1231. During decomposition of organic matter, inititial decomposition is dominated by:__________?
A. Actinomycetes
B. Bacteria
C. Fungi
D. Both B & C

1232. Which leaf of rice is sampled for tissue nutrient analysis?
A. Mature leaf
B. Lower leaf
C. Both A & B
D. None of these

1233. Rate of entry of water in soil is__________?
A. Infiltration
B. Percolation
C. Leaching
D. Seepage

1234. The credit for identifying the essentality of K, Ca, Mg and P to planta goes to________?
A. C. Sprengel
B. Theodore Saussure
C. Dr. Muhammad Sharif et al.
D. Shafiq Khalil et al.

1235. The unique soil environment under the influence of plants roots is called rhizosphere and this term was given by__________?
A. Hiltner
B. Aristotle et al.
C. A.Q khan
D. Helium. S. Denial

1236. 1 mg of H+ will be equal to_________?
A. 20 mg of ca2+
B. 12 mg of Mg2+
C. 9 mg of Al3+
D. All of the above

1237. In cotton, zn deficiency is known as_________?
A. Fern leaf
B. Mottle leaf
C. Little leaf
D. None of these

1238. Exposure of the manures to rains causes highest loss of___________?
A. N
B. Cu
C. Cl
D. P

1239. The very high temperatures required for ICP-AES are attained by__________?
A. Quartz
B. Plasma
C. Carbon
D. None of these

1240. What is Vesicular Arbuscular Mycorrhiza (VAM)?
A. Bacteria
B. Fungi
C. both A & B
D. None of the above

 

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