BIOLOGY F1 ANNUAL 2020

 

THE UNITED REPUBLIC OF TANZANIA

PRESDENT’S  OFFICE

REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

ANNUAL EXAMINATIONS NOVEMBER 2202

BIOLOGY FORM ONE

 

TIME:2¹/₂HRS             NAME………………………………………………STREAM……………

 

INSTRUCTIONS

• This paper consists of three sections A, B and C.
• Answer ALL questions from sections A and B and ONE question from section C.
• All writing must be in blue/black ink.  Diagrams must be drawn in pencil and labeled in ink.

 

SECTION A (30 MARKS)

1.  Select the correct answer in each item and write its letter besides its corresponding item number.

(i)  In Biology, experiments are used to test:

     a)  facts                b) hypothesis           c) laws               d) problems

 

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

     a)  alcoholism                                       b) being patient               c) eating eggs daily  

     d) sharing toilets facilities with HIV infected individuals.

 

(iii)  The concept of good health implies……health

      a) mental, physical and family            b) physical, mental and emotion

      c) physical, mental and sexual            d) reproductive, social and family

 

(iv)  The three parts responsible for the basic structure and function of any cell are:

      a) nucleus, cell membrane and cytoplasm                b) nucleus, nucleolus and cytoplasm

      c) nucleus, cell membrane and cell wall                   d) cell vacuole, chloroplast and mitochondria

 

(v) An unexpected event resulting from carelessness, unawareness and ignorance is

      a) accident                 b) bad luck              c) electric shock           d) poisoning

 

(vi) The study of plants only is known as;

      

      a) zoology              b) botanist           c) botany       d) biology

 

(vii)  Spitting coughing and sneezing into a tissue paper are considered as

      a) waste disposal methods                b) risk behaviors of spreading disease

      c) good manners                               d) a way of killing pathogens in the tissue

 

(viii)  Which of the following statements is true about eukaryotic cells?

      a) they lack important organelles like smooth endoplasmic reticulum

      b) they are found in plants only

      c) nuclear materials are enclosed within a membrane

      d) contain only little water

 

(ix)  The best way of preventing viral infection is

      a) through biological control     b) killing all viruses    c) vaccination      d) by medical treatment

 

(x) An example of an epidemic diseases

      a) cholera              b) AIDS              c) cancer             d) malaria

 

2. Write TRUE if the statement is correct and FALSE if the statement is not correct

(i)  Poor waste disposal may lead to eruption of epidemic diseases_____________

(ii)  Good manner involve talking while eating ___________

(iii)  Some laboratory accidents can be avoided by reading warning signs on the chemical containers________

(iv)  Rape is a type of sexual harassment _____________

(v)  Sewage treatment is one of the economic importance of bacteria _________
(vi)  The hand lens is used to make objects look smaller than normal size __________

(vii)  Cholera is an air-borne disease ___________

(viii)  Animal cells have large and visible nucleus __________

(ix)   People living with HIV/AIDS should not be discriminated ___________

(x)  Hepatitis affect liver function _____________

3.  Match the phrase or term in list A with that in list B by writing its letter against the number of item in list

     B.

LIST A	LIST B
i) Locomotory structures of paramecium ……………	A. Artificial classification
ii) It shows the true relationship of organism ……………	B. Flagellum
iii) Individuals in this category can interbreed and produce       fertile offspring ……………	C. Binomial system
iv) A series of investigations intended to discover certain facts      ………………..	D. Experiments
v) Is a pandemic disease ………………	E. Cholera
vi) Carlos Linnacus ……………………	F. Malaria
vii) Fellis domestica  ………………	G. Domestic cat
viii) Non-infectious disease ……………	H. Nomenclature
ix) Water-born disease ………………..	I. Tiger
x) Risk behaviour …………………	J. Cilia
	K. Species
	L. Natural classification
	M. Cancer
	N. Typhoid
	O. Being faithfully
	P. Doing sex without condom

 

SECTION B

4.(a) Draw a well labbled diagram  of animal cell and show all important features

    (b)what are the  importance of nucleus of the cell.

 

5a) What is classification?

  b) Write four differences between the two systems of classification

 

6.  Define the following terms

     (a)Immunity

     b)  waste

     c) Disease

     d) Infection

     e) Nomenclature

 

7a)  What is first Aid?

  b) Write four importance of first Aid.

 

8a) Mention three common agents of diseases

  b) list six factors  affecting  body immunity

      

9a) Give three types of waste with examples

(b)Mention three basic principles of waste disposal

   (c)explain three  effect  of poor waste disposal

 

10(a) what is laboratory

    (b) mention four features of a good biology laboratory

    (c)write three laboratory rules

SECTION C

Choose one question from this section each carries a total marks of 20%

11. Write an essay on STIs/STDs using the following guidelines.

       i)  Meaning of STIs and STDs

       ii)  Common  symptoms STDs.

       iii)  Mode of transmission STDs.

       iv)  Effects of STDs.

       v)  Preventive measures and cure of STDs /STIs.

 

12.  Write an essay on Typhoid using the following guidelines

         i)  Causative agent

         ii)  Symptoms

         iii)  Mode of transmission

         iv)  Methods of prevention and control