WAEC SSCE - Agricultural Science - 2019 (Objective)

A disadvantage of farm mechanization?

Biological control of insect-pests of crops is carried out through?

Which of the following mineral elements is essential for chlorophyll formation?

Which of the following statement about land is not correct?

Which of the following problems are associated with agricultural marketing in West Africa? I.seasonality of produce II.Transportation of produce III.Access to credit 

Study and answer this question below

A periodic maintenance activity carried out on the illustrated farm machinery is?

Protective functions of forests include the following except

Corns, rhizomes and tubers are examples of?

An advantage of communal land tenure system is that it?

Study the graph illustrated above and answer this question correctly 

The graph best_____________

In animal production, immature spermatozoa are stored in the?

Which of the following statements is not a reason for budding? The resulting plants_______

The vector of leaf curl disease of cotton is?

Which of the following parasites may be found in the gut of livestock?

What is the change in quantity of rice demand when the price increases from N1.00 to N5.00?

If maize seed is sown at a spacing of 100cm x 50cm, determine the expected maize plant population per hectare? 

Which of the  following statement about inbreeding in farm animal is/are false? I.Inbred animals reach market weight early II.Inbred animals have reduced vigour III.Inbreeding increases the occurrences of undesirable traits

Determine the equilibrium price of rice.

Vegetative growth in fish ponds?

A major storage pest of cereals in West Africa is?

Sexual propagation of omamental plants involves the use of?

During the production of palm oil, the oil palm fruits are boiled in order to?

A fresh garden soil sample weighed 25kg. When oven-dried, its weight reduced to 20kg. Calculate the percentage moisture content of the soil sample.

A major characteristic of mass teaching method of agricultural extension is that?

In green manuring, crops are ploughed into the soil just before flowering in order to?

A socio-cultural factor affecting land availability is?

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The soil horizon that is not supportive of the growth of tree crops is?

The wallow should be provided in the pen of pigs in order to?

In a crop rotation system, it is usually preferred that cassava comes last in the rotation because it?

Which of the following implements is used for primary tillage?

The growing of only one crop on a piece of land from year to year is known as?

Which of the following factors of agricultural production is abundant in rural areas?

The practice of measuring and mapping out the size, position and boundary of a farmland is called farm?

Calculate in hectares the area of a rectangular farmland with dimensions 50m by 25m?

The data for feed consumption and weight gain of our four farm animals labelled P,Q,R and S are shown below.

Use the data to answer this question correctly 

P: 50kg feed consumed and 20kg weight gained.

Q: 90kg feed consumed and 30kg weight gained.

R: 100kg feed consumed and 25kg weight gained.

S: 150kg feed consumed and 30kg weight gained.

Which of the animals is the most efficient feed converter?

The main function of the part labelled I is?

The data for feed consumption and weight gain of our four farm animals labelled P,Q,R and S are shown below.

Use the data to answer this question correctly 

P: 50kg feed consumed and 20kg weight gained.

Q: 90kg feed consumed and 30kg weight gained.

R: 100kg feed consumed and 25kg weight gained.

S: 150kg feed consumed and 30kg weight gained.

The feed conversion efficiency of the poorest weight gainer is?

A planting material used in propagating plaintain is the?

The least important factor for successful incubation of eggs is?

Which of the following groups of organisms are parasites plants?

The growth of both trees and arable crops on the same piece of land is?

Which of the following statements best describes commercial farming?

A biotic factor affecting agricultural production is?

The type of rock formed from accumulation of materials transported by water is called?

Liquid fertilizers and pesticides could be applied through?

Which of the following statements are advantages of mulching? it I.Controls weeds II.Conserves soil moisture. III.Increases soil temperature. IV.Reduces soil pH.

Bone meal is usually included in the diet of livestock to supply?

Which of the following breeds of cattle is exotic?

The diagram above represents the digestive system of a?

Which of the following hormones is responsible for oestrus in farm animals?