Agronomy
The heating of atmosphere by gases that are transparent to sun light but opaque to radiated heat is called _______?
Green house effect
Warming
Pollution
Solar radiation
Green house effect
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The artificial food of Queen is known as _______?A. Bee bread
B. Royal Jelly
C. Jelly
D. Nectar
The ratio of treatment variance to error variance is known as _______?
A. Critical difference
B. F-value
C. Correlation
D. I-value
AZR1 is _______?
A. Arid zone research institute
B. Attock Zonal research institute
C. Agriculture zonal research institute
D. None of these
Examples of poly phagous insect is _______?
A. Helicoverpa armigera
B. Green lacewing
C. Ants
D. Pink bollworm
The soil has got?
A. Five horizons
B. Six horizons
C. Seven horizons
D. Two horizons
Insect body divided into external grooves called Sutures _______?
A. Sutures
B. Sclerite
C. Somites
D. Acron
The potential means of enhancing productivity is _______?
A. Quality of seeds
B. Seed density
C. Quantity of seeds
D. All the above
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