K.C.S.E Biology Q & A - MODEL 2003PP1QN07
The diagram below represents regions of a root tip.
a) Name the tow regions above X in ascending order
b) State the function of the part labeled X
answers
a) Zone of cell division Acc cell multiplication
Zone of cell elongation / enlargement; Acc expansion for elongation b) To protect root tip
K.C.S.E Biology Q & A - MODEL 2003PP1QN06.
Distinguish between analogous and homologous structures.
answers
​Analogous structures – structures which (appear similar and ) perform similar functions but have different origins.
Homologous structures – structures which have a common origin but (have evolved to ) perform different functions. K.C.S.E Biology Q & A - MODEL 2003PP1QN05
A bone obtained from a mammal is represented by the diagram below.
​a) Name the bone.
b) Which bones articulate with the bone shown in the diagram at the notch?
answers
a) Ulna
b) radius; Humerus;
K.C.S.E Biology Q & A - MODEL 2003PP1QN04
What is the role of the bacteria named in (a) above?
answers
K.C.S.E Biology Q & A - MODEL 2003PP1QN04
Name the bacteria found in root nodules of leguminous plants.
answers
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?
answers
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
answers
a) Anaerobic respiration / fermentation; Acc. Alcohol production/ drawing dough.
b) Brewing/ Banking. |
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