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WorksheetsS5L1/2/3/4- Life Science Part A
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
What does the plant cell structure chloroplast do?
a)
directs the cell's activities
b)
stores nutrients, water, or waste
c)
makes food
d)
supports the plant cell
2.
Scientists discovered three things when they observed cells through a microscope. Which of the following did they NOT observe?
a)
All living things are made of cells.
b)
All cells share some characteristics.
c)
Different kinds of cells do different jobs.
d)
Plant cells and animal cells have the same structure.
3.
What kind of microorganism turns milk into yogurt?
a)
yeast
b)
algae
c)
bacteria
d)
phytoplankton
4.
Which of the following is found in plant cells but not in animal cells?
a)
chromosomes
b)
mitochondria
c)
vacuoles
d)
chloroplasts
5.
The organelle that directs all of the cell's activities is the
a)
cytoplasm.
b)
mitochondria.
c)
nucleus.
d)
vacuole.
6.
How are an amoeba and a human being alike?
a)
Both are made from many cells.
b)
Both are single cells.
c)
Both are made of a cell or cells with a nucleus.
d)
Both are made of a cell or cells with a chloroplast.
7.
What kind of microorganism makes penicillin?
a)
bacteria
b)
protist
c)
mold
d)
algae
8.
Which statement is NOT true?
a)
Microorganisms help dead things decay.
b)
Microorganisms have only one cell.
c)
Microorganisms cause disease.
d)
Microorganisms are used to make cheese.
9.
Michael looked at a cell through a microscope. He identified a nucleus, chloroplast, and vacuole. What kind of cell did Michael observe?
a)
animal
b)
plant
c)
vertebrate
d)
bacteria
10.
Which of the following is an inherited behavior?
a)
a kid reading a book
b)
a bird making a nest
c)
a kid riding a bike
d)
a dog helping blind people walk around
11.
Which characteristics help scientists classify an organism as an animal?
a)
It is made up of many cells and absorbs food from its surroundings.
b)
It is made up of many cells and feeds on other living or once-living things.
c)
It is made up of many cells and makes its own food.
d)
It is made of a single cell and makes its own food.
12.
Which type of microorganism rots wood, spoils food, and causes skin diseases such as ringworm and athletes foot?
a)
bacteria
b)
protists
c)
protozoans
d)
fungi
13.
Invertebrates do NOT have a
a)
brain.
b)
heart.
c)
stomach.
d)
backbone.
14.
Carli sees a plant in the park and knows right away that it is a gymnosperm. How can she tell?
a)
The plant has flowers.
b)
The plant is an apple tree.
c)
The plant is a pine tree with cones.
d)
The plant is moss on a rock.
15.
What is another name for inherited behaviors?
a)
recessive traits
b)
chromosomes
c)
instincts
d)
factors
16.
Which piece of equipment is the best to use to observe the structure of a cell?
a)
magnifying glass
b)
binoculars
c)
telescope
d)
microscope
17.
What organelle is NOT found in animal cells?
a)
chloroplast
b)
cell membrane
c)
nucleus
d)
mitochondria
18.
Which of the following is NOT a shape of bacteria?
a)
rods
b)
squares
c)
spirals
d)
balls
19.
What is another name for instinct?
a)
recessive trait
b)
chromosome
c)
inherited behavior
d)
learned behavior
20.
Which type of organism can grow on raw food and make you sick?
a)
yeasts
b)
bacteria
c)
protozons
d)
algae
21.
Asia keeps seeing a small animal in her backyard. She observed the animal has a backbone, four legs and a long tail, and its body is covered with scales. What is the classification for this animal?
a)
bird
b)
mammal
c)
reptile
d)
amphibian
22.
When a swallow uses mud and grass to build its nest, it is demonstrating
a)
a physical trait.
b)
an instinct.
c)
a learned behavior.
d)
environmental influences.
23.
Which microorganism does a baker add to bread dough to make it rise?
a)
penicillin
b)
phytoplankton
c)
yeast
d)
bacteria
24.
Which statement is NOT true?
a)
Microorganisms are too small to see without a microscope.
b)
Bacteria are made up of multiple cells.
c)
Some fungi can rot wood and spoil food.
d)
Microorganisms cause dead things to decay.
25.
Which statement is true of both a single-celled organism and an organism with millions of cells?
a)
Each cell is able to carry out its own life functions.
b)
Each cell is covered with epithelial tissue.
c)
Cells are organized into tissues that perform a specific function.
d)
Different kinds of tissues form organs.
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