The instrument used for measuring the photosynthetically active radiations (PAR) is:________?
A. Pyrheliometer
B. Pyrgeometer
C. Quantom sensor
D. Both A & C
Agriculture Mcqs
The credit for identifying the essentality of nitrogen to plants goes to________?
The credit for identifying the essentality of nitrogen to plants goes to________?
A. Dr.Muhammad Sharif
B. Theodore-saussure
C. Shafiq Baloch at.el
D. Sach and knoop
What kind of nitrogenous (N) fertilizers should not be used for flooded soil:
What kind of nitrogenous (N) fertilizers should not be used for flooded soil:
A. Ammonical
B. Nitrate
C. Ammonical-nitrate
D. Both B & C
1 meq of HCl is equal to_________?
1 meq of HCl is equal to_________?
A. 1.4 mg of N
B. 14 mg of N
C. 0.14 mg of N
D. 140 mg of N
Organisms satisfying their carbon requirement as Co2 from atmosphere and energy requirement from oxidation of simple inorganic compound are called as_________?
Organisms satisfying their carbon requirement as Co2 from atmosphere and energy requirement from oxidation of simple inorganic compound are called as_________?
A. Chemoautotroph
B. Photoautotroph
C. Saprophyte
D. None of these
Loss of nitrogen in the form of NH3 in alkaline medium is known as_________?
Loss of nitrogen in the form of NH3 in alkaline medium is known as_________?
A. Denitrification
B. Leaching
C. Volatilization
D. None of these
Browning disease of rice is a_________?
Browning disease of rice is a_________?
A. Bacterial & fungal disease
B. Physiological disease
C. Viral disease
D. The above statement is wrong
If a manure pile is exposed to the rain, what nutrient will be lost the most ?
If a manure pile is exposed to the rain, what nutrient will be lost the most ?
A. Ca
B. Mg
C. S
D. N
What is the optimum temperature and pH for nitrifying bacteria ?
What is the optimum temperature and pH for nitrifying bacteria ?
A. 30-35 c, pH 5.5
B. >35 c, pH less than 5
C. 25-40 c, pH 8-8.5
D. All of thses
The first mechanism to start in the wind erosion is_________?
The first mechanism to start in the wind erosion is_________?
A. Creep
B. Saltation
C. Siltation
D. None of these