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WAEC Agric Practical 2021 Questions and Answers

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WAEC Agric Science Questions 2021

The questions are right now loading. The question paper for Agric Science will not be posted here for some technical reasons.

WAEC Agric Science Practical 2021 Answers

This are sample questions and answers from the previous Agric Science Practical WAEC examination.

The main answers for 2021 will be loaded in this page 2 hours to the exam

1. (a) What class of manure does each of specimen A and B belong to.
(b) List three characteristics of each of specimens A and B.
(c) List two precautions to be observed when applying each of specimens A and
(c) List two precautions to be observed when applying each of specimens A and B.
(d) (i)State which of the specimens is recommended to improve clay soil.
(ii) Give two reasons for your answer.

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ANS: (a) Natural and Artificial.
(b) Characteristics of Specimen A (Poultry droppings)
– It is bulky
– Rich in micro-organisms
– Contains many plant nutrients/ improves soil fertility the nutrients concentration are fairly low
– Capable of binding soil particles together /improves soil structure has a bad smell
– Improves soil temperature
– Nutrients not easily leached/lasts longer in the soil Reduces soil erosion by improving soil structure Variable nutrient concentration

Specimen B (N-P-K 15 -15-15)
– Granular in structure Has pungent smell
– Contains only few mineral nutrients
– Not bulky in nature
– Does not reduce soil erosion Nutrients are readily available hydroscopic.


WAEC Agric Science Questions 2021

The questions are right now loading. The question paper for Agric Science will not be posted here for some technical reasons.

WAEC Agric Science Practical 2021 Answers

This are sample questions and answers from the previous Agric Science Practical WAEC examination.

The main answers for 2021 will be loaded in this page 2 hours to the exam me.

1. (a) What class of manure does each of specimen A and B belong to.
(b) List three characteristics of each of specimens A and B.
(c) List two precautions to be observed when applying each of specimens A and
(c) List two precautions to be observed when applying each of specimens A and B.
(d) (i)State which of the specimens is recommended to improve clay soil.
(ii) Give two reasons for your answer.

ANS: (a) Natural and Artificial.
(b) Characteristics of Specimen A (Poultry droppings)
– It is bulky
– Rich in micro-organisms
– Contains many plant nutrients/ improves soil fertility the nutrients concentration are fairly low
– Capable of binding soil particles together /improves soil structure has a bad smell
– Improves soil temperature
– Nutrients not easily leached/lasts longer in the soil Reduces soil erosion by improving soil structure Variable nutrient concentration

Specimen B (N-P-K 15 -15-15)
– Granular in structure Has pungent smell
– Contains only few mineral nutrients
– Not bulky in nature
– Does not reduce soil erosion Nutrients are readily available hygroscopic.

Precautions to take when applying
Specimen A (Poultry droppings)
– Should not be applied when fresh to crops on the field Must not be allowed to touch the plants
– Should cure properly before application/fully decomposed before applying – Wash hands immediately after application
– Wear protective clothing
– Should be applied when soil is wet
Specimen B (N-P-K 15 -15-15)
– Do not allow direct contact with the plant Do not apply when the soil is very dry
– When applying manually always wear gloves Wash hands immediately after application Do not apply to alkaline soils
– Do not eat, drink or smoke when applying the fertilizers Do soil test to know deficient nutrient before applying.

WAEC Agric Practical 2021 Questions And Answers

2. (a) Identify specimens D,E and F.
(b) Classify specimens D,E and F according to their mode of formation.
(c) State three characteristics each of specimens D and E.
(d) State three ways in which specimen E is economically important.

ANS: (a) D(Pebbles or sandstone), E(Granite) and F(Marble).
(b) Specimens D – Sedimentary rock
E – Igneous rock
F – Metamorphic rock
(c) Characteristics; Specimen D (Pebbles /Sandstone)

– Occurs in layers or strata

– May be coarse, fine, soft or hard

– May contain fossils/plant and animal remains

– Not resistant to erosion

– May be porous.
Specimen E (Granite)

– Crystalline in nature/contain crystals

– It is massive – Very hard – Impermeable to water

– Highly resistant to erosion and weather element.

– Does not contain fossils.

3. (a) Identify specimens C
(b) State two uses of specimens C
(c) Give two maintenance practices for specimens C
(d) Name two other farm tools that can perform the function of specimen C.

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