2020 WAEC AGRICULTURAL PRACTICAL 3 Questions and Answers Solutions

100% VERIFIED AGRIC PRACTICAL ANSWERS

(1a)
Specimens A
(i) It is used to shape soil
(ii) It is used to harvest root crops

Specimens B
(i)It is used as tools for landscaping
(ii)It is used for breaking up hard surfaces

(i)Circus fruits
(ii)Apple
(iii)Pear
(iv)Plum

(1c)
(i)Elsetractor
(ii)Hemostat forceps
(iii)Artery forceps

(1d)
(i)Sharpen tool before and after use.
(ii)Oil or grease metal parts.
(ii)Dry tools after use
(iv)Keep them in cool dry place
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2a)
It is to test soil texture

(2b)
(i)Hydrogen peroxide
(ii)Measuring cylinder
(iii)Soil sample (sand, loam soil)

(2c)
(i)A few sample of the soil is placed in measuring cylinder.
(ii)Some amount of water containing hydrogen peroxide to it.
(iii)The moisture is saking vigorously by stirring rod and allow to settle for some hours.

(2d)
(i)It contain humus
(ii)It contain grains particles (sand)
(iii)It contains powered particles

(2e) DIAGRAM

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(3a)
cyanide (HCN)

(3b)
(i)By boiling
(ii)By fermentation
(iii)By sun dry
(iv)By steaming

(3b)
-Specimen I-
(i)It is consumed as food
(ii)It is used for medical purpose as an antioxidant and equally has antiinflammatory properties

-specimen J
(i)It is used as antioxidant
(ii)It is used in treatment of convulsion

(3c)
(i)Beatle
(ii)eel worm
(iii)Grasshopper – thrips
(iv)Cricket – maggot

(3d)
(i)Spices
(ii)Vegetables
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(4a)
(i)They do not feed on each other
(ii)They have the same growth
(iii)They feed on similar foods and have the same living habitat

(4b)
(i)Cast net
(ii)Gill net
(iii)Hook and line
(iv)Fish trap

(4c)
(i)Cheese
(ii)Ice-cream
(iii)Yogurt
(iv)Butter

(4d)
(i)It seal pores
(ii)It present water loss
(iii)It encourage the growth f plantation
(iv)It reduce acidify of pond

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