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Friday, 7 July 2017

biolog



MINISTRY OF EDUCATION SCIENCE TECHNOLOGY AND VOCATIONAL TRAINING
FORM III ANNUAL EXAMINATION
BIOLOGY
November 2016
Time 3:00 hrs
Instructions;
  1. This paper consists of sections A, B and C.
2.       Answer all questions in sections A and B and only one (1) question from section C.
3.       Cellular phones are not allowed in the examination room
4.        Write your name on every page of your answer sheets.
……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
SECTION A
Answer all questions from this section
1.               For each of the items (i)-(x) choose the correct answer among the given alternative and write its letter beside the item number.
               i.                  The breakdown of glycogen into glucose in the body is due to the action of
A.             Insulin
B.             Adrenaline
C.             Secretion
D.             Glucagons
E.              Gastric                                                                                                                [              ]
              ii.                  The function of sunlight energy in the human skin is to stimulate the synthesis of;
A.             Vitamin D
B.             Vitamin A
C.             Vitamin C
D.             Vitamin K            
E.              Vitamin B                                                                                                            [              ]
            iii.                  The stamen of flower consists of
A.             Stigma and ovary
B.             Anther and stamen
C.             Filament and ovary
D.             Anther and filament
E.              Ovary and anther                                                                                               [              ]
            iv.                  Which of the following joints allows movement in one plane only
A.             Ball and socket
B.             Gliding
C.             Hinge
D.             Immovable
E.              Gliding and immovable                                                                                       [              ]
              v.                  The concept of good health implies ______________ health
A.             Sexual, physical and mental
B.             Physical, mental and social
C.             Mental, physical and sexual
D.             Physical, mental and family
E.              Reproductive, social and family                                                                       [              ]
            vi.                  When examining a cell from an unidentified organ of a mouse under an electronic microscope, a student found an organelle with in folding in the inner membrane. Which organelle is it?
A.             Golgi body
B.             Endoplasmic reticulum
C.             Ribosome
D.             Mitochondria
E.              Nucleus                                                                                                               [              ]
           vii.                  The function of cones of the human eye is to
A.             Sense light
B.             Sense color
C.             Cover the eye
D.             Reflect light
E.              Protect the eye                                                                                                  [              ]
         viii.                  The by products in photosynthesis process are
A.             Carbohydrate and water
B.             Carbon dioxide and oxygen
C.             Oxygen and water
D.             Carbohydrate and carbon dioxide
E.              Oxygen and air                                                                                                   [              ]

             ix.                  Fertilization process is defined as
A.             Formation of new cells
B.             Union of new cells
C.             Implantation of a zygote
D.             Fusion of egg in the uterus
E.              Cell division in the oviduct                                                                                [              ]
              x.                  Bowman’s capsule in the kidney functions as a
A.             Filter
B.             Sanction pump
C.             Transmitter
D.             Sponge
E.              Absorber                                                                                                            [              ]
2.             Match the response in list B with the phrases in list A by writing the letter of the correct response from list B beside the item number of list A in your answer sheets.
LIST A
LIST B
      i.      Transmit impulse away from the spinal cord
    ii.      A gap through which impulses pass when traveling from one neurone to another
   iii.      Plant living under permanently low water condition
   iv.      Ability of an organism to resist infection
    v.      Utilization of digested food
   vi.      A space between teeth of herbivores
 vii.      Organism whose body temperature vary according to the surroundings
viii.      Care of pregnant women before delivery
   ix.      Outer zone of kidney
     x.      Panting in dog
A.       xerophytes
B.       mesophytes
C.       absorption
D.       assimilation
E.        poikilothermic
F.        diastema
G.       homoeothermic
H.       jarce
I.         synapse
J.        impulse
K.        immunity
L.        motor neurone
M.       resistance
N.       relay neurone
O.       prenatal care
P.       postanal care
Q.       cooling effect in hot condition
R.       medulla
S.       cortex
T.        liver
U.       heating effect in cold weather
SECTION B
Answer all questions under this section
3.             (a)   Complete the table below by writing the location of the given joint in the body.
JOINT
LOCATION IN THE BODY
Hinge

Ball and socket

Pivot

Gliding

(b)   Name the structure used for moment in
                                       i.            Amoeba
                                      ii.            Fish
                                    iii.            Mammals
                                    iv.            Earthworm
(c)   State two (2) difference between nervous communication and endocrine communication
4.              (a)  Name the two types of classification system of organism and write down the merits and demerits of each system. (Give two merits and two demerits of each)
(b)   Why is it necessary to classify organism? Give two points
5.             (a)   (i)    Define immunity
    (ii)   Distinguish between natural acquired immunity and artificially acquired immunity.
(b)     Name four diseases against which children are immunized
(c)     List down three characteristics of viruses
6.             (a) state three action which take place in human body in response to each of the following condition
                           i.            When the temperature of the surrounding is low
                          ii.            When the body temperature raises due to the increase in surrounding temperature
(b) Differentiate between the following terms
                           i.            Breathing and respiration
                          ii.            Inhalation and exhalation
7.              (a)   (i)     define fertilization
(ii)     where does fertilization occur in mammals
(iii)    Name two (2) accessory glands of the male reproductive organ
(b)    (i)        Draw a male gamete
(ii)           State ways in which male gametes is adapted to the movement towards the ovum (give two points)
8.             (a) define the following terms used in biology
                           i.                  Meiosis
                          ii.                  Laboratory
                        iii.                  First aid
                        iv.                  First aid kit
(b) Give reason why it is healthier to breathe through the nose than through the mouth. (Give three points)
(c) Identify structures found in plant cell only (give four structures)
9.             (a) Define the following terms
                           i.                  Excretion
                          ii.                  Homoeostasis
                        iii.                  Secretion
(b) Draw a well-labeled diagram of the human urinary system.
10.            (a)       (i)     define the term pollination
       (ii)    Give two types of pollination
                       (iii)   Mention agents of pollination
SECTION C
Answer only one (1) question from this section
11.              Citing an example in each case, write an essay on the ways in which insects are both beneficiaries and harmful to humans.
12.            Explain any four effects of irresponsible sexual behavior and suggest five ways of eradicating those behaviors in the community.
13.            write an essay on cholera using the following guidelines;
a.              causes
b.              symptoms
c.              transmission
d.              effects
e.              prevention

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