গ) Contact herbicide as well as translocated herbicide
ঘ) All of above
০৩। A basal dose of phosphorus at ______ g/m2 to tobacco nursery area has been recommended:
ক) 5.5 - 6.5
খ) 7.5 - 8.0
গ) 9.0 - 9.5
ঘ) 10.0 - 10.5
০৪। A cloud type that occurs in low height in the atmosphere is:
ক) Stratus
খ) Cumulus
গ) Nimbus
ঘ) Cumulo-nimbus
০৫। A farmer is to select suitable crops for a drought prone un-irrigated area. Which one of the following groups of crops should be chosen for mixed cropping?
ক) Sesame, maize, oats
খ) Sorghum, whet
গ) Sesame sorghum/pearl millet, niger
ঘ) Maize, upland rice, berseem
০৬। A good crop of potato yielding about 400 q/ha on an average removes _______ N + P2O5 + K2O kg/ha, respectively:
ক) 170-180 + 100 + 250
খ) 170-180 + 25 + 250
গ) 170-180 + 50 + 125
ঘ) 170-180 + 25 + 100
০৭। A lentil crop grown with improved package of practices may record the yield upto t/ha:
ক) 1.0 - 1.5
খ) 3.0 - 3.5
গ) 1.5 - 2.0
ঘ) 2.0 - 2.5
০৮। A main shortcoming that was observed during green revolution:
ক) Pulse crops were neglected
খ) Paddy was neglected
গ) Big farmer were neglected
ঘ) Use of fertilizers neglected
০৯। A millet crop is:
ক) Sugarcane
খ) Bajra
গ) Barley
ঘ) Jute
১০। A minor portion of the phosphorus absorption capacity of soils originates from:
ক) Sodium bicarbonate
খ) Sodium carbonate
গ) Calcium oxide
ঘ) Calcium carbonate
১১। A screen which is used to measure the temperature of atmosphere is know as:
ক) Clark screen
খ) Symon's screen
গ) Thermocouple
ঘ) Stevenson's screen
১২। A short duration crop in between two main crops is termed as:
ক) Cash crop
খ) Catch crop
গ) Companion crop
ঘ) Ephemeral
১৩। A tuber represents:
ক) Enlarged underground root
খ) Enlarged underground stem
গ) Enlarged underground nodules
ঘ) None of these
১৪। A weed that spreads asthma is:
ক) Colotropis
খ) Parthenium
গ) Kanuch weed
ঘ) Common grass weed
১৫। According to the modern concepts; the major function of inter-row tillage is:
ক) Moisture conservation through soil mulching
খ) Improved soil aeration
গ) Improved soil granulation
ঘ) Moisture conservation through weed destruction
১৬। Addition of ammonium sulphate to a herbicidal spray solution enhances the ______ against Agropyron repens:
ক) Glyphosphate
খ) Amylase
গ) Reductast
ঘ) Oxi-reductase
১৭। Adsali crop of sugarcane takes a period of maturity of:
ক) 8 months
খ) 12 months
গ) 18 months
ঘ) 24 months
১৮। Affinity of the enzyme RuDP carboxylase for crbon dioxide is enhanced by: