PRESIDENT’S OFFICE
REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT
SONGEA DISTRICT COUNCIL
FORM FOUR MOCK EXAMINATION
033/1 BIOLOGY1
(For Both School and Private Candidates)
Time: 3 Hours March, 2025
Instructions
1. This paper consists of section A, B and C with a total of eleven (11) questions.
2. Answer all questions in section A, B and two questions from section C.
3. Section A carries sixteen (16) marks, Section B carries fifty-four (54) marks and section C carries
thirty (30) marks.
4. All writings should be in blue or black pen, except for diagrams that must be drawn in pencil.
SECTION A (16 Marks)
Answer all questions in this section
1. For each items (i – x) choose the correct answer from among the given alternatives and write its
letter on the given answer sheets.
(i) The growth of human beings starts before and after birth by following a systematic
growth pattern which is
A. Localised growth B. Isometric growth C. Alternatives growth
D. Diffuse growth E. Intermittent growth
(ii) As a first aider which of the following you can advise the patron and matron not to do to
a person who is bitten by a snake during giving first aid.
A. Tying with a soft cotton cloth a victim part at the upper
B. Laying a victim at a comfortable area
C. To take a victim from a dangerous area
D. Giving an alcohol to a victim
E. Giving a hopeful words a victim
(iii) During cold weather shivering occurs in a mammalian body inorder to
A. Shake off coldness B. Produce sweet C. Relax the muscles
D. Generate heat E. Prevent heat
(iv) The central nervous system consists of
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A. The brain and the spinal cord B. The spinal nerves C. The spinal cord and
spinal nerves D. The sympathetic and parasympathetic nerves
E. The spinal nerves and the brain
(v) Farmers in several villages in simiyu region visited the regional referral hospital with the
samecomplain of vomiting, diarrhoea look like rice water and wrinkled skin. Which
disease is likelyaffecting them.
A. Gonorrhea B. Cholera C. Malaria D. Bilharzia E. Tuberculosis
(vi) Hormone are carried from one part of the body to another
A. A long ducts B. A long nerve C. By the blood
D. Down the hollow part of the spinal cord E. By the water
(vii) Chicken and dogs have ability to maintain constant body temperature. They are
therefore described as.
A. Homeotherms B. Poikilotherms C. Homeostasis D. Regulation
F. Cold blooded organism
(viii) Consider the foodchain . Grass Grasshoppers Birds, The Birds in this
Food chain are.
A. Producers B. Tertiary consumers C. Primary consumers
D. Secondary consumer E. Decomposer
(ix) Which of the following types of protein filaments make up the muscles?
A. Adenine and guanine B. Ligaments and tendons C. Adenine and thyamine
D. Actin and myosin E. Myosin and adenine
(x) In mammals, deoxygenated blood from the body enters the heart through.
A. Left ventrical B. Right ventrical C. Right atrium (auricle)
D. Left atrium (auricle) E. Pulmonary
2. Match the phrases in LIST A with the response in LIST B by writing the letter of the correct
response From LIST B in the sheet provided.
LIST A LIST B
(i) It relays information between A. Nerve fibre
the forebrain and eyes. B. Cerebellum
(ii) Control body balances and C. Olfactory lobe
posture. D. Hypothalamus
(iii) It controls breathing, E. Mid brain
digestion, dilation and F. Medulla oblongata
contraction of blood vessels. G. Cerebrum
(iv) Responsible for speech, H. Hypocampus
memory, intelligence and
imagination.
(v) It coordinates and control the
autonomic nervous system.
(vi) Keeps memory.
SECTION B (54 Marks)
Answer all questions in this section
3. (a) Among the characteristics of living things is growth. In order for organism to grow well,
there must be a particular cell division.
(i) Identify and give meaning of the kind of cell division responsible for growth.
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(ii) What will be its significance in living organisms if the process mentioned in 3(i)
above will occur?
(b) State three roles of water during seed germination.
4. (a) Briefly explain the following terms
(i) Trophic level (ii) Food chain (iii) Food web
(b) With examples briefly explain how the following interactions of living organism take
place.
(i) Predation (ii) Parasitism (iii) Mutualism
5. (a) Define the terms ‘ classification system’ and ‘ Taxonomy’
(b) (i) List the types of classification system
(ii) Give two differences between the classification systems you have listed in b (i).
6. (a) ‘Even though it seems like a simple care but First Aid is a vital thing ‘. Outline four reasons
to support this statement.
(b) Mention four methods that can keep us free from accident at home and schools
7. (a) Most women nowadays don’t breast feed their babies. As a form four student educate them
on the importance of breast feeding rather bottle feeding.
(b) Describe four factors that cause physical deterioration of the human body.
8. (a) Human body is made up of more than 639 muscles, outline three adaptations of muscles to
its functions.
(b) State three types of movable joints and identify their location.
SECTION C (30 Marks)
Answer two (02) questions from this section.
9. Write an essay on Corona Virus Disease (COVID – 19) using the following guidelines.
• Causative agent
• Transmission of the disease
• Symptoms of the disease
• Preventive measure against the disease
• Treatment
10. Food preservation is very important in human life. Discuss it’s importance under the following
guidelines.
(a) Need for preservation
(b) Local (traditional) food preservation methods and their biological effects
(c) Advantages of local food preserving methods
11. (a) A black rabbit homozygous for coat colour was crossed with white rabbit of unknown
genotype. The offspring was all black, By means of a diagram and symbols find the genotype
of the parent and offspring.
(b) (i) What is sex – linked character?
(ii) If coat colour in rabbit question 10 (a) is a sex – linked character, what would be the
phenotypes and genotypes of offspring produced from a cross between a black male and a white
female?
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