WAEC SSCE - Agricultural Science - 2023 (Objective)

Monocotyledonous crops are characterized by

A combine harvester is mainly used for harvesting

Which of the following crops require a nursery?

The bacterium which is responsible for conversion of ammonium compounds to nitrites in the nitrogen cycle is

Which of the following pairs of livestock diseases could be contracted through inhalation?

The farming system generally recommended for farm settlement scheme is

The diagrams below illustrate different sources of farm power. Study them and answer the question.
Which of the illustrated sources of farm power is the cheapest

A beneficial effect of bush burning is that it

The diagram above illustrates a method of compost making. Study it and answer the question.

The method of compost milking illustrated in the diagram is

Which of the following tools are used in soil analysis?
I. pH meter
II. Sieve
III. Hygrometer

The diagram above illustrates a farm operation. Study it and answer the question
The illustrated farm operation is known as

Seedlings are best transplanted in the field

The diagram above illustrates a farm operation. Study it and answer the question
Examples of crops which require the illustrated farm operation are

Which of the following combinations of NPK fertilizer is recommended for the cultivation of yam and cassava?

The diagram below illustrates a reproductive process in a farm animal. Study it and answer the question.
The foetus obtains dissolved oxygen and nutrients from the dam through the parts labelled

Which of the following statements about underground drainage is true

Which of the following products is not a primary forest product?

A major reason for encouraging afforestation in arid regions of West Africa is to

The storage structure usually installed by the government for bulk storage of grains in West Africa is

Soil structure is described as the

The diagram above illustrates a reproductive process in a farm animal. Study it and answer the question.
The reproductive process illustrated by the diagram is

Study the table below and use it to answer the question

The total depreciation represented by Z in the illustrated table is

In order to backup extension messages, an extension agent should

High relative humidity in a brooder house could lead to

In a poultry farm, 2,000 birds were laying an average of 1,680 eggs per day. Use this information to answer the questionIf an egg tray contains 30 eggs, how many trays of eggs will be collected in one week?

Ornamental plants are primarily cultivated to

The reduction of three seedlings of maize to two plants per stand is referred to as

The diagram above illustrates a reproductive process in a farm animal. Study it and answer the question.
The parts which protect the foetus from mechanical injury are labelled

Study the table below and use it to answer the question

The useful life represented by Y in the illustrated table is

A pest of honeybee is

Post-planting operations in cocoa plantation include
I. rogueing
II. stumping
III. mulching

In a poultry farm, 2,000 birds were laying an average of 1,680 eggs per day. Use this information to answer the question

What is the percentage of birds that did not lay eggs?

The diagrams below illustrate different sources of farm power. Study them and answer the question.
The machinery illustrated in diagram III could be used to power
I. planters
II. dryers
III. sprayers

The risk of production in agricultural business is borne by the

Cotton stainer is an insect pest of

The number of teats in the udder of a cow is

The diagrams below illustrate different sources of farm power. Study them and answer the question.
Which of the illustrated sources of farm power decrease in efficiency due to constant use?

The diagram above illustrates a method of compost making. Study it and answer the question.

The part labelled I is used for

Day-neutral crops are crops that produce flowers regardless of

Maceration is carried out in the processing of

If 200 ml of water was poured on a soil sample in a beaker and 25% of the water drained through the soil, determine the amount of water retained in the soil.

The diagram above illustrates a method of compost making. Study it and answer the question.

A material that could be used as starter in the method of compost making illustrated is

Examples of cover crops are

Seedlings are best transplanted in the field

Rural-urban migration of farm labour could be prevented by

Assuming a sow was serviced on May 1 and conceived the same day, the expected date of parturition is

Which of the following paring enterprise could best be combined with fish farming for mutual benefits?
I. Vegetable production
II. Beekeeping
III. Poultry production

If the seed rate for the cultivation of cowpea is 25 kg per hectare, determine the quantity of cowpea seeds required to cultivate a farmland measuring 100 m by 500 m.

The part of a disc plough to which discs are connected is

Grading of farm produce is important because it