SECTION A
[20 marks]
Answer all questions
1.
Diagram 1 shows the mesophyll cell of a leaf.
Diagram 1
The parts labelled P, Q and R are
P
Q
A
Chloroplast Cell wall
B
Nucleus
Cell wall
C
Chloroplast Plasma membrane
D
Cell wall
Plasma membrane
2.
-
R
Vacuole
Vesicle
Cytoplasm
Nucleus
Permeable to all fluids - Rigid and not elastic
Which structure has these characteristics?
A
Vacuole
B
Cell wall
C
Golgi apparatus
D
Plasma membrane
3.
Which organelle is found abundantly in muscle tissue?
A
Smooth endoplasmic reticulum
B
Ribosome
C
Mitochondria
D
Plasma membrane
4.
Mitochondria can be found in high density in all the following cells except
A
Sperm cell
B
Flight muscle cell
C
Liver cell
D
Meristems cell
5.
Table 1 shows the function of four organelles.
Organelle
Organelles
P
Stores sugar and salt solutions
Q
Has pigment that absorb light energy for photosynthesis
R
Controls the movement of substances in and out of the cell
S
Site of protein synthesis
1
Which of the following represents cells P, Q, R and S?
P
Q
R
A
Vacuole
Chlorophyll
Plasma membrane
B
Mitochondria
Chlorophyll
Plasma membrane
C
Ribosome
Chloroplast
Cell wall
D
Vacuole
Chloroplast
Plasma membrane
6.
S
Mitochondria
Ribosome
Nucleus
Ribosome
Diagram 2 shows a process carried out by an Amoeba sp.
Diagram 2
What is the process?
A
Osmoregulation
B
Binary fission
C
Diffusion
D
Phagocytosis
7.
Cytoplasmic projection of Amoeba sp. is a part of process X. What is X?
A
Locomotion
B
Feeding
C
Exchange of material
D
Reproduction
8.
Collagen is needed to form a type of tissue in human. What is the best
reason for consuming collagen?
A
As myelin sheath in the nerve tissue
B
As adipose tissue under the skin
C
As epithelial tissue in the skin
D
As dense fibrous connective tissue to improve skin elasticity
9.
What is the effect to the cell if there is no smooth endoplasmic reticulum?
A
No energy product
B
No synthesis of lipid
C
No synthesis of protein
D
No modification of protein
10.
Which of the following is not regulated by homeostasis?
A
Blood sugar level
B
Secretion of digestive enzyme in the stomach
C
Removal of excess water from the blood
D
Maintaining of body temperature
2
11.
Diagram 3 shows a plant cell is immersed in solution A for 30 minutes. What is type
of solution A?
Diagram 3
A
B
C
D
12.
Hypotonic
Isotonic
Hypertonic
Carcinogenic
Diagram 4 shows the structure of a plasma membrane
Diagram 4
Which of the following molecules can pass through P?
A
Amino Acid
B
Water
C
Glycogen
D
Starch
13.
The pressure that is exerted on the inside of the cell wall by the cell sap is known as
A
turgor pressure
B
cell pressure
C
osmotic pressure
D
hydrostatic pressure
14.
The movement of water molecules from a hypotonic solution to a hypertonic solution
through a semi-permeable membrane is known as
A
diffusion
B
passive transport
C
osmosis
D
active transport
3
15.
Diagram 5 shows the movement of substance Q across the plasma membrane.
Diagram 5
Substance Q is moved across the plasma membrane by
A
osmosis
B
simple diffusion
C
active transport
D
facilitated diffusion
16.
Diagram 6 shows diffusion in potato cells.
Diagram 6
What is solution X and solution Y?
Solution X
A
Distilled water
B
Distilled water
C
10% sucrose solution
D
10% sucrose solution
Solution Y
10% sucrose solution
Distilled water
Distilled water
10% sucrose solution
4
17.
Which of the following shows the structure of a red blood cell after it is placed in
distilled water?
18.
Diagram 7 shows the structure of plant cells when immersed in a sugar solution.
Diagram 7
Which of the following is true about the process and the condition of the cells?
Process
Condition
A
Plasmolysis
Turgid
B
Plasmolysis
Flaccid
C
Deplasmolysis
Turgid
D
Deplasmolysis
Flaccid
19.
What is the similarities between active transport and facilitated diffusion?
A
both involve ATP
B
both need the help of carrier protein
C
both involve the movement of substance from high concentration to low
concentration
D
both pass through the phospholipid bilayer
5
20.
Diagram 8 shows the condition of red blood cell samples which have been placed in
different concentration of salt solutions M and N.
Condition
of red
blood cell
Solution
Salt solution M
Diagram 8
Salt solution N
What are the type of solution M and N compared to the red blood cells?
Solution M
Solution N
A
Hypotonic
Hypertonic
B
Isotonic
Hypotonic
C
Hypertonic
Isotonic
D
Hypertonic
Hypotonic
Answer sheet for objective questions.
1
6
11
16
2
7
12
17
3
8
13
18
4
9
14
19
5
10
15
20
6
SECTION B
[30 marks]
Answer all questions
1. Diagram 1.1 shows a histogram for the number of organelles in a cell.
Diagram 2.1
(a)
(i)
What type of cell is Y?
[1 mark]
(ii)
State the reason for your answer in (a)(i).’
[1 mark ]
(b)
(i)
Based on Diagram 1.1, which cell has the most energy?
[1 mark]
(ii)
State the reason for your answer in (b)(i).
[1 mark]
(c)
State one difference between cells X and Z.
[1 mark]
7
Diagram 1.2 shows an animal cell.
Diagram 1.2
(d)
Using letters P for secretory vesicle and Q for ribosome, label structures P and Q on
Diagram 1.2.
[2 marks]
(e)
Name structure R and state its function.
Structure R :
Function
:
[2 marks]
(f)
The pancreas has many structure S. If structure S fails to function, explain
how this affects the regulation of blood glucose level.
[3 marks]
8
2. Diagram 2.1 shows the structure of the plasma membrane that is involved in the
movement of substances.
.
M
N
Diagram 3.1
(a)
Name the parts of the plasma membrane labelled L, M and N in Diagram 2.
L:
M:
N:
[3 marks]
(b)
Based on Diagram 2, explain how water and calcium ions are transported across the
plasma membrane into the cell.
(i)
Water :
[3 marks]
(ii)
Calcium ions :
[3 marks]
(c)
Explain what happens to a marine fish if it will enter into the fresh water.
[3 marks]
9
3. Diagram 3.1 shows the changes of red blood cells in solution A and B.
Diagram 3.1
Explain what happen to red blood cells in solution A and B.
[6 marks]
/30
END OF QUESTIONS
Prepared by,
______________________
Syazleen Abdul Rahman
Biology Teacher
10