When a farmer tries to eradicate snails from pastures, he is attempting to control
When poultry flock, the birds keep passing out green, foul-smelling faeces with nervous symptoms, it means that the farmer
Which of the following livestock diseases affects the reproductive system?
Which of the following groups of macro-nutrients is a constituent of protein?
A wall is usually constructed in piggeries to
In which of the following systems of poultry management can the spread of diseases be kept to a minimum?
The hormone that influences the movement of the pelvic ligaments during parturition in farm animals is known as
The gestation period of ewe is
Fluids from the cowpers and prostate gland help in the following except
Ruminants do not normally show deficiency symptoms of vitamin B complex because
Which of the following structures is not connected to the urethra of a bull?
Assuming that in sheep, the allele for black coat colour is dominant over that for brown coat colour. Crossing a heterzygote black with a homozygote brown will produce
Assuming that in sheep, the allele for black coat colour is dominant over that for brown coat colour. What percentage of the F generation will have black colour when two heterozygotes are crossed?
Biological methods of weed control do not include
The side effects of the various preventive and control measures of pests and diseases of crops include the following except
The eradication of mealy bugs is an effective control of
Golden brown lesions on peeled yam tuber indicate infection by
Deforestation will eventually lead to
An erect tropical perennial grass which grows to 3 – 6 metres tall and has broad hairy leaves is the
Which of the following crops does not require nursery?
Tomato plants are primarily staked to