. In plants, the ___________ is designed to offer protection to the plant cell so
that it can grow tall and strong.
a.
b.
c.
d.
cell membrane
cell wall
nucleus
chloroplasts.
6. Plants and animals have ___________ but only plants have ______________.
a.
b.
c.
d.
cell membranes / cell walls
cell walls / cell membranes
nucleuses / mitochondria
DNA / RNA
7. Which of the following contains DNA and RNA and is responsible for telling a cell
that it is going to grow into muscle cell in your arm or a nerve cell in your eye.
a.
b.
c.
d.
endoplasmic reticulum
cytoplasm
mitochondria
chromosomes
8. Within your cells the ribosomes are responsible for creating protein that nourishes
your cells. Which of the following is responsible for creating the “powerhouse”
energy needed by the ribosomes to create that protein?
a.
b.
c.
d.
mitochondria
vacuoles
chloroplasts
nucleus
9. Which of the following are described as the “clean-up crew” who go around the cell
and old cell parts that are dead or dying?
a.
b.
c.
d.
ribosomes
lysosomes
vacuoles
mitochondria
10. The following diagram can best be described as;
a.
b.
c.
d.
Photosynthesis
Metabolism
Diffusion
Mitosis
11. _________ is the process in which the nucleus of a cell divides into two nuclei so
that cell division can begin. This occurs in the second stage or phase two of cell
division.
a.
b.
c.
d.
Active transport
Osmosis
Metabolism
Mitosis
12. Because plants can’t dial Domino’s for a pizza, they need to create their own food.
This process is called _____________ .
a.
b.
c.
d.
photosynthesis
chlorophyll
diffusion
confusion
13. In addition to sunlight, water and carbon dioxide, plants need this green pigment
chemical to make it’s own food.
a.
b.
c.
d.
photosynthesis
chlorophyll
DNA
Cytoplasm
14. Scientists have a special name for green plants that create their own food. They
call them ____________. Animals that then obtain food energy by eating those
green plants (and other organisms) are called _______________.
a.
b.
c.
d.
herb / vegetarians
photosynthesizers / chlorophyllers
Hetrotrophs / Autotrophs
Autotrophs / Hetrotrophs
15. Another name commonly used to describe the anaerobic respiration that occurs
when yeast cells break down glucose into energy, carbon dioxide and alcohol is;
a.
b.
c.
d.
Aerobic Respiration
Fermentation
Augmentation
Salutation
Part II – Diagram
Directions: Using the diagram below as a guide, properly label the six stages of cellular
reproduction
You will be marked out of 6 for your ability to properly label all six stages.