Q.171)-In how many days is the sunnhemp fibre rotten in normal conditions
- 10-12 days
- 8-10 days
- 6-8 days
- 5-6 days
Q.172)-Which herbicide resides for the longest period in the soil?
- Chlorpropham
- Linuron
- Propachlor
- Simazine
Q.173)-Which of the following is not a method of knowing seed life?
- Respiration test
- Embryo culture method
- Seed dormancy method
- Indigocarmine method
Q.174)-Which of the following is not a variety of seeds?
- Hybrid seed
- Composite seed
- Breeder seed
- Mutant seed
Q.175)-Opening and closing of stomata depends on-
- Sunlight
- Water pressure
- Transpiration
- Temperature
Q.176)-At what temperature does the wilt disease virus grow faster?
- 40°C - 45°C
- 35°C - 40°C
- 24°C - 28°C
- 22°C - 26°C
Q.177)-Evaporation is measured by which instrument?
- Barometer
- Psychrometer
- Lysimeter
- Hygrometer
Q.178)-At which height from soil level are the synoptic meteorological observations done?
- 2.0 metre
- 1.25 metre
- 2.2 metre
- 1.0 metre to 2.0 metre
Q.179)-Success of rural projects depends upon-
- Agriculture Extension
- Management
- Soil Science
- Regular training of staff
Q.180)-Pheromone Trap' attracts-
- male moths
- female moths
- caterpillar
- female bugs