The available form of nitrogen for plants is_________________? April 23, 2025 by admin A. NO3 B. NH4 C. Both a and b D. non of these
A method of estimating seed vigour on the basis of color intensity o the stained seeds was described by______________? April 23, 2025 by admin A. Germ and Keitreiber (1954) B. Kittock and Law (1963) C. Maguire (1963) D. Moore (1973)
genetic purity is assessed through________________? April 23, 2025 by admin A. Inspection B. Seed testing C. Germination D. All the a b c
Hybrid seeds are developed because they_________________? April 23, 2025 by admin A. Produce better crop B. Provide greater vigour C. Are more uniform D. All the above
The systematic arrangement of soil in to groups or categories is called_________________? April 23, 2025 by admin A. Classification B. Annuals C. Perennials D. Ranking
One rooting hormone occurring naturally in plant is ___________________? April 23, 2025 by admin A. Indolebutyric B. Indolacetic acid C. Naphthalene acetic acid D. None of the above
The contribution of agriculture in the GDP of the country is____________________? April 23, 2025 by admin A. 25% B. 35% C. 30% D. 40%
Pakistan has a total forest area of about_________________? April 23, 2025 by admin A. 22 million ha B. 32 million ha C. 12 million ha D. 20 million ha
The sever salinity problem has taken lands out of production as___________________? April 23, 2025 by admin A. 50% B. 10% C. 45% D. 30%
In wheat total crop N uptake per ton of grain is about__________________? April 23, 2025 by admin A. 50-60 Kg B. 20-30 Kg C. 15-20 Kg D. 70-80 Kg
