CSEC Agricultural Science Paper 1 May/June 2026 - Free CXC Past Paper with Answers

Biodiversity refers to the

impact of humans on a given habitat

different habitats in which animals live

differences in the individuals within each species

different species of organisms and the variety of habitats in which they live

The growing of crops and rearing of fish at the same time in the same system is called

A country is said to have food security when it can

feed most of its population

provide a high-protein diet for everyone

secure food for everyone during periods of natural disasters

provide safe and nutritionally balanced food for everyone

Which institution has the following objectives? I. To develop a common trade policy II. To facilitate trade between member countries III. To act as a bargaining body when negotiating with outside forces

Caribbean Development Bank (CDB)

Caribbean Community (CARICOM)

Caribbean Public Health Agency (CARPHA)

Caribbean Research and Development Institute (CARDI)

A farmer wants to know the number of tools on her farm. Which of the following records should she check?

Which of the following effects is MOST likely associated with crops grown in wet climatic conditions?

Plants are hardier than usual.

Irrigation is usually a major concern.

Yield per acre is usually higher than normal.

Disease and pest outbreaks are usually high.

Which of the following practices can be adopted to speed up the breakdown of organic matter in a compost heap?

Gather dead plants and animals faster.

Add water to the compost when it is dry.

Light a fire on top of the heap to create more heat.

Allow a long time to pass before applying another layer of compost.

In economic terms, a surplus exists when

supply of an item is equal to demand

little price elasticity of demand exists

the demand for an item is less than supply

supply is less than the demand for an item

Which of the following outcomes are benefits of subsidies to farmers?

I. Free farming inputs. II. Economic security for farmers III. Guaranteed prices for certain products

Which of the following farm expenses is considered a variable cost?

Which of the following institutions is NOT a source of credit for a farmer?

Savings and thrift society

On a subsistence farm, labour is mainly supplied by

the farmer and his family

the farmer's use of machinery

the farmer and seasonal workers

Based on the information in the table, the equilibrium price of tomatoes is

Which of the following items is LEAST important when a farmer is applying for a loan?

Legumes are especially important in organic crop farming because they

are easy to cultivate

promote nitrogen fixation

have a high market demand

are a good source of protein

Which of the following is NOT a likely role of agricultural cooperatives?

Provide scholarships for farmers to study.

Access government support services.

Assist farmers in the marketing of produce.

Enable farmers to remain in business.

Using the information in the table, the gross farm income for Farmer Brandon's broiler farm is

A farmer intends to expand his poultry farm. Which of the following budgets will he prepare?

Which of the following international bodies acts as a mediator among countries on trade issues?

International Trade Centre (ITC)

World Trade Organization (WTO)

Environmental Protection Agency (EPA)

International Seabed Authority (ISA)

Agricultural marketing can BEST be described as

value-added farm products

buying goods from the market to be sold to exporters

moving goods and services from producer to consumer

selling goods produced on the farm at a marketplace

The type of germination in which cotyledons appear above the ground is known as

The transfer of pollen grains from the anther of one plant to the stigma of another plant of the same or closely related species is known as

The atmospheric gas being utilized in the manufacture of food by plants is

Which of the following factors is MAINLY responsible for the type of soil that is formed in an area?

Type of parent material

Water-holding capacity

Which of the following parts of the plant is responsible for the transport of water and soluble mineral nutrients from the roots to other parts of the plant, as illustrated in the diagram?

Which of the following methods relates to the practice of biological control on a farm?

Adjusting planting dates and crop rotations

Increasing crop spacing to avoid plant bridges

Manipulating crop production systems to eliminate pests

Using natural predators, parasites and pathogens to kill pests

The correct sequence of steps to be followed when growing a crop is

selection of planting material, land preparation, planting, cultural practices and harvesting

land preparation, cultural practices, selection of planting material, planting and harvesting

land preparation, selection of planting material, planting, cultural practices and harvesting

selection of planting material, planting, land preparation, cultural practices and harvesting

A soil sample from a school farm was tested and found to have a very high concentration of hydrogen ( $H^+$ ) ions. This indicates that the soil MOST likely is

A field of cabbage shows signs of heavy infestation by cabbage white butterfly larvae. Which of the following symptoms are the plants MOST likely to show?

Entire leaf veins eaten

Root system destroyed

Leaves yellow and plant stunted

Severe damage to leaves and heads

A tall pigeon pea plant with the genotype $Tt$ is crossed with a dwarf pigeon pea plant with the genotype $tt$. What percentage of the pigeon pea offspring are expected to be short plants?

Which of the following is NOT a benefit of farm mechanization?

Increased losses in crop handling

Better yield and quality of produce

Farm operations performed on time

Improved standard of living for rural farmers

Which of the following types of chemicals can be applied to treat early blight in tomatoes?

An advantage of the use of postharvest technology is that it results in

compositional changes

physiological breakdown

a reduction in loss due to spoilage

Burning as a method of land clearing is highly discouraged because it

raises air temperature

depletes soil nutrients

darkens the soil surface

weakens the soil's texture

Which of the following activities will cause soil erosion? I. Mulching II. Overgrazing III. Land clearing

Which of the following outcomes can be achieved from mutation breeding? I. Induced desirable mutant alleles II. Improve polygenic traits for crop improvement III. Improve a specific trait in crops such as new colors

Which of the following practice(s) should be recommended to a farmer who is cultivating a parcel of land that floods in the rainy season? I. Plant on high beds. II. Construct deep drains. III. Minimize land preparation before planting.

Which of the following weed control methods is considered to be biological?

Mulching with organic material

Spraying with a contact weedicide

Application of a systemic herbicide

Introduction of parasites to feed on weeds

Which of the following indicates the maturity index for okra?

Tip breaks off easily

The technique which can be used to reduce the water content of harvested crops is

In rabbits, most cellulose digestion takes place in the

Legumes are planted in a pasture MAINLY to

provide variety for animals

increase carbohydrate content

increase the protein content of a diet

provide extra vitamins and minerals

The first compartment of the ruminant stomach is called the

If H represents the dominant allele for horns and h represents the recessive allele, the possible genotype of the offspring from the cross is

Which of the following functions is carried out by the part labelled R?

Provides nutrients for a developing poultry embryo

Supports, balances and holds the yolk in place at the centre of the egg

Serves as the entry point of sperm to the egg and the development of the embryo

Maintains proper internal conditions for the egg whether fertilized or not

The term 'gestation' can be defined as the

union of eggs and sperms

release of eggs from ovaries

time period during which pregnancy lasts

The disease in rabbits that causes runny droppings which contain blood and mucous is MOST likely

The function of the drone in a hive is to

forage for nectar and pollen

A maintenance ration is one that has the nutrients needed

for the animal to increase in weight

to allow for some activities to go on

to keep the animal in a producing mode

to keep the animal alive in its initial condition

Which of the parts labelled I, II, III, IV is the proventriculus?

Bees are of economic importance to a citrus farmer because they

test fruit for ripeness

prevent praedial larceny

increase fruit production

promote biological pest control

A likely DISADVANTAGE of using artificial insemination in cows is:

lower need for skilled labour

reduced risk of disease spread

increased mixing of cattle breeds

greater need for technical expertise

Which of the following is a function of candling in poultry production?

Detecting abnormality in the egg

Determining the fertility of the egg

Determining the correct consistency of the egg

Checking whether the eggs are developing properly

Farmer Beverly reports that the feed conversion ratio (FCR) of her sheep and cattle is $8:1$ . This means that

the animals consumed $8\text{ kg}$ of feed to put on $1\text{ kg}$ of live weight

for every $8\text{ kg}$ of live weight gain, the animals consumed $1\text{ kg}$ of feed

for every $\text{kg}$ of live weight gain, the animals consumed $\frac{1}{8}\text{ kg}$ of feed

the animals produced $\frac{1}{8}\text{ kg}$ of dry carcass weight for every $8\text{ kg}$ of feed they consumed

Broiler birds with signs of blisters on the face, legs and other body parts are MOST likely infected with

Debeaking is a procedure used to

artificially incubate eggs

reduce cannibalism in poultry

provide brooding conditions for chicks

prevent the condition called egg bound

Which of the following occurs during the oestrus cycle?

When building pens for animals, the farmer must ensure that they are well ventilated. This is done to facilitate the movement of

Which of the following combinations of value-added products can be obtained from pigs?

Manure, meat meal, offals, nuggets

Steak, manure, leather, pork

Bristles, bacon, ham, sausage

Bacon, mutton, veal, ham

The live weight of a goat is $50\text{ kg}$ . The dressed carcass weight is $30\text{ kg}$ . What is the dressing percentage?

CSEC Agricultural Science Paper 1 May/June 2026 - Free CXC Past Paper with Answers

CSEC Agricultural Science Paper 1 May/June 2026 Questions