agronomy MCQs – Page 15

Practise focused agronomy questions with marked answers for exam preparation and subject revision.

agronomy Mcqs

281. Raising of only one crop in a year when there is seasonal supply of water is called_________?
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A. Multiple cropping

B. Harvest cropping

C. Monocropping

D. None of these

282. The total dry matter produced by a plant as a resulting photosynthesis is called_______________?
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A. None of the above

B. Biological yield

C. Mass

D. Physical productivity

283. The potential means of enhancing productivity is_________________?
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A. All the above

B. Quantity of seeds

C. Quality of seeds

D. Seed density

284. Seed dormancy of nee seeds can be successfully broken by heat treatment at________________?
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A. None of the above

B. 45c for 3-8 days

C. 54c for 2-6 days

D. 50c for 3-7 days

285. The physical condition of soil is called________?
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A. Tilth

B. Tillage

C. Tiller

D. None of these

286. Mesophytes are grown in__________________?
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A. None of the above

B. Dry condition

C. Moist places

D. Desert area

287. An illustration of an organic material is__________?
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A. Vermiculite

B. Perlite

C. Pea gravel

D. Leaf mold

288. Who the a method of estimating seed vigour on the basis of color intensity of the stained seeds ?
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A. Nicolls & Hey Decker (1968)

B. Kittock &. Law (1953)

C. Germ (1949)

D. Moore (1973)

289. Natural water as pH equal to________________?
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A. 1

B. 7

C. 9

D. 4

290. Raising of two or more crops in the same field or in year is called_________?
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A. None of these

B. Harvest cropping

C. Monocropping

D. Multiple cropping

291. Controlled run off, water supplies, irrigation, soil fertility is called as_________________?
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A. Saw logs

B. Agriculture conservation

C. Soil protection

D. Catchmento protection

292. Highly decomposed stage of organic matter is called_______________?
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A. Cellulose

B. Humus

C. All the above

D. Organic acid

293. The condition of drying of plant parts due to lack of water is called__________________?
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A. None of the above

B. Wilting

C. Water stress

D. Drought

294. These crops are planted in winter from October to December and harvested in summer from March to May is called______?
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A. Kharif crops

B. Rabi crops

C. Relay crops

D. All of these

295. Generally field crops are cultivated at altitude__________________?
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A. 1200014000 ft

B. 0008000 ft

C. 02000 ft

D. 20004000 ft

296. The depth of irrigation water required for the full crop period is called_______________?
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A. non of these

B. Delta of water

C. Consuptive use of water

D. Optimum use of water

297. Initial vegetation that invades and occupies the area is called_________________?
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A. Resin

B. Range

C. None of the above

D. Pioneer

298. Narcotic crops mainly grown in Pakistan is_________________?
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A. Pyrethrum

B. Co see

C. Tobacco

D. Cocon

299. Who gave the formula for speed of germination_______________?
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A. Baskin (1972)

B. Maguire (1962)

C. Germ (1949)

D. Moore (1973)

300. In rice, high silicon content, in shoot confers resistance to_________________?
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A. All the above

B. Stem borer

C. Root borer

D. Leaf borer

Showing 281 to 300 of 308 mcqs