BIOLOGY REVISION KITS FORM 3 TERM 1 PAPER 1 MODEL26092022001![]()
BIOLOGY PAPER 1 FORM 4 TERM 2 REVISION QUESTION PAPER WITH MARKING SCHEME MODEL20220108T064525Z-00121/8/2022
K.C.S.E Biology Q & A - MODEL 2018PP1QN08
State three ways in which blood capillaries are structurally adapted to their functions.
a) Identify the type of asexual reproduction exhibited by yeast cells (1mk)
Budding;
b) List down the functions of the following parts; (3mks)i) Testis
ii) Fallopian tube
iii) Urethra
Passage of urine/sperms/semen;
State the importance of breathing through the nose than through the mouth. (2mks)
(a) A passenger was involved in a road accident. He couldn’t move his limbs and neck. Which part of the brain was affected? (1mk)
Cerebrum;
(b) (i)State two functions of cerebrospinal fluid. (2mks)
State how the following parts of the mammalian ear are adapted to their functions. (3mks)(i) Pinna
(ii) Eardrum
Its thin and flexible to enable transformation of sound waves into vibrations
(ii) Cochlea
Name two types of active immunity (2mks)
(a) Which process was being investigated? (1mk)
Anaerobic respiration
Rej: Respiration alone (b) Why was it necessary to boil the glucose solution? (1mk)
To expel all the dissolved oxygen;
(c) Write a word equation representing the chemical reaction taking place above in the boiling tube (1mk)(a) Identify the function of the part labeled Q (1mk)
Offers a large surface area for muscle attachment
(b) Name the bone that circulates with the bone above at the proximal end (1mk)
Humerus;
Rej: Humerous or other wrong spellings for humerus (c) List down two types of support tissue in plants (2mks)
​List three characteristics that distinguish arthropods from organisms in kingdom Monera1/11/2021 List three characteristics that distinguish arthropods from organisms in kingdom Monera (3mks)
State three ways how HIV and AIDS is transmitted in human population (3mks)
What are the effects of releasing excess nutrients into lake Naivasha by the nearby flowers farms?1/11/2021 What are the effects of releasing excess nutrients into lake Naivasha by the nearby flowers farms? (3mks)
a) State the function of Juvenile hormone in insect metamorphosis (1mk)
leads to the formation of larval utricle;
b) (i) Give a reason why most insects are serious crop pests at the larval stage (1mk)
Growth rate in rapid/fast/high and shed cuticle several times hence feed a lot to have (desired) energy;
(ii) What happens at growth phase in insects growth curve (1mk)
State two physiological mechanisms of controlling the human body temperatures during a hot day1/11/2021 (a) State two physiological mechanisms of controlling the human body temperatures during a hot day (2mks)
b) Name two ways in which loop of Henle is adapted to its function (2mks)
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