Biology Practical 2017 WAEC Answers

2 ai )
i ) Carrot is good source of vitamin .
ii ) It is a source of diet that improve vision
iii ) it is used in production of juice

2 aii )
i ) It is a good source of carbohydrates
ii ) It supplies Energy
iii ) It serve as primary producer for heterotrophs

WAEC

(4ai)
Annelida

(4aii)
(i)Body is elongated and vermiform.
(ii)It has segmented body

(4aiii)
Underground

(4bi)
(i)Their streamlined shape allows them to burrow through soil.
(ii)They have no skeletons or other rigid structures to interfere with their movement.

(4bii)
(i) they improve the fertility of soil in different ways.and therefore they are important in agriculture
(ii) they also reduced the the alkalinity and acidity of the soil to provide better conditions for plant growth.
(iii) they are used for bait and food as bait they used it in catching fish.

(4c)
[Drawing]