MOEDP THE SCHOOL ORIENTED PROGRAMME CONTACT US: 0742497222 / 0627486117
MAGINA ONLINE EDUCATION DEVELOPMENT PROJECT (MOEDP)
MOEDP EXAMS BOARD
FORM TWO CONTINOUS ASSESMENT SERIES 1
BIOLOGY
TIME: 2:30 HOURS AUGUST 2023
INSTRUCTIONS
1. This paper consists of section A, B and C with a total of ten (10) questions
2. Answer all questions in each section.
3. Section A carries fifteen (15) marks, section B seventy (70) marks and section C carries
fifteen (15) marks.
4. All writing must be in blue or black ink except drawings which must be in pencil.
5. Cellular phones and any unauthorized materials are not allowed in the examination room.
6. Write your Examination Number on the top right on every page.
FOR EXAMINER’S USE ONLY
QUESTIONS SCORE EXAMINER’S INITIALS
NUMBER
1
2
3
4
5
6
7
8
9
10
TOTAL
CHECKER’S INITIALS SECT
ION A
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MOEDP THE SCHOOL ORIENTED PROGRAMME CONTACT US: 0742497222 / 0627486117
Answer all questions in this section
1. For each of the given item (i)-(x) choose the correct answer from among the given
alternative and write its letter in the table provided
i. If the eyepiece lens of Akindele secondary school’s laboratory microscope has
magnification of 10x while its objective lens magnification is 15x. workout for total
magnification
A. 25x
B. 150x
C. 15x
D. 5x
ii. Organism A can make their own food from simple inorganic substances. What
biological name is effective to organism A?
A. Heterotrophs
B. Autotrophs
C. Parasites
D. Saprophytes
iii. Apart from their body size, Bryopytes and Filicinophytes are grouped separately
because of their:
A. Chlorophyll
B. Habitat
C. Vascular tissues
D. Mode of reproduction
iv. Tadpoles and fish were found in the pond. Suggestion the common respiratory
surface adopt their free survival in the pond.
A. Lungs
B. Moist skin
C. Tracheal system
D. Gills
v. Blood is very important tissue of mammalian body, but cannot perform some of
biological roles such as:
A. Transporting respiratory gases
B. Permanent storage of glucose
C. Transporting hormones
D. Defending the body from pathogenic microorganism.
vi. Old magazines can be used to make paper envelopes, broken glass can be used to
make jewellery. This process commonly is known as:
A. Reusing
B. Waste disposal
C. Recycling
D. Incineration
vii. After having unsafe sex with man, she met at local bar anna was found to have
gonorrhea. This disease is termed as:
A. HIV
B. AIDS
C. STD’S
D. STI’S
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viii. Saidi responds to his teacher’s call immediately after hearing his name. saidi’s
action represents:
A. Sensitivity and irritability
B. Movement and locomotion
C. Sensitivity and growth
D. Growth and movement
ix. Mr. Makaka applied excess chemical fertilizers to his farm without considering the
proper instruction, finally all nitrifying bacteria were killed. What effects will face
Mr. Makaka’s farm?
A. Poor fixation of nitrites to plants
B. Failure of fixing of nitrate to plants
C. Nitrogen cycle will be low
D. Excess nitrogen gas to plants body
x. In breweries industries bacteria and fungi are said to play a great role than a man
power they need, this is because:
A. They can reproduce sexually
B. They act as specimens
C. Used in manufacturing of antibiotic
D. They can ferment sugar.
ANSWERS
Questions I ii iii Iv V Vi Vii viii ix X
Answers
2. Match the descriptions of the parts of the respiratory system in LIST A with corresponding
terminologies from LIST B by writing the letter of the correct response
LIST A LIST B
i. Enclose and protect the lungs A. Diaphragm
ii. Basic functional unit of human gaseous exchange B. Ribs
iii. A muscular sheet between thorax and abdomen C. Nostril
iv. Main organ for gaseous exchange in mammals D. Glottis
v. Let air in and out of the body E. Alveoli
F. Lungs
G. Bronchioles
LIST A I Ii Iii Iv V
LIST B
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MOEDP THE SCHOOL ORIENTED PROGRAMME CONTACT US: 0742497222 / 0627486117
SECTION B (70 Marks)
Answer all questions in this section
3. (a) Assuming that, your biology teacher asked you to draw a well labelled diagram of
animal cell and show the parts responsible for the following:
i. Protect and give the cell a definite shape
ii. Allows selective movement of substances across the cell
iii. Site for chemical reaction
iv. Home of hereditary materials
(b) Highlight difference between mango tree and cat based on their basic unit of life
(Two points)
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4. (a) give a biological fact for each of the following observations.
i. Dog’s red blood cells rapture when placed in distilled water
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ii. Plant cell does not burst when placed in hypotonic
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iii. Human red blood cells lose water and shrink when placed in highly
concentrated surrounding.
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(b) Osmosis is applied in various ways in living things. Prove this statement by using any two
facts:
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5. Bacteria and protozoans are among of the pathogens that cause communicable diseases
using different styles. Briefly explain any five styles of transmission
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6. (a) The students of Mwanga Primary school visited Serengeti National Park and observed
varieties of living things such as Hyena, Dik-dik, Leopard, Antelope, Mushroom and grasses.
i. Use the list of organisms listed above to construct a food web
ii. Group the organisms from food web with respect to their feeding habit (show
on either side of your food we)
iii. Draw any two food chains from the food web in 6(a)(i)
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(b) Energy flow decreases as it moves from trophic level to the next level. Give reason
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7. (a) Why it is not healthy advised to give alcohol to a snake bite victim? Briefly explain.
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(b) what do expectant mothers need enough protein, vitamins and iron?
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(c) The patient complained a difficulty in removing the undigested food and dry stool. State any
two possible measures to overcome this condition.
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8. Form two students were debating on the motion “Biology is better than History”. Being on
the proposer side defend the motion with five points.
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9. (a) Monera is considered as a group of microorganisms with varieties of members with
different shapes. With examples support this statement. (Any four)
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(b) We should preserve our environment by planting big trees not mosses because they are very
small with less benefits. Give four reasons to show this notion is wrong.
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MOEDP THE SCHOOL ORIENTED PROGRAMME CONTACT US: 0742497222 / 0627486117
SECTION C (15 Marks)
Answer the following question
10. Most agricultural food products in Mahande Village are spoiled to poor knowledge of food
preservation. Using a biological knowledge, explain to the villagers five (5) ways they can
preserve their food and any two strengths of those techniques.
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