🌊PAPER 22-Qns

PRESIDENT’S OFFICE

REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

KIGOMA DISTRICT COUNCIL

FORM TWO MOCK EXAMINATION – MAY 2025

BIOLOGY

Time: 2:30 Hours, Thursday 22^st May 2025

INSTRUCTIONS:

1. This paper consists of sections A, B and C with a total of ten (10) questions.

2. Answer ALL questions in the spaces provided.

3. Section A carries fifteen (15) marks, section B seventy (70) marks and section C carries fifteen (15) marks.

4. All writing should be in blue or black ink except drawing which must be in pencil.

5. All communication devices and any unauthorized materials are not allowed in the assessment room.

FOR EXAMINER’S USE ONLY

QUESTION NUMBER	SCORE	EXAMINER’S INITIALS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
CHECKER’S INITIALS

SECTION: A (15 Marks)

Answer ALL questions from this section

1. For each of the items (i) – (x), choose the correct answer from among the given alternatives and write it beside the number in the box provided.

I. Why a glass hopper called herbivore?

1. It feeds on animals C. It feed on bacteria

2. It uses wings to fly. D. It feed on plants

II. Which of the following organisms are members of the kingdom protoctista?

1. Bacteriophage and paramecium C. Plasmodium and amoeba

2. Euglena and Yeast. D. Bacteria and trypanosoma

III. Which of the following is recommended as a first aid procedure for a victim who has been stung by a bee? A. Giving plenty of water to the victim.

B. Applying baking soda paste on the stung area few minutes C. Leaving the cotton on the stung area few minutes

D. Giving an oral rehydration drink to the victim.

IV. The residents of a certain village in Kigoma feed on meat, beans and Ugali. In order to improve their health, which of the following would you recommend to add in their diet?

1. Fish and sweet potatoes C. cassava and fruits

2. bread and green vegetables. D. fruits and green vegetables

V. A biologist discovered a new cell in a culture. The new cell had a distinct cell wall but did not have a definite nucleus. The all is mostly likely to be:

A. Protozoa B. Plants. C. Bacteria D. Virus

6. Select the good advice on how to deal with electronic wastes in rural and urban places for the betterment of present and future generation

1. they should get buried under the ground C. they should be given to street electrician

2. they should be buried in rubbish pits. D. they should be recycled into other products

6. All of the following are respiratory surface except:

A. Skin B. Lung. C. Heart D. Gills

6. Which one of the following is the list of animal tissue

1. Muscle, blood and bone C. Skin, heart and brain

2. Brain, bone and liver. D. Muscle, liver and skin

6. What is the main product of anaerobic respiration in animals

A. Alcohol B. Uric acid. C. Lactic acid D. Pyruvic acid

X. A blood vessel which conveys deoxygenated blood away from heart is called:

A. Capillaries. B. Artery C. Vein D. Pulmonary artery

ANSWERS

I	II	III	IV	V	VI	VII	VIII	IX	X

2. Match the items in list A with the correct responses in list B by writing the correct letter in the provided space below.

	LIST A	LIST B
i. ii. iii. iv. v.	The chewed food rolled into a ball-like structure. The breakdown of food into small particles during chewing by teeth. Movement of food along the oesophagus involves a series of muscle contractions and relaxations. An enzyme that converts lactose to glucose and galactose. Part of the digestive system where the process of digestion ends.	Pancreas. Chemical breakdown. Mechanical breakdown. Lactase. Sucrase. Oesophagus. Bolus. Peristalsis. Cardiac sphincter Ileum

ANSWERS

LIST A	I	II	III	IV	V
LIST B

SECTION: B (70 Marks)

Answer ALL questions from this section

3. (a) What do you understand by the term “Botany”?...................................................................................................………………………………………………………………………………………………………………….

   2. Identify seven (7) life processes that occur in all living things that make them different from non-living things.

      1. ……………………………………………………………………………………………………..

      2. ……………………………………………………………………………………………………

      3. ……………………………………………………………….……………………………………..

      4. ……………………………………………………………………………………………………..

      5. ……………………………………………………………………………………………….…….

      6. …………………………………………………………………………………………………….

      7. …………………………………………………………………………………………………….

4. (a) How does a plant cell differ from an animal cell? Give three key points.

Plant cell	Animal cell

2. List four (4) organelles that are present in both plant cells and animal cells.

   1. ………………………………………………………………………………………………….

   2. ………………………………………………………………………………………………….

   3. ………………………………………………………………………………………………….

   4. ………………………………………………………………………………………………….

5. (a) Draw the diagram of human digestive system and show the following parts;

(i) Mouth (ii) Oesophagus (iii) Stomach (iv) Small intestine(duodenum and ileum)

(v) Colon.

2. What is the first organ where digestion begins?..........................................................................................

3. Which tube carries food from the mouth to the stomach?...........................................................................

4. What organ stores bile and helps break down fats?......................................................................................

(f )What is the last part of the digestive system where waste is stored before elimination?....................................

6. The bread was put in a wet cupboard. After a few days black thread-like structure which ended up in a club-like shape appeared on the bread.

1. The name of an organism grown on the bread surface is called?.........................................................

2. Name the kingdom in which the observed organism belongs?..........................................................

3. The phylum in which the observed organism is called?...................................................................

4. Outline the economic importance of the kingdom you have mention in (b) above

1. …………………………………………………………………………………………

2. ………………………………………………………………………………………….

3. ………………………………………………………………………………………….

7. A child complains to her mother that she has a headache, joint pain, uneasy feeling, vomiting and abdominal pain. Her mother realizes that the child also has a fever. She eventually takes her to hospital.

1. Which disease do you think the child is suffering from?..................................................................

2. What is the cause of the disease?......................................................................................................

3. Mention two ways of transmission of the disease

1. …………………………………………………………………………………………….

2. ……………………………………………………………………………………………

d) How can the disease be prevented?

1. …………………………………………………………………………………………

2. ………………………………………………………………………………………….

8. (a) What is Biology laboratory?....................................................................................................................………………………………………………………………………………………………………….…………………………………………………………………………………………………………

2. List five equipments that are found in the biology laboratory

   1. ……………………………………………

   2. ………………………………………………….

   3. ……………………………………………

   4. ………………………………………………….

   5. ………………………………………………

3. List any three biology laboratory rules.

   1. ………………………………………………………………………………………………….

   2. ………………………………………………………………………………………………….

   3. ………………………………………………………………………………………………….

9. (a) Suppose you are in a class and your biology subject teacher brings you an unknown organism. Which characteristics will you look for to confirm that it belongs to the kingdom plantae?

i.……………………………………………………………………………………………………

ii.……………………………………………………………………………………………………

iii.……………………………………………………………………………………………………

iv.……………………………………………………………………………………………………

2. Name the division in which each of the following organisms belong

   1. Moss plant…………………………………………………………………………………..

   2. Fern plant…………………………………………………………………………………..

SECTION: C (15 Marks)

Answer question ten

10. Write an essay on waste basing on the following guidelines;

• Meaning of waste and waste disposal

• Types of waste (Four points)

• The basic principles of waste disposal (Three points)

• Five effects of poor waste disposal at home and school.

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