Agricultural Science Questions
Question 261:
Rhizobium supplies nitrogen to leguminous plants by
- A Changing some mineral salts to sulphate of ammonia
- B Incoporating urea into its body
- C Fixing atmospheric nitrogen
- D Decomposing plant remains
- E Increasing the PH value of the soil
Question 262:
The advantage of providing drainage ditches in farms is that it
- A Requires periodic clearing
- B Is inconvenient for farm mechanization
- C Is labour intensive
- D Is unsuitable for draining basement of farm buildings
- E Is easily adopted by samll scale farmers
Question 263:
Which of the following sources of farm power cannot be effectively used for processing agricultural products?
- A Animals
- B Electricity
- C Sun
- D Machines
- E Wind
Question 264:
The instrument used to measure the relative humidity is
- A Thermometer
- B Anemometer
- C Hygrometer
- D Hydrometer
- E Rain gauge
Question 265:
The most important limitation of agricultural mechanization is
- A Small holdings
- B Lack of technical know-how
- C Poor marketing system
- D Inadequate storage facilities
- E Pest attack