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WorksheetsUCEA 4.1 Biology
Total questions: 40
Worksheet time: 27mins
Name
Class
Date
1.
Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?
a)
cell membrane
b)
cytoplasm
c)
nucleus
d)
vacuole
2.
What is one basic function of the vacuoles?
a)
circulating oxygen
b)
producing food
c)
controlling cell processes
d)
storing water
3.
All cells need energy to function. Which cell organelle is responsible for producing energy in the cell?
a)
chloroplasts
b)
mitochondria
c)
nucleus
d)
vacuoles
4.
What is the function of a cell wall?
a)
to protect and support the cell
b)
to perform different functions in each cell
c)
to prevent water from passing through it
d)
to prevent oxygen from entering the cell
5.
In what part of the plant cell does the process of photosynthesis take place?
a)
nucleus
b)
mitochondria
c)
chloroplasts
d)
vacuoles
6.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
7.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
ATP
c)
YOLO
d)
DNA
8.
Where are proteins made?
a)
Golgi body
b)
Mitoichondria
c)
Chromosomes
d)
Ribosomes
9.
I am the outer most layer of an animal cell. What am I?
a)
cell wall
b)
nucleus
c)
cell membrane
d)
cell skin
10.
What is the gel-like substance inside of cells called?
a)
photoplasm
b)
photosynthesis
c)
cytoskeleton
d)
cytoplasm
11.
Directs all the cell's activities.
a)
mitochondria
b)
chloroplasts
c)
vacuole
d)
nucleus
12.
Which organism listed below is a prokaryote?
a)
dog
b)
human
c)
sunflower
d)
bacterial cell
13.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
14.
When particles move from areas of high concentration to areas less concentrated, this has taken place.
a)
diffusion
b)
mitosis
c)
endocytosis
d)
photosynthesis
15.
What process occurs when WATER diffuses across a membrane?
a)
endocytosis
b)
mitosis
c)
osmosis
d)
nuclear fission
16.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
17.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup
d)
no concenteraion gradient
18.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
19.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
20.
What a cell needs to transport particles by active transport?
a)
Sun
b)
Wind
c)
Energy
d)
Channels
21.
The movement of molecules against a concentration gradient
a)
simple diffusion
b)
facilitated diffusion
c)
active transport
d)
osmosis
22.
In the given scenario what will happen? An egg is placed in pure water for 48 hours.
a)
The egg will gain water and swell.
b)
Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
c)
The egg will lose water and shrink.
23.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium
24.
An animal cell placed in a hypertonic (salty) solution will
a)
Stay the same
b)
Shrink- get smaller
c)
Swell- get bigger
25.
a microscope that uses a stream of electrons to form magnified images of objects
a)
Optical Microscope
b)
Electron Microscope
c)
Compound Microscope
d)
Simple Microscope
26.
What is the total magnification if you are using an objective that is 40x?
a)
4x
b)
40x
c)
400x
d)
4000x
27.
To calculate magnification we use......
a)
image size x actual size
b)
image size ÷ actual size
c)
actual size ÷ image size
28.
To calculate image size we use.....
a)
actual size x magnification
b)
magnification ÷ actual size
c)
actual size ÷ magnification
29.
If a bacteria image measures 450 mm and the magnification is 15,000x, what is the actual size of the bacteria?
a)
30 µm
b)
0.3 µm
c)
300 µm
d)
3,000 µm
30.
This type of cell sends messages throughout the body in the form of electrical impulse.
a)
nerve cell
b)
sperm cell
c)
muscle cell
d)
skin cell
31.
This type of cell is found in males and is responsible for reproduction.
a)
sperm cell
b)
egg cell
c)
muscle cell
d)
nerve cell
32.
Which is true about Embryonic Stem Cells.
a)
They no longer do mitosis, their cell type is set and can not change
b)
They are limited to the type of cell they can become
c)
They can become any cell type in the body
d)
They are found in adults
33.
What cells have NO nucleus?
a)
Leaf cells
b)
Animal cells
c)
Red blood cells
d)
egg cells
34.
What cells carry electrical signals?
a)
Red Blood Cells
b)
Palisade Cells
c)
Sperm cells
d)
Nerve Cells
35.
The role of these specialised cells is to help fight off infection and foreign bodies.
a)
Palisade Cells
b)
Nerve Cells
c)
White Blood Cells
d)
Red Blood Cells
36.
Specialized cells that absorb water by osmosis
a)
Nerve Cell
b)
Xylem
c)
Palisade Cell
d)
Root Hair Cell
37.
This cell can swim to find the female egg cell
a)
sperm
b)
ciliated cell
c)
red blood cell
d)
nerve cell
38.
Cells with tiny hair like structures on it.It functions to remove dust and bacteria from trachea.
a)
Sperm
b)
palisade
c)
Ciliated cell
d)
plant cell
39.
Identify this specialised cell that helps in movement.
a)
mucle cell
b)
nerve cell
c)
sperm
d)
plnt cell
40.
A sperm cell and mucle cell needs a lot energy and it comes from --------------
a)
Nucleus
b)
Acrosome
c)
Mitochondria
d)
Ribosome
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