๐‘ท๐’“๐’†๐’Ž๐’Š๐’–๐’Ž ๐‘ฝ๐’†๐’“๐’”๐’Š๐’๐’|๐‘ญ๐’–๐’๐’ ๐‘ท๐’๐’”๐’•๐’” ๐‘ผ๐’๐’๐’๐’„๐’Œ ๐‘ต๐’๐’˜

[PAPER 02-QNS]

THE PRESIDENT’S OFFICER

EGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

HAI DISTRICT COUNCIL TERMINAL EXAMINATIONS

FORM THREE

CODE: 033/1 BIOLOGY

TIME: 3 HOURS 2025

INSTRUCTIONS.

  1. This paper consists ofsections A, B and C with a total of 11 questions.

  2. Answer all questionsin section A and B andonly two (2) questions in section C.

  3. Communication devices and any un authorized materials are not allowed in the examination room

  4. Write your full name on every page of your answer sheet.

  5. Use blue or black ink ball pointed pen but all diagrams must be in pencils







SECTION ‘A’

  1. For each of the following items (i) – (x), choose the correct answer among the given alternatives then write its letter in your answer sheet:

i. Which of the following series of activities take place together when focusing a distant object?

  1. Ciliary muscles relax and lens becomes thin

  2. Ciliary muscles contract and the lens becomes thin

  3. Ciliary muscles contract and the lens becomes think

  4. Ciliary muscles relax and pulls the lens becomes thick

  5. Ciliary muscle relax and pull the lens into its normal shape

ii. Which of the following would happen if a red blood cell is placed in a concentrated salt solution.

  1. Turgidity

  2. Crenation

  3. Hemolysis

  4. Plasmolysis

  5. Bursting

iii. The rate of breathing increases when somebody is sick. This is due to the fact that

  1. The body has low concentration of hemoglobin

  2. The body has low concentration of carbonidioxide

  3. There is decreased metabolism of the liver in order to remove the toxics released by pathogens

  4. High concentration of carbondioxide int he blood

  5. There is increased metabolism by the liver in order to remove the toxins released by pathogens.

iv. The proper method of disposing biohazardous wastes is ________?

  1. Burning

  2. Incineration

  3. Recycling

  4. Feeding animals

  5. Pit latrines.

V. When a fish is taken out of water can die because

  1. It has no legs for walking

  2. It’s mouth is small to get the food on land

  3. It’s gills are not able to exchange dry respiratory gases

  4. On land there are many enemies than in water

  5. The water on land flows faster than in rivers

vi. A person was admitted in the hospital after an operation will mostly likely to be feed on food rich in.

  1. water

  2. carbohydrates

  3. roughages

  4. lipids

  5. proteins

vii. Msaki got an accident of being heated by a hot object, after accident he was unable to withdraw his hand from hot objects. Which of the nervous system could probably affected.

  1. Cerebrum

  2. Medulla oblongata

  3. Cerebellum

  4. Spinal cord

  5. Hypothalamus

viii. If you stepped on a thorn barefooted, you would feel sharp stinging pain, which of the following would be responsible for the detection of the stimulus?

  1. Afferent neurone

  2. Efferent neurone

  3. Intermediate neurone

  4. Relay neurone

  5. Effector organ

ix. Which of the following is not among the functions of the bones.

  1. Support

  2. Protection

  3. Transport

  4. Shape

  5. Locomotion

x. Rahma discovered a street guy who could not speak properly due to excess use of drugs that slow down the brain and makes a person feels Sleepy. What probably is the types of drugs taken by the guy?

  1. Stimulants

  2. Sedatives

  3. Hallucinogen

  4. Depressants

  5. Penicillin

  1. The following are matching item. Match the phrase or term in LIST Awith that in LIST Bby writing its letter in the spaces provided.


LIST‘A’

LIST ‘B’

i.

ii. iii. iv.

v. vi.

External flap of skin covered by elastic cartilage.

It separates the outer ear from middle ear.

Ear a ossicles

Maintains the equal pressure inside and outside the ear

Responsible for balancing the body

Prevents the pathogens from entering the ear.

  1. Oval window, incus stapes

  2. circular canal

  3. Cochlea

  4. Pinna

  5. Ear canal

  6. Malleus incus stapes

  7. Eustachian tube

  8. Pharynx

  9. Tympanic membrane

  10. Ear wax

  11. Drums

SECTION ‘B’

  1. (a) What precautions should be taken in the care and handling of a microscope? Any three.

(b) Briefly explain the roles of the following First Aid Kit components in First Aid.

i. Wooden spatula

ii. Strips of cloth

iii. Gauze

  1. During classification period, form three students classified maize and beans plants in two separate classes

      1. Identify the classes maize and beans

      2. Point four benefits of the division of plants above .

      3. In which ways do female cones differ plants were classified to from male cones?

  1. (a) What will be the effect of removing the following trophic levels in an ecosystem?

i. Predators iii. Herbivores ii. Decomposers

    1. State how producers get their food nutrients in an ecosystem.

    2. How do the following abiotic factors support an ecosystem

i. Water ii. Soil

  1. (a) State the significance of the following biology laboratory features

i. Large windows iii. Water supply ii. Gas supply

    1. What should you do in the following situations?

    1. While you are boiling some water in laboratory, you realize that you need to go after your school bag from the classroom.

    2. You need to perform a biology experiment but is no body in the laboratory

    3. You have finished your biology experiment of the day.

  1. (a) ) Give the function of the blood components

(b)Blood circulation is essential for any mammal in everyday life. Justify (five points)

  1. (a) Give the name of the muscles which are found above and below the humerus

(b)Eplain what happen to the muscles when

(i) Arm is bending (ii)Arm is straight

(c)What are adaptations of muscles to their function (three points.)

SECTION ‘C’

  1. (a)Majority of people believe that all bacteria are harmful organism. As form three student explain economic importance of bacteria

  2. (a)Why excretion is important process in human being ?

(b)How human urinary system is adopted to its function?

11.Explain six (6) roles of the skin in the human body.




Cookie Consent
We serve cookies on this site to analyze traffic, remember your preferences, and optimize your experience.
Oops!
It seems there is something wrong with your internet connection. Please connect to the internet and start browsing again.
AdBlock Detected!
We have detected that you are using adblocking plugin in your browser.
The revenue we earn by the advertisements is used to manage this website, we request you to whitelist our website in your adblocking plugin.
Site is Blocked
Sorry! This site is not available in your country.