JAMB Agricultural Science Past Questions & Answers - Page 8

36.

Which of the following are branches of agriculture?

A.

Economics and Mathematics

B.

Agronomy and Horticulture

C.

Biology and Chemistry

D.

Botany and Zoology

Correct answer is B

Agriculture is a broad field that encompasses various branches or disciplines focused on different aspects of plant and animal production. Among the given options, Agronomy and Horticulture are the branches of agriculture.

37.

Which of the following is an example of an agricultural extension method used to disseminate information to farmers?

A.

Crop rotation

B.

Irrigation systems

C.

Farmer field schools

D.

Soil testing

Correct answer is C

Farmer field schools are an example of an agricultural extension method used to disseminate information to farmers. Farmer field schools are structured learning programs where farmers actively participate in hands-on training and field demonstrations.

38.

What is commercial agriculture?

A.

Large-scale farming for profit and market-oriented production

B.

Farming for self-sufficiency and survival

C.

Small-scale farming with limited use of modern technology

D.

Intensive farming using advanced technology

Correct answer is A

Commercial agriculture refers to farming practices that are primarily focused on generating profit through the sale of agricultural products in the market. It involves large-scale cultivation of crops or raising of livestock with the aim of maximizing productivity and economic returns.

39.

What is pollination in plants?

A.

The dispersal of seeds by wind or animals

B.

The transfer of pollen from the anther to the stigma of a flower

C.

The process of seed formation after fertilization

D.

The production of flowers by a plant

Correct answer is B

Pollination is the process by which pollen grains from the male reproductive organ of a flower (anther) are transferred to the female reproductive organ (stigma) of the same or a different flower.

40.

What are the primary benefits of agricultural extension services?

A.

Preservation of traditional farming practices

B.

Enhanced knowledge and skills of farmers

C.

Increased crop diversity and yield

D.

Improved market access for agricultural products

Correct answer is C

The primary benefits of agricultural extension services include increased crop diversity and yield, enhanced knowledge and skills of farmers, and improved market access for agricultural products. However, the preservation of traditional farming practices is not a primary benefit of agricultural extension services. Therefore, the correct answer is 'Increased crop diversity and yield'.