Agricultural Science questions and answers

Agricultural Science Questions and Answers

A comprehensive list of Agricultural science questions with answers to help you prepare for JAMB, WAEC, NECO, Post UTME exams.

36.

Which of the following is an important aspect of livestock management in agriculture?

A.

Irrigation scheduling

B.

Fertilizer application rates

C.

Animal health and welfare

D.

Crop rotation techniques

Correct answer is C

Animal health and welfare is an important aspect of livestock management in agriculture. Livestock managers and farmers are responsible for ensuring the well-being of the animals under their care. This includes providing proper nutrition, appropriate housing and shelter, disease prevention and control measures, and veterinary care.

 

37.

What is the primary focus of animal husbandry in agriculture?

A.

Veterinary care for domestic pets

B.

Protection of wildlife habitats

C.

Breeding and management of farm animals

D.

Crop cultivation for livestock feed

Correct answer is C

The primary focus of animal husbandry in agriculture is the breeding and management of farm animals. Animal husbandry involves various practices related to the care, breeding, and rearing of domesticated animals for agricultural purposes.

38.

What is the process of introducing foreign genetic material into an organism called?

A.

Transcription

B.

Transformation

C.

Translocation

D.

Translation

Correct answer is B

The process of introducing foreign genetic material into an organism is called transformation. In biotechnology, transformation involves the insertion of specific genes or DNA sequences into the genome of an organism, resulting in the expression of new traits or characteristics.

 

39.

What does the term "recombinant DNA" refer to in biotechnology?

A.

DNA synthesized in a laboratory

B.

DNA replicated using polymerase chain reaction (PCR)

C.

DNA extracted from ancient fossils

D.

DNA modified to contain genes from different organisms

Correct answer is D

term "recombinant DNA" in biotechnology refers to DNA that has been modified or engineered to contain genes from different organisms. This process involves the insertion of specific genes or gene segments into the DNA of an organism, resulting in the creation of a new DNA sequence with combined genetic information.

 

40.

What happens to the price of a agricultural product when demand exceeds supply?

A.

The price fluctuates randomly

B.

The price decreases

C.

The price remains unchanged

D.

The price increases

Correct answer is D

In economics, when demand exceeds supply, it creates a shortage. The price of the product will increase until the quantity demanded is equal to the quantity supplied, a state known as equilibrium. This is because the high demand and low supply create a competitive market where buyers are willing to pay more to secure the product.