PRESENT’S OFFICE, REGIONAL ADMINISTRATION

AND LOCAL GOVERNMENT

SECONDARY EXAMINATION SERIES

BIOLOGY FORM ONE

MID-TERM EXAMS – AUG/SEPT – 2024

TIME: 2:30 HRS

INSTRUCTIONS

1.                This paper consists of sections A, B and C with a total of ten (10) questions.
2.                Answer all questions
3.                Section A and C carry fifteen (15) marks each and Section B carry seventy (70) marks.
4.                All writing must be in blue or black ink except drawing which must be in pencil.
5.                Cellular phones and any unauthorized materials are not allowed in the assessment room.

SECTION A

Answer all questions.

1.      Which of the following will be a sequence to follow in a scientific procedure?

1.   Observation and data recording
2.   Hypothesis and formulation
3.   Conclusion
4.  Problem identification

ii. Which of the following is not a feature of bacteria?

1.   They are unicellular
2.   All are parasitic
3.   They prokaryotic
4.  They can produce through binary fussion.

iii. The following are importance of first aid except

1.   Cures the person
2.   Give hope and encouragement
3.   Reduces pain
4.  Reduces excessive loss of blood

iv. Tumaini has a new born baby. She is worried about measles. Tumaini can prevent her baby against measles by; 

1.   Active artificial immunity
2.   Artificial passive immunity
3.   Active natural immunity
4.  Natural passive immunity

v. Which of the following is a direct benefit of studying biology?

A. Understanding diseases for better health and medicine 

B. Learning about stars and planets

C. Developing stronger writing skills

D. Improving mathematical calculations

vi. Bryophytes need water for;

1.    Fertilization
2.    Pollination
3.    Transport of substances
4.  Digestion of food

vii. The organelle that helps package and transport materials in the cell is the:

1.   Lysosome
2.   Golgi apparatus
3.   Ribosome
4.  Mitochondria

viii. Which of the following is NOT a principle of personal hygiene?

1.   Brushing teeth twice a day
2.   Sharing towels and clothes
3.   Washing hands before eating
4.  Keeping nails short and clean

ix. In a controlled experiment, the variable that the scientist deliberately changes is the:

1.   Dependent variable
2.   Independent variable
3.   Control variable
4.  Qualitative variable

x. The protein coat that surrounds the genetic material of a virus is called the:

1.    Capsid
2.    Envelope
3.    Nucleus
4.   Cytoplasm

2. Match the cell organelle with its function:

SECTION B

3. (a) state the steps that should be taken to prevent yourself from getting infections when giving first aid.

b) Briefly give the uses of the following items in a first aid kit

i)  Bandage

ii)  Safety pins

iii) Thermometer

iv)  Whistle

4. Outline the seven steps involved in the scientific method.

5. List five principles of good manners.

7. (a) What are the key differences between plant and animal cells?

(b) Draw a clearly labelled diagram of a moss plant.

8. (a)List three ways that understanding biology directly benefits human society.

   (b) Explain how a basic understanding of biology can help you make informed decisions about your own health and well-being.

9. List down any five factors that may weaken body immunity.

SECTION C

10. Explain the harmful effects of some protozoans on humans and the environment.

THE PRESIDENT’S OFFICE

REGIONAL ADMINISTRATIVE AND LOCAL GOVERNMENT

FORM ONE EXAMINATIONS SEPT 2022

BIOLOGY FORM ONE NEW NECTA FORMAT

Time: 02:30 Hours                                                                               

INSTRUCTIONS

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

2. Answer all questions in sections A and B and  C.
3. Section A carries 15  marks, section B seventy  (70) marks and section C (15) marks.
4. All writing must be in black or blue ink except drawings which must be in pencil.
5. Cellular phones and any unauthorized materials are not allowed in the assessment room.
6. Write your Assessment Number at the top right corner of every page.

SECTION A (15 Marks)

Answer all questions in this section.

1. For each of the item (i)-(x), choose the correct answer from among the given alternatives and write its letter in the box provided

1.              The purpose of examination in scientific procedures is to: -

1.             Identify the problem 
2.             Test the hypothesis 
3.             Display the results
4.             Confirm the conclusion 
5.              Predict results 

2.           The part of a compound Microscope which helps to concentrate light to the object under observation is: -

1.             Ocular tube 
2.             Arm 
3.             Revolving nosepiece
4.             Mirror 
5.              Diaphragm 

3.         An individual obtain artificial active immunity through: -

1.             Sucking her / his mother's milk called colostrums
2.             Vaccination / Immunization
3.             Antibodies from another mother 
4.             Previous Infections
5.              Antibodies from his/ her mother

4.         Viruses are considered to be non-living because:

1.             They are only active in the contents of a living cell 
2.             They have true nuclei
3.             The body is covered by cell wall
4.             They are single cell Eukaryotic Organism 
5.              They have cell wall made up of cellulose.

5.            Which of the following is a chemical substance that catches fire easily?

1.             Corrosive
2.             Flammable
3.             Oxidant
4.             Irritant
5.              Harmful

6.         One of the following is the principle of good manner 

1.             Eating fast
2.             Speaking respectively
3.             Throwing food
4.             Wearing tight clothes
5.              Washing the body everyday

7.       Rickets is a common feature in young, children lacking one of the following vitamin;

1.             D
2.             A
3.             B
4.             K
5.              C

8.    If you do not have gloves, you can also use . . . . . . . . . . .To protect your hands

1.             Socks
2.             Plastic bags
3.             Tins
4.             A piece of cloth
5.              Papers

9.         Mwanaidi wanted to get powder from a piece of cassava so that she could carry out food test experiment in biology laboratory to know the food nutrient(s) present in cassava. Which of the following apparatus could she use to obtain powder from piece of cassava?

1.             Pestle 
2.             Grinder 
3.             Motor
4.             Motor and pipette  
5.              Pestle and motor 

10.            Form two students were observing the structures of animal cells by electron microscope in the biology laboratory. Unfortunately the image formed from their microscopes was not clear. Which of the following part of microscope will they use to adjust in order to obtain a sharp images of animal cells?

1.             Rotating nose piece
2.             Coarse adjustment knob 
3.             Fine adjustment knob
4.             Eyepiece lens 
5.              Mirror 

2, Match the phrases in List A with responses in List B by writing the letter of the correct response below the corresponding item number in a table provided.

SECTION B 70 MARKS

ANSWER ALL QUESTIONS IN THE SPACES PROVIDED

3 (a) Name the locomotory organs of the following organisms

1.       Amoeba
2.       Euglena
3.       Man
4.       Earthworm

(b) Differentiate between movements and locomotion.

4. (a) Define the following terms as used in biology.

(i) Biology laboratory (ii) Botany

(b) Give the function of the following parts of light microscope (One function in each).

1.    Mirror
2.    objective lens
3.    Eye piece
4.    Base
5.    Limb or Arm
6.    Clip
7.    Course adjustment
8.    Stage

5.(a)n List five accidents which are common at home and at school

(b)  differentiate between waste and waste disposal

(c) Why it is not healthy advised to give alcohol to a snake bite victim? Briefly explain.

6. (a) State the meaning ofthe following terms as used in Biology.

(i)A cell ..

(ii)System

(iii)Organ

(b) Differentiate between animal cells and plant cells

7. If you put a piece of bread in a wet cupboard after a few days the bread will be covered with organisms called Fungi.

(a) Give a common name of these fungi which grow on bread .

(b) Outline three Phyla of the Kingdom Fungi.

(c) Outline five advantages of the kingdom Fungi.

8. Define the following terms:

(i) Parasite

(ii)Host

(iii) Community

(b) Give two examples for each of the following group of parasitic organisms:

(i) Endoparasite

(ii) Ectoparasite

9. What do you understand by the term "Personal hygiene"?

(b)      State four principles of personal hygiene. 

(c) State four principles of good manners:

SECTION C (15 MARKS)

ANSWER QUESTION TEN

10. Use the following guidelines to explain how you will teach people in your community about eating a balanced diet: 

•        meaning of a balanced diet 
•        components of a balanced diet 
•        importance of each component 
•        deficiency diseases which may result when a person does not eat a balanced diet 
•       two factors which contribute to lack of balanced diet among children in Tanzania.

THE PRESIDENT’S OFFICE

MINISTRY OF EDUCATION, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

COMPETENCY BASED SECONDARY EXAMINATION SERIES

BIOLOGY MID TERM EXAMINATION

FORM ONE-AUG/SEPT 2021

Time: 2:30Hours

Instructions.

1.          This paper consists of section A, B and C with a total of 11 questions
2.          Answer all questions in section A and B and ONE question from section C.
3.          Section A carries 30 marks, section B 50 marks and section C 20  Marks
4.          All answers should be written in the spaces provided.
5.          All communication devices, calculators and any unauthorized material are not allowed in examination room.
6.          Write your number on every page of your answer booklet.

 SECTION A (30 Marks)

 Answer All questions in this section.

(i)  In a microscope if the eye piece reads x10 and the objective lens reads x40, the total magnification is:

1.  400 times  
2.  10 times
3.   40 times 
4.  100 times
5.   200 times

(ii)      The ability of the human body to resist infection by disease causing

1.  vaccination
2.  immunity
3.  injection
4. sterilization
5. vaccination

(iii)      Which of the following characteristics of living things is the basic difference between plants and animals?

1.   Growth
2.  Movement 
3.   Nutrition
4.  Irritability
5.   coordination

(iv)    The best evidence that two populations belong to the same species is:

1.              they look alike
2.                they interbreed and produce infertile offspring
3.                they are made up of cells
4.               they live in the same habitat
5.                they interbreed and produce fertile offspring

(v)      Which of the following is the fundamental unit of life?

1.              Tissue 
2.                Kidney 
3.                Heart 
4.               Cell  
5.               Organ

(vi)      The concept of good health implies ...... ... heath.

1.               physical, mental and family
2.                physical, mental and emotional
3.                physical, family and sexual
4.               physical, mental and sexual
5.                reproductive, social and family

(vii)      Which of the following is a risk behaviour?

1.              Alcoholism
2.                Being patient
3.                Eating eggs daily
4.              Shaking hands with HIV infected individuals
5.               Sharing toilet facilities with HIV infected individuals

(viii)    Which of the following is used to control all activities in a plant cell?

1.               Cell wall    
2.                Cell vacuole
3.                Chloroplast  
4.               Cytoplasm  
5.                Nucleus

(ix)      All of the following are communicable diseases:

1.              cancer, gonorrhoea and syphilis
2.                cholera, gonorrhoea and syphilis
3.               cholera, kwashiorkor and marasmus
4.               cholera, marasmus and rickets
5.                goitre, meningitis and tuberculosis

(x)Which one of the following are examples of animal tissues?

1.              Muscle, blood and bone
2.               Brain, bone and liver
3.               Skin, heart and brain
4.              Muscle, liver and skin
5.               Bone, epidermis, brain

2. For each of the items (i) - (x), write True if a statement is correct or False if a statement is not correct in the spaces provided.

1.               Beriberi, gonorrhoea and syphilis are diseases caused by bacteria .......„ 
2.             Rickets is prevented by increasing the amount of vitamin D in a diet
3.           Scientists use beam balance to measure volume .........
4.           It is useless to keep a First Aid Kit at schools .........
5.             A microscope is an instrument used to observe small objects which cannot be seen by using our naked eyes .........
6.            Plant cells possess cellulose cell walls while animal cells do not .........
7.         All living things are made up of small units known as cells .........
8.      Biology is the study of non-living things .........
9.           A microscope is not a very important equipment in the biology laboratory . 
10.             Plant cell has irregular shape while animal cell has regular shape .........

3, Match the phrases in List A with responses in List B by writing the letter of the correct response below the corresponding item number in a table provided.

4. Complete each of the following statements by writing the correct answer in the spaces provided.

1.               An organism that cause typhoid....................................
2.             Waste which cannot decompose.....................
3.           Use to kill germs on wound.........................
4.           An organelle that is used in cell division......................
5.             A disease that affect large number of people within a short time..........................

SECTION B (50 Marks)

Answer all questions in this section.

5. What do you understand by the term "Personal hygiene"?

(b)      State four principles of personal hygiene. 

(c) State four principles of good manners:

6. Define the term "Biology" and "Biologist".

(b)Mention major branches of Biology.

(c Briefly explain how Biology is related to the following fields:

(i)Agriculture

(ii)Medicine

7. (i) What do you understand by the term "laboratory"? (ii) Outline four qualities of a good laboratory.

(b)Mention one function of each of the following apparati:

(i)Petri dish

(ii)Mortar and pestle

(iii)Hand lens

(iv)Thermometer

8. Define the following terms:

(i)Classification

(ii)Binomial nomenclature

(b) Give the importance of classification

9. (a) Mention four types of organs found in animal body.

(i)     ……………………………………………………………………

(ii)  ……………………………………………………………………

(iii) ……………………………………………………………………

(iv) ……………………………………………………………………

   (b) Briefly explain two differences between a plant cell wall and a cell membrane 

(i)     …………………………… ……………… ………………

(ii)  ……………… ……………… ………………… …………

SECTION C (20 Marks)

Answer one ( l) question from this section.

10. Explain the importance of studying Biology. Give six points.

11. Gonorrhea is a bacterial disease caused by Neisseria gonorrhea. Elaborate:(a) Its transmission

(b)Six symptoms

(c)Six preventive measures

(d)Its treatment

THE PRESIDENT'S OFFICE

MINISTRY OF REGIONAL GOVERNMENT AND LOCAL GOVERNMENT

AUGUST-SEPTEMBER EXAMINATION SERIES

BIOLOGY FORM-1

2020

2:30 HOURS

Instructions.

1. This paper consists of sections A, B and C with a total of eleven (11) questions.
2. Answer all questions in section A and B and one (1) question from section C
3. All writing must be in blue or black ink except drawing which must be in pencil.
4. Calculators, cellular phones and any unauthorized materials are not allowed in the examination room.
5. Write your Examination Number at the top right corner of every page.

SECTION A (30 Marks)

Answer all questions in this section.

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

(i) The branch of science which deals with the study of living things is known as

1. Biology
2. Ecology
3. Botany
4. Zoology

(ii) Which of the following structure controls the movement of materials in and out of the cell?

1. Nucleus
2. Chloroplast
3. Cell membrane
4. Vacuole

(iii) The following are solid wastes except

1. Paper
2. Urine
3. Plastics
4. Cans

(iv) Which of the following is a symptom of Tuberculosis?

1. Curved legs
2. Darrhoea
3. Prolonged cough
4. Skin rashes

(v) A room specifically designed for carrying out scientific experiments is known as

1. Classroom
2. Fume chamber
3. Library
4. Laboratory

(vi) The lowest rank of classification is called

1. Class
2. Kingdom
3. Species
4. Genus.

(vii) Which one of the following is recommended as a First Aid procedure for a victim who has been stung by bee?

1. Sitting quietly
2. Giving huge amount of water to the victim
3. Applying baking soda paste on the bee stung area.
4. Leaving the cotton on the stung area for few minutes.

(viii)Which of the following labels indicates a substance which catches fire easily? .....

1. Corrosive 
2.  Flammable 
3.  Harmful 
4.  Oxidant

(ix)A structure which encloses and protects the inner parts of a cell is called: ............ .

1. cell wall
2. chloroplast
3. cell membrane 
4.  nucleus

(x)A communicable disease which affects a large number of people in a short period of time at a given locality is referred as: ...............

1. Pandemic 
2.  endemic
3. sporadic
4. epidemic

2.For each of the items (i) - (x), write True if a statement is correct or False if a statement is not correct in the space provided.

(i) Botany is the study of animals ..................

(ii) People living with HIV/AIDS should be isolated from the community.........

(iii)A microscope is an instrument that is used to magnify large objects.......

(iv)Unicellular organisms are made up of one cell only ...............

(v)Poor waste disposal may cause accidents at home and school . . . . . . 

(vi) Landfill is a way of disposing domestic wastes ...............

(vii)Kingdom is the highest rank of classification.............................

(viii) All viruses are harmful.............................

(ix)Syphilis is a communicable disease ...............

(x)All bacteria are harmful to man ...............

2.

3(a).Complete each of the following statements by writing the correct answer in the answer sheet provided.

(i) A taxonomic rank of organisms which interbreed freely and give rise to viable offspring are known as .........................

(ii) The type of classification which is based on few observed features is called .....

(iii)The highest rank of classification is known as ..........................

(iv) The process of sorting living things into groups is called .

(v) The process of giving organisms scientific names is known as .................

SECTION B (50 Marks)

Answer all questions in this section

5. (a) Mention four types of organs found in animal body.

(i)……………………………………………………………………

(ii)……………………………………………………………………

(iii)……………………………………………………………………

(iv)……………………………………………………………………

(b) Briefly explain two differences between a plant cell wall and a cell membrane

(i)…………………………… ……………… ………………

(ii)……………… ……………… ………………… …………

6. (a) List six characteristics common to all living things.

(i)……………… ………… ……… ……………… …………………

(ii)……………… …………………… ……………… ………………

(iii)……………… ………………… …………………… ……………

(iv)……………… ……………… …………………… ………………

(v)…………… ………………… ……………………… ……………

(vi)…………… ………………… ……………………… ……………

(b) Name the instruments used to measure the following parameters:

(i)Temperature………… …………………… ……… ………..

(ii)Length…………… ……………… ……………… …………

(iii)Time…………… ………………… ………………… ……..

(iv)Mass…

7. (a) What do you understand by the term “water borne diseases” as used in Biology?

(b) Name any three water borne diseases.

(i)…………… ………………… ………………… …………

(ii)…………… ………………… ………………… …………

(iii)…………… ………………… ………………… …………

(c) What would happen if a health person drinks unboiled water contaminated with the following?

(i) Salmonella typii……………… ……………… …………… …

(ii) Entamoeba histolytica………… …………… …………………

8. (a) List five accidents which are common at school and home.

(i)………… ……………… ………………… …………………

(ii)………… ……………… ………………… ………………… 

(iii)………… ……………… ………………… ………………… 

(iv)………… ……………… ………………… ………………… 

(v)………… ……………… ………………… ………………… 

(b) Differentiate the term waste from waste disposal

(c) Why it is not healthy advised to give alcohol to a snake bite victim? Briefly explain.

9. (a) State the meaning of the following terms as used in Biology.

(i)A cell ..

(ii)System

(iii)Organ ............

(b) Draw a large diagram of an animal cell and label two parts.

SECTION C.

Answer only One Question

10. Explain the importance of studying Biology. Give six points.

11. Gonorrhea is a bacterial disease caused by Neisseria gonorrhea. Elaborate:(a) Its transmission

(b)Six symptoms

(c)Six preventive measures

(d)Its treatment