Agricultural Science Questions
Question 461:
The side effects of the various preventive and control measures of pests and diseases of crops include the following except
- A Environmental pollution
- B Poisoning of wildlife
- C Disruption of the ecosystem
- D Improvement in the quality of farm produce
- E Exposure of the farmer to health hazards
Question 462:
Which of the following parts of plants are normally used for vegetative propagation?
- A Stem, root and seed
- B Stem, root and flower
- C Fruit, leaf and root
- D Leaf, flower and stem
- E Stem, root and leaf
Question 463:
The correct sequence in preparing new land for cropping is usually
- A Stumping, laying out of farm, ridging and tiling
- B Laying out of farm, ridging, stumping and tilling
- C Tilling, stumping, laying out of farm
- D Ridging, laying out of farm, tilling and stumping
- E Laying out of farm, stumping, tilling and ridging.
Question 464:
Which of the following methods would quickly provide a large harvest of oranges from a tree with desirable qualities?
- A Planting the seeds of the plant with the desirable qualities
- B Crossing orange trees with those of desirable qualities
- C Applying special fertilizer to the other citrus trees
- D Grafting a branch from the tree with desirable qualities to the stock of other citrus trees
- E Planting the stem cuttings of the orange tree with desirable qualities
Question 465:
Which of the following is not an aim of improving crops?
- A Producing crops which are resistant to diseases and pests
- B Producing crops which are adapted to adverse weather conditions
- C Increasing yield by planting high yielding and vigorous varieties
- D Improving the qualities of farm produce
- E Improving mechanical method of harvesting crops.