Agricultural Science Past Questions and Answers

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

A Improved quality of farm produce
B Environmental pollution
C Poisoning of wildlife
D Disruption of the ecosystem

Question 1457:

Biological methods of weed control do not include

A Introducing insects to control weeds
B Planting crops to compete with the weeds
C Planting leguminous cover crops
D Uprooting the weeds

Question 1458:

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?

A 100%
B 75%
C 50%
D 25%

Question 1459:

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

A 100% brown coat coloured offspring
B 75% brown coat coloured offspring
C 50% brown coat coloured offspring
D 25% brown coat coloured offspring

Question 1460:

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

A Bladder
B Epididymis
C Testis
D Rectum