2007 - WAEC Agriculture Past Questions and Answers - page 4

An erect tropical perennial grass which grows to 3 - 6 metres tall and has broad hairy leaves is the

Deforestation will eventually lead to

Golden brown lesions on peeled yam tuber indicate infection by

The eradication of mealy bugs is an effective control of

The side effects of the various preventive and control measures of pests and diseases of crops include the following except

Biological methods of weed control do not include

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?

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

Which of the following structures is not connected to the urethra of a bull?

Ruminants do not normally show deficiency symptoms of vitamin B complex because