General Agriculture Mock 2026

Question 1 of 50

The soil type with the largest particles and the poorest water-holding capacity is

Question 2 of 50

The best soil for most crops is

Question 3 of 50

Decomposed organic matter in the soil is called

Question 4 of 50

The three major nutrients (macronutrients) needed by crops are

Question 5 of 50

Which of the following is an organic manure?

Question 6 of 50

Growing two or more crops on the same piece of land at the same time is

Question 7 of 50

Growing different crops on the same land in a planned order over seasons is

Question 8 of 50

Covering the soil surface with dry grass or leaves is

Question 9 of 50

Removing excess seedlings to give the rest enough space is

Question 10 of 50

Which crop is propagated mainly by stem cuttings?

Question 11 of 50

Plantain and banana are propagated by

Question 12 of 50

Controlling pests by using their natural enemies is

Question 13 of 50

A chemical used to kill weeds is a

Question 14 of 50

Storage pests such as weevils in grain can be reduced by

Question 15 of 50

The process by which soluble nutrients are washed down below the reach of plant roots is

Question 16 of 50

Soil acidity can be corrected by applying

Question 17 of 50

Phosphorus is especially important in crops for

Question 18 of 50

A main reason for including legumes in a crop rotation is that they

Question 19 of 50

Replacing seeds that failed to germinate is

Question 20 of 50

The pest that bores into maize stems and reduces yield is the

Question 21 of 50

The swollen shoot disease of cocoa is caused by a

Question 22 of 50

The insect that spreads the cocoa swollen shoot virus is the

Question 23 of 50

A tractor implement used for primary tillage is the

Question 24 of 50

A harrow is used to

Question 25 of 50

Which of the following is a problem of farm mechanisation in Ghana?

Question 26 of 50

Yellowing of older leaves (chlorosis) in maize is usually a sign of lack of

Question 27 of 50

A fertiliser labelled 15-15-15 contains

Question 28 of 50

Cocoa is propagated vegetatively by

Question 29 of 50

The black pod disease of cocoa is caused by a

Question 30 of 50

N'Dama cattle are valued in West Africa because they

Question 31 of 50

The soil water most available to plant roots is

Question 32 of 50

The law of diminishing returns states that adding more of one input while others are fixed eventually

Question 33 of 50

Water held in soil that plants can use is called

Question 34 of 50

Field capacity is the amount of water soil holds

Question 35 of 50

Gross margin in farm economics is

Question 36 of 50

Photoperiodism in crops refers to flowering in response to

Question 37 of 50

A systemic insecticide works by

Question 38 of 50

Fall armyworm mainly attacks

Question 39 of 50

A tractor bought for GH¢200,000 with a salvage value of GH¢20,000 and 10-year life depreciates per year by (straight line)

Question 40 of 50

Opportunity cost for a farmer who grows maize instead of cassava on the same land is

Question 41 of 50

A dairy cow produces 12 litres a day for a 300-day lactation. Total milk yield is

Question 42 of 50

Zero grazing means

Question 43 of 50

A soil sample weighing 120 g wet and 100 g oven-dry has a moisture content (dry basis) of

Question 44 of 50

Soil with pH 4.5 is likely to have

Question 45 of 50

The bulk density of a soil is calculated as

Question 46 of 50

Maize planted at 75 cm × 25 cm with one plant per stand gives how many plants per hectare?

Question 47 of 50

A seed lot with 85% germination is sown to obtain 40,000 plants/ha. The seeds needed are about

Question 48 of 50

The economic threshold in pest management is the pest level at which

Question 49 of 50

A farmer applies 120 kg of N per hectare using sulphate of ammonia (21% N). The fertiliser needed per hectare is about

Question 50 of 50

The law of the minimum (Liebig) states that growth is limited by