EXAMINATION NO.

: ________________________________

SOUTH EAST EDUCATION DIVISION

2024 MALAWI SCHOOL CERTIFICATE OF EDUCATION MOCK EXAMINATION

BIOLOGY
Subject Number: M022/I
th
Tuesday, 19 March Time Allowed: 2 hours
8:00 - 10:00 am
PAPER I
Instructions:
1. This paper contains 12 printed pages. Question Tick if Do not write in
Number answered these columns
Please check.
1
2. This paper has two sections A and B.
2
Section A has ten questions and section B
3
has three questions.
4
3. Write your Examination number on all
5
pages.
4. In the table provided on this page, tick 6

against the question number you have 7

answered. 8

5. At the end of the examination, hand in your 9

paper to the invigilator. 10

11

12

©2024 SEED Turn over/…

 EXAMINATION NO.: ________________________________
2024 Page 2 of 12 M022/I
SECTION A (70 marks)
Answer all questions in this section in the spaces provided.

1. a) Define translocation.
_____________________________________________________________
_____________________________________________________________
(1 mark)
b) Name the process that assists in the translocation of substances from leaf
cells to the sleeve tubes.
_____________________________________________________________
_____________________________________________________________
(2 marks)
c) Explain any two importance of transpiration in plants.
(i)
_____________________________________________________________
_____________________________________________________________
(2 marks)
(ii)
_____________________________________________________________
_____________________________________________________________
(2 marks)

Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 3 of 12 M022/I
2. Figure 1 is a diagram showing cross-section of two arteries obtained from
two different individuals.

Figure 1
a) Name the condition shown in artery Y.
_____________________________________________________________
(1 mark)
b) State any two activities that may lead to the condition in artery Y.
___________________________________________________________
___________________________________________________________
(2 marks)
c) Explain how the condition in artery Y is dangerous to the health of a
person.
___________________________________________________________
___________________________________________________________
(2 marks)

3. a) Give any two functions of hydrochloric acid produced in the stomach

_____________________________________________________________
_________________________________________________________
(2 marks)
Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 4 of 12 M022/I
b) Explain how the conditions are made suitable for the action of lipase in
the duodenum.
___________________________________________________________
___________________________________________________________
(2 marks)
4) Figure 2 is a diagram showing contents of a cell underground cell division.

Figure 2
a. Identify the type of division in which this occurs.
________________________________________________________
________________________________________________________
(2 marks)
b. Name the condition shown in the figure.
_____________________________________________________________
_________________________________________________________
(2 marks)
c. State the name of part labelled A.
___________________________________________________________
___________________________________________________________
(2 marks)
Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 5 of 12 M022/I
d. Describe the effect of the condition above in the off springs produced.
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
(3 marks)
5. Figure 3 is a diagram showing two animals labelled X and Y.

Figure 3
a) Identify the group of animals to which X and Y belong.
____________________________________________________________
(1 mark)
b) Name the animals labelled X and Y.
X ___________________________________________________ (1 mark)
Y ___________________________________________________ (1 mark)
c) To which group of your answers in 5a does each animal belong
X ___________________________________________________ (1 mark)
Y ___________________________________________________ (1 mark)
Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 6 of 12 M022/I
6. (a) Describe any two adaptations of the placenta to its function.
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
(4 marks)
b) State any one function of each of the following hormones.
i. Luteinizing hormone
_____________________________________________________________
(1 mark)
ii. Progesterone
________________________________________________________
(1 mark)
iii. Adrenaline
________________________________________________________
(1 mark)
7. a). State the processes that allow entry of the following into root hairs.
i. Water
_____________________________________________________________
(1 mark)
ii. Nitrate ions
_____________________________________________________________
(1 mark)
b) Define the following terms
i. Tropism
_____________________________________________________________
(1 mark)
Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 7 of 12 M022/I
ii. Auxins
_____________________________________________________________
(1 mark)
d) State any two uses of synthetic auxins to farmers.
_____________________________________________________________
_____________________________________________________________
(2 marks)
e) Explain the process of protein formation in plants.
(i) ________________________________________________________
(ii) ________________________________________________________
(iii) ________________________________________________________
________________________________________________________
(3 marks)
8) Figure 4 is a diagram showing a red bone marrow producing mutant cells
which lead to cancer.

Figure 4
a) Identify the stage in which mutation occurs
___________________________________________________________
(1 mark)
Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 8 of 12 M022/I
b) State any one cause of this mutation.
___________________________________________________________
(1 mark)
c) State any two effects of stage 5 of cancer cells to the body.
___________________________________________________________
___________________________________________________________
(2 marks)
d) Explain any one way of treating this kind of cancer.
___________________________________________________________
___________________________________________________________
(2 marks)
e) Explain the process of natural selection that can cause a mutation tp
become common in the later generation.
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
(5 marks)
9. (a) i) State the difference between chemical digestion and physical digestion.
___________________________________________________________
___________________________________________________________
(1 mark)
ii) Mention the food substance that is chemically digested in the mouth.
________________________________________________________
(1 mark)
Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 9 of 12 M022/I
(iii). State the enzyme responsible for chemical digestion in the mouth.
________________________________________________________
(1 mark)
(b) State any two functions of the small intestines.
_____________________________________________________________
_____________________________________________________________
(2 marks)
(c) Explain any two adaptations of ileum for its function.
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
(4 marks)
(d) State any two problems associated with the human digestive system.
_____________________________________________________________
_____________________________________________________________
(2 marks)
10. Figure 5 is a diagram showing a process occurring in the human body.

Figure 5
a) Identify the process shown in the figure.
_____________________________________________________________
(1 mark)
Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 10 of 12 M022/I
b) Mention the special cells responsible for its process above in the human
body.
_____________________________________________________________
(1 mark)
c) Name the part of the process labelled M.
_____________________________________________________________
(1 mark)
d) State the mineral element used in the body to allow the process labelled M.
_____________________________________________________________
(1 mark)
e) Which of the two diagrams A and B is polarized.
_____________________________________________________________
(1 mark)
SECTION B
ESSAY QUESTIONS
30 marks
Answer all questions.
11. Describe the process of urine formation in an essay form.
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 11 of 12 M022/I
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
(10 marks)
12. Describe any five ways in which impacts of the climate can be mitigated.
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
Continued/…
 EXAMINATION NO.: ________________________________
2024 Page 12 of 12 M022/I
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
(10 marks)
13. Explain any five ways in which diseases can be prevented in a community.
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
(10 marks)
END OF QUESTION PAPER
NB: This paper contains 12 printed pages.