The practice of mating closely related animals is called
Pen mating
Cross breeding
Outbreeding
Inbreeding
Correct answer is D
Inbreeding is the mating of organisms closely related by ancestry.
Which of the following fishing gears can be used for total harvesting of pond?
Hook and line
Harpoon
Basket trap
Dragnet
Correct answer is D
It is because of the way it is constructed, dragnet can be used for the total harvesting of ponds.
Methods of preserving fish include the following except
Boiling
Drying
Smoking
Salting
Correct answer is A
Boiling is not a method of preserving fish.
Heavy infestation of liver fluke causes poor absorption of fats in livestock by
Blocking bile ducts thus preventing flow of bile
Destroying fat-digesting enzymes
Reducing ingestion of fats
Inhibiting the action of digestive enzymes
Correct answer is D
A liver fluke is a parasitic worm. After liver flukes have been ingested, they travel from the intestines to the bile ducts in the liver where they live and grow. They grow so much that they contaminate the bile and this affects fat-digesting enzymes.
Which of the following is not a symptom of foot and mouth disease of cattle?
Excessive production of saliva
Sores on feet and tongue
Lameness
Blood stained diarrhea
Correct answer is D
The foot and mouth disease of cattle is not characterized by blood stained diarrhea.