JAMB Past Questions and Answers - Page 1459

7,291.

The feed that is regularly offered to or consumed by the animal is called

A.

Ratio

B.

Ration

C.

Nutrient

D.

Content

Correct answer is B

A ration is defined as the feed that is regularly offered to or consumed by the animal. Diets are formulated to meet specific metabolic or physiological functions which include growth, lactation, reproduction, maintenance of pregnancy, egg laying, weaning, fattening etc

7,292.

____________ is said to occur when a ration does not provide all the food nutrients in adequate quantities needed by animal.

A.

Malnutrient

B.

Malnutritional

C.

Malnourish

D.

Malnutrition

Correct answer is D

Malnutrition is said to occur when a ration (amount of feed provided to an animal per day) does not provide all the food nutrients(carbohydrate, protein,fats and oils, vitamins, minerals, water and other feed additives) in adequate quantities. Those nutrients wanting are said to be deficient which eventually results in nutritional disease.

7,293.

The B-Horizon of soil profile is also called the

A.

Top soil

B.

Sub-soil

C.

Parent materials

D.

Bedrock

Correct answer is B

The B-horizon, also called the sub-soil, is the next horizon immediately after the top soil. It is rich in minerals which are carried or leached down by percolating water.

 

7,294.

The A-Horizon of soil profile is also called the

A.

Top soil

B.

Sub-soil

C.

Parent materials

D.

Bedrock

Correct answer is A

The A-Horizon, also called the top soil, represents the surface layer of the soil profile. This horizon contains more organic matter than other horizons. The A horizon, the top soil, is the most weathered and leached of all the soil horizons.

7,295.

The vertical section of the soil showing series of horizontal layers of different types of soil is called

A.

Soil texture

B.

Soil layers

C.

Soil profile

D.

Soil type

Correct answer is C

Soil profile is defined as the vertical section of the soil, showing series of horizontal layers of different types of soil. These horizontal layers are called horizons.