Mastering KCSE Biology with Comprehensive Topical Questions and Answers
K.C.S.E Biology Q & A - MODEL 2003PP1QN04
What is the role of the bacteria named in (a) above?
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K.C.S.E Biology Q & A - MODEL 2003PP1QN04
Name the bacteria found in root nodules of leguminous plants.
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K.C.S.E Biology Q & A - MODEL 2003PP1QN03
How do the male gamete nuclei reach the ovule after pollen grains land on the stigma?
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K.C.S.E Biology Q & A - MODEL 2003PP1QN02
Name the phylum whose members possess notochord
answer
K.C.S.E Biology Q & A - MODEL 2003PP1QN01
A process that occurs in plants is represented by the equation below.
C6H12O6 2C2H5OH + 2CO2 + Energy (Glucose) (Ethanol) (Carbon dioxide) a) Name the process. b) State the economic importance of the process named in (a) above
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a) Anaerobic respiration / fermentation; Acc. Alcohol production/ drawing dough.
b) Brewing/ Banking. K.C.S.E Biology Q & A - MODEL 2002PP1QN12
The chart below represents a simplified carbon cycle.
​(a)Name the process labeled A, B, and C
A B C b) Name the organisms X and Y X Y c) State the importance of carbon cycle in nature
answers
​ a) A A photosynthesis
B Decomposition / decay C Respiration b) X Bacterial Y Fungi c) Regulate the CO2 in the atmosphere. K.C.S.E Biology Q & A - MODEL 2002PP1QN11
Give an example of a sex – linked trait in humans on:
Y CHROMOSOME. X CHROMOSOME.
answers
​Y CHROMOSOME
Tuft and hair sprouting from pinna / baldness; hairy pinna; X CHROMOSOME Colour blindness / haemophilia.
K.C.S.E Biology Q & A - MODEL 2002PP1QN10
What happens to excess fatty acids and glycerol in the body?
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K.C.S.E Biology Q & A - MODEL 2002PP1QN09
Name two gaseous exchange structures in higher plants.
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K.C.S.E Biology Q & A - MODEL 2002PP1QN08
Which type of joint is found at the articulations of
a) Pelvic girdle and femur b) Humerus and ulna
answers
a) Ball and socket
b) Hinge Explain why the carrying of wild animals is higher than that for cattle in a given piece of land.17/6/2020
K.C.S.E Biology Q & A - MODEL 2002PP1QN07​
Explain why the carrying of wild animals is higher than that for cattle in a given piece of land.
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K.C.S.E Biology Q & A - MODEL 2002PP1QN06
In what form is oxygen transported from the lungs to the tissues?
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K.C.S.E Biology Q & A - MODEL 2002PP1QN05
State two characters that researchers select in breeding programme.
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K.C.S.E Biology Q & A - MODEL 2002PP1QN04
During germination and early growth, the day weight of the endosperm decreases while that of the embryo increases. Explain.
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K.C.S.E Biology Q & A - MODEL 2002PP1QN03
Give one example of a metallic co – factor
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K.C.S.E Biology Q & A - MODEL 2002PP1QN03
State the function for co-factors in cell metabolism
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K.C.S.E Biology Q & A - MODEL 2002PP1QN02b
Name the bacteria found in the root nodules of leguminous plant
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K.C.S.E Biology Q & A - MODEL 2002PP1QN02a
Name the bacteria found in the root nodules of leguminous plant
answers
K.C.S.E Biology Q & A - MODEL 2002PP1QN01
Beside the abdomen, name the other body part of members of Arachnida,
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K.C.S.E Biology Q & A - MODEL 2001PP1QN10
Name three sites where gaseous exchange takes place in terrestrial plants.
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K.C.S.E Biology Q & A - MODEL 2001PP1QN09
Name three types of chromosomal mutations
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K.C.S.E Biology Q & A - MODEL 2001PP1QN08b
Name the blood vessel that transports blood from:
(i) Small intestines to the liver (ii) Lungs to the heart
ANSWERS
(i) Hepatic portal vein
(ii) Pulmonary vein
K.C.S.E Biology Q & A - MODEL 2001PP1QN08a
The type of circulatory system found in members of the class insecta is
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K.C.S.E Biology Q & A - MODEL 2001PP1QN07
Name the organelle in which protein synthesis takes place
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K.C.S.E Biology Q & A - MODEL 2001PP1QN06
Adult elephants flap their ears twice as much as their calves in order to cool their bodies when it is hot. Explain.
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