JAMB and WAEC Agricultural Science questions

597 questions with answers and explanations. Tap an option to check yourself.

All topics Agricultural economics and extension · 41 Animal pests and diseases · 38 Animal reproduction and nutrition · 38 Classification and anatomy of farm animals · 37 Crop classification and propagation · 36 Crop pests and diseases · 39 Farm tools and mechanisation · 35 Fisheries and aquaculture · 35 Forestry · 33 Husbandry of field crops · 41 Irrigation and drainage · 36 Livestock management · 37 Meaning and importance of agriculture · 36 Soil fertility, manures and fertilisers · 43 Soil formation and properties · 39 Weeds and weed control · 33

Question 401· Irrigation and drainage· JAMB
Water lost from the soil surface and from plants together is
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Answer: B. evapotranspiration
Explanation and discussion
Question 402· Irrigation and drainage· WAEC
Which irrigation method wastes the least water?
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Answer: B. drip irrigation
Explanation and discussion
Question 403· Irrigation and drainage· WAEC
Overhead sprinkler irrigation is suitable for
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Answer: C. vegetables and lawns
Explanation and discussion
Question 404· Irrigation and drainage· WAEC
A rain gauge is used on the farm to
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Answer: C. measure rainfall
Explanation and discussion
Question 405· Irrigation and drainage· JAMB
Which of these is a source of water for irrigation?
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Answer: D. A dam
Explanation and discussion
Question 406· Irrigation and drainage· JAMB
Draining a waterlogged soil mainly improves
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Answer: B. soil aeration
Explanation and discussion
Question 407· Irrigation and drainage· WAEC
Drainage of farmland is necessary to
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Answer: A. remove excess water and improve soil aeration
Explanation and discussion
Question 408· Irrigation and drainage· JAMB
A danger of poorly managed irrigation in dry areas is
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Answer: C. salinisation of the soil
Explanation and discussion
Question 409· Irrigation and drainage· JAMB
Salinisation of irrigated land is caused by
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Answer: C. accumulation of salts from evaporating irrigation water
Explanation and discussion
Question 410· Livestock management· JAMB
Rotational grazing helps to
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Answer: D. allow pastures to recover and reduce parasites
Explanation and discussion
Question 411· Livestock management· WAEC
Litter in a poultry house should be changed when
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Answer: A. it becomes wet and caked
Explanation and discussion
Question 412· Livestock management· JAMB
The system in which animals roam freely in search of their own food is the
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Answer: C. extensive system
Explanation and discussion
Question 413· Livestock management· WAEC
Steaming up is the practice of
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Answer: D. giving extra feed to a pregnant animal near the end of pregnancy
Explanation and discussion
Question 414· Livestock management· WAEC
A deep litter system is used in keeping
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Answer: C. poultry
Explanation and discussion
Question 415· Livestock management· JAMB
Dipping cattle is done to control
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Answer: D. ticks and other ectoparasites
Explanation and discussion
Question 416· Livestock management· WAEC
A brooder is used to
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Answer: B. keep day-old chicks warm
Explanation and discussion
Question 417· Livestock management· JAMB
Debeaking is carried out in poultry to prevent
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Answer: A. cannibalism and feather pecking
Explanation and discussion
Question 418· Livestock management· JAMB
The battery cage system for layers
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Answer: C. keeps birds in individual cages
Explanation and discussion
Question 419· Livestock management· JAMB
The battery cage system is used mainly for
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Answer: B. laying hens
Explanation and discussion
Question 420· Livestock management· WAEC
Rabbits are housed in a
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Answer: D. hutch
Explanation and discussion

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JAMB and WAEC Agricultural Science questions

Water lost from the soil surface and from plants together is

Which irrigation method wastes the least water?

Overhead sprinkler irrigation is suitable for

A rain gauge is used on the farm to

Which of these is a source of water for irrigation?

Draining a waterlogged soil mainly improves

Drainage of farmland is necessary to

A danger of poorly managed irrigation in dry areas is

Salinisation of irrigated land is caused by

Rotational grazing helps to

Litter in a poultry house should be changed when

The system in which animals roam freely in search of their own food is the

Steaming up is the practice of

A deep litter system is used in keeping

Dipping cattle is done to control

A brooder is used to

Debeaking is carried out in poultry to prevent

The battery cage system for layers

The battery cage system is used mainly for

Rabbits are housed in a