Worksheetsquiz grade 9 term 2 2022
Total questions: 10
Worksheet time: 30mins
Name
Class
Date
1.
Which part of the cell controls the movement of substances?
a)
mitochondria
b)
cell membrane
c)
chloroplast
d)
nucleus
2.
All of the following are functions of a cell membrane EXCEPT
a)
surrounding and protecting the contents of the cell.
b)
releasing materials from the cell out of the cell.
c)
producing energy for the cell processes.
d)
allowing gases to enter the cell.
3.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration
b)
when molecules move from a high concentration to a low concentration.
c)
no movement
d)
molecules move everywhere
4.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
5.
Most of the cell membrane is made of...
a)
phospholipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic acids
6.
Which of the following is NOT part of the cell membrane?
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic Acids
7.
Part of the plasma membrane responsible for cell recognition...
a)
C
b)
E
c)
B
d)
D
8.
What is this image?
a)
cell membrane
b)
proteins
c)
carbohydrates
d)
lipids
9.
A phospholipid has 2 parts. What are they called?
a)
polar Head, non-polar Tail
b)
non-polar Head, polar Tail
10.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
a)
phospholipid
b)
Carbohydrate
c)
Cholesterol
d)
Protein
100 %
