Year :
2019
Title :
Agric Science
Exam :
JAMB Exam
Paper 1 | Objectives
71 - 80 of 80 Questions
| # | Question | Ans |
|---|---|---|
| 71. |
Which one of these is not a factor that affect change in supply of agricultural produce A. Technology B. Changes in the cost of production C. Changes in prices of commodity D. Fixed cost Detailed SolutionFixed cost does not affect the supply of agricultural produce. |
|
| 72. |
The part of the ruminant stomach from which digestive juices secreted is the A. Rumen B. Reticulum C. Abomasum D. Paunch Detailed SolutionAbomasium is the fourth stomach of ruminant animals and it is a secretary stomach, which secrets digestive juices, and also acid hydrolysis of microbial. |
|
| 73. |
One of the symptoms of vitamin deficiency diseases in livestock includes except A. Improved fertility B. Loss of appetite C. Scurvy D. Rickets Detailed SolutionDeficiency in vitamin cannot improve fertility rather it decreases it, leads to loss of appetite, scurvy and rickets. |
|
| 74. |
Some of the by-products of fish include the following except A. Fish meal B. Leather C. Oil D. Fish silage Detailed SolutionLeather cannot be gotten from fish, rather from cow, cattle, goat. |
|
| 75. |
A crop not requiring more than 750mm annual rainfall is most suitable for cultivation in A. Rain forest B. Sahel savanna C. Sudan savanna D. Guinea savanna Detailed SolutionSahel savanna plants/crops requires between 600 - 900mm of rainfall. |
|
| 76. |
Which of the following nutrient element is a micro-nutrient A. Calcium B. Iron C. Manganese D. Boron Detailed SolutionCalcium is a macro nutrient [nutrients required by plant in large quantity, while the rest are micro nutrients [nutrients required in small quantity]. |
|
| 77. |
The type of soil formed is affected by the following factors except A. Climate B. Vegetation C. Topography D. Farming systems Detailed SolutionAll other options apart from farming systems affects the soil type, farming system only affects the soil texture. |
|
| 78. |
The farm practices that does not have a very harmful effect on the soil is A. Flooding B. Crop rotation C. Over grazing D. Bush burning Detailed SolutionCrop rotation is the practice of growing a series of dissimilar or different types of crops in the same area in sequenced seasons. |
|
| 79. |
Maize grows best on A. Sandy soil B. Sandy-clay soil C. Loamy soil D. Silty-clay soil Detailed SolutionLoamy soil; this is the best soil for planting, because it contains all types of soil in the right proportion and required nutrients for growth of plant. |
|
| 80. |
Which of the following is not a source of minerals in animal nutrition? A. Palm oil B. Fish meal C. Blood meal D. Green pastures Detailed SolutionPalm oil |
| 71. |
Which one of these is not a factor that affect change in supply of agricultural produce A. Technology B. Changes in the cost of production C. Changes in prices of commodity D. Fixed cost Detailed SolutionFixed cost does not affect the supply of agricultural produce. |
|
| 72. |
The part of the ruminant stomach from which digestive juices secreted is the A. Rumen B. Reticulum C. Abomasum D. Paunch Detailed SolutionAbomasium is the fourth stomach of ruminant animals and it is a secretary stomach, which secrets digestive juices, and also acid hydrolysis of microbial. |
|
| 73. |
One of the symptoms of vitamin deficiency diseases in livestock includes except A. Improved fertility B. Loss of appetite C. Scurvy D. Rickets Detailed SolutionDeficiency in vitamin cannot improve fertility rather it decreases it, leads to loss of appetite, scurvy and rickets. |
|
| 74. |
Some of the by-products of fish include the following except A. Fish meal B. Leather C. Oil D. Fish silage Detailed SolutionLeather cannot be gotten from fish, rather from cow, cattle, goat. |
|
| 75. |
A crop not requiring more than 750mm annual rainfall is most suitable for cultivation in A. Rain forest B. Sahel savanna C. Sudan savanna D. Guinea savanna Detailed SolutionSahel savanna plants/crops requires between 600 - 900mm of rainfall. |
| 76. |
Which of the following nutrient element is a micro-nutrient A. Calcium B. Iron C. Manganese D. Boron Detailed SolutionCalcium is a macro nutrient [nutrients required by plant in large quantity, while the rest are micro nutrients [nutrients required in small quantity]. |
|
| 77. |
The type of soil formed is affected by the following factors except A. Climate B. Vegetation C. Topography D. Farming systems Detailed SolutionAll other options apart from farming systems affects the soil type, farming system only affects the soil texture. |
|
| 78. |
The farm practices that does not have a very harmful effect on the soil is A. Flooding B. Crop rotation C. Over grazing D. Bush burning Detailed SolutionCrop rotation is the practice of growing a series of dissimilar or different types of crops in the same area in sequenced seasons. |
|
| 79. |
Maize grows best on A. Sandy soil B. Sandy-clay soil C. Loamy soil D. Silty-clay soil Detailed SolutionLoamy soil; this is the best soil for planting, because it contains all types of soil in the right proportion and required nutrients for growth of plant. |
|
| 80. |
Which of the following is not a source of minerals in animal nutrition? A. Palm oil B. Fish meal C. Blood meal D. Green pastures Detailed SolutionPalm oil |