JAMB Past Questions and Answers - Page 1427

7,131.

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.

 

7,132.

Which of the following types of alkanols undergo oxidation to produce alkanoic acids.

I. Primary alkanols
II. Secondary alkanols
III. Tertiary alkanols

A.

I, II and III

B.

I and II only

C.

III only

D.

I only

Correct answer is D

Only primary alkanols undergo oxidation to produce alkanoic acid. Option A,B,C will not produce alkanoic acid

7,133.

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.

7,134.

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.

 

7,135.

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.