The 100% Correct 2014 Waec Gce Biology
Essay & Obj Answers
Biology Objective Answers
Verified BIOLOGY OBJ:
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11-20: DDCCBAADCB
21-30: BADAACCABB
31-40: CDBDBCBDDC
41-50: ADACAACABB
Biology Essay Answers
(2a)
this is because glucose helps to renew the
energy expended by athletes and very good
source of energy.
(2b)
(i)a brick- red precipitate is observed.
(ii) this is because urine contains simple
sugar.
(iii) diabetes
(2c)
-it helps in growth
-it is one of the major source of energy
-it helps to build skeleton
-it helps to repair worn-out tissue
-it aids reproduciton
(2di)
Vitamin A(retinol)
(2dii)egss,fish,milk
(2e)
-it helps in manufacturing body
temperature
-it provides more energy
-it supplies essential fatty acid to human
body
(2f)
-insulin
-glycogen
(3a)
The three reasons are.
1. Birds have Structural adaptation
2. Birds have powerful eagles
3. They have sharp,strong and curved
claws for adaptation
(3b)
1. it provides food for human consumption
2. it generates revenue for government
3. it can serve as tourist centres for
pleasure and relaxation
4. it provides research work for scientists
5. it can generate employment for some
people
(3c)
1. it helps to control diseases
2. it helps to control erosion
3. it helps to control growth of weeds
(3d)
1. it is never used-up
2. it does not cause environmental damages
3. it is clean
4. it is readily available
5. it is affordable
(6a)
Hydra
symmetry: radial symmetry
Bodylayer: Two layers
Body carily: jelly-like
Flatworm
symmetry: bilaterally symmetry
Body layer: Three layers
Body Cavity: No body cavity
(6c)
(i.) Anaemia is caused by deficiency of
copper and iron in the body.
Symptons:
1. deficiency in iron
2. improper respiration
(ii.) Goitre is caused by lack of iodine in
the body
Symptoms:
1. swelling jaw
2. Lack of thyroxine
(6di)
A biomes comprises of tropical
rainforest,saranna,desert,shrub and swamp
of the world
(6dii)
1. tropical rainforest
2. Afro-alphine
3. Swamp
4. Shrub
5. Desert
(6e)
1. evaporation from oceans and land
2. transpiration from plants
3. Breathing or respiration by plant
4. Rainfall or precipitation
5. Infitration and peracolation
(6g)Genetic variation is useful to plants for
the following reason
-in knowing the gene variation
-for cross breeding
(6h)
convergent evolution is defined as the sum
total of adaptive changes from pre-exisitng
orold form that have taken place over a
long time, resulting in diversity
(6hii)
-evidence form comparative anatomy
-vestigal