Which of the following nutrient element is a micro-nutrient?
Calcium
Iron
Manganese
Boron
Correct answer is A
Calcium is a macro nutrient [nutrients required by plant in large quantity, while the rest are micro nutrients [nutrients required in small quantity].
A crop not requiring more than 750mm annual rainfall is most suitable for cultivation in
Rain forest
Sahel savanna
Sudan savanna
Guinea savanna
Correct answer is B
Sahel savanna plants/crops requires between 600 - 900mm of rainfall.
Some of the by-products of fish include the following except
Fish meal
Leather
Oil
Fish silage
Correct answer is B
Leather cannot be gotten from fish, rather from cow, cattle, goat.
One of the symptoms of vitamin deficiency diseases in livestock includes except
Improved fertility
Loss of appetite
Scurvy
Rickets
Correct answer is A
Deficiency in vitamin cannot improve fertility rather it decreases it, leads to loss of appetite, scurvy and rickets.
The part of the ruminant stomach from which digestive juices secreted is the
Rumen
Reticulum
Abomasum
Paunch
Correct answer is C
Abomasium is the fourth stomach of ruminant animals and it is a secretary stomach, which secrets digestive juices, and also acid hydrolysis of microbial.