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2019 waec Biology Practical questions and answers available here

 

send mtn 400# to 07068419393 to get de password to view all de answers online now.

 

(1a)
The branch of biology that involves the use of specimen A, B, C, D, E and F is ecology.

(1b)
A – It is used for measuring temperature or determining the degree of hotness or coldness of an object/organ/organism
B – For measuring the amount/volume of rainfall in an ecosystem
C -To measure the length, height and width of an object/organsim
D – For collecting insects/creeping/crawling animal.
E – For finding wind direction.
F – To estimate the population of plants in an ecosystem.

(1c)
B – The specimen is stationed above ground on an open space. After rainfall, the volume of water found in the glass bottle is measured with a cylinder as the volume of rainfall.

D – The net is skimmed on the water surface so as to collect the desired specimen.

(1d)
DARWING

(1e)
Specimen D
(i) Small aquatic organisms eg Amoeba
(ii) Small insects eg mosquito.

Specimen F
(i) Plants specie in a grassland eg spear grass.
(ii) Animal specie in a grassland eg grasshopper.

name

send mtn 400# to 07068419393 to get de password to view all de answers online now.

 

Categories: 2019 waec

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