Agronomy Quiz 2
1 / 50
Hybrid seeds are developed because they_________________?
2 / 50
Cotton is a crop of_______________?
3 / 50
2,4-d is synthetic herbicide derived from_______________?
4 / 50
CCRI stands for_______________?
5 / 50
The management of kind by planting a series of crops, pastures or following to maximize production with sustaining land quality is called_______________?
6 / 50
The crops which are grown to reduce the soil erosion and natural losses by leaching is known as______________?
7 / 50
The negative logarithm of the hydrogen ion concentration, a measure of the acidity of a solution is called_______________?
8 / 50
The Cotton plant belong to family ?
9 / 50
Resistance of plants to living organism is called______________________?
10 / 50
In cotton the recommended R x R distance is_________________?
11 / 50
Plants having no defined limits of vegetative and reproductive element is called______________?
12 / 50
In pulses, for the production of nucleus seed we require minimum of_________________?
13 / 50
Crop rotation means growing_________________?
14 / 50
Plants adopted to arid regions are___________________?
15 / 50
High density grains are found mostly at___________________?
16 / 50
In Bindi, production of foundation seed needs an isolation distance of__________________?
17 / 50
Seed leachate conductivity is significantly higher in seeds having_________________?
18 / 50
the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?
19 / 50
Seed rate of cotton per acre is________________?
20 / 50
The seed dormancy of rice seed can be broken by putting into the oven at____________________?
21 / 50
Hitting the seed with force against a hard surface to break seed dormancy is called_______________?
22 / 50
The major source of foreign exchange earning is________________?
23 / 50
The condition of drying of plant parts due to lack of water is called__________________?
24 / 50
Who gave the formula for mean germination time?
25 / 50
Which one of the following is C4 plain_________________?
26 / 50
Delta pine variety of cotton was imported in Pakistan in the year______________?
27 / 50
The wearing away of the land surface by wind, water, ice or other geological agent is called__________________?
28 / 50
The substance that an enzyme acts upon is known as___________________?
29 / 50
In Sunflower, production of foundation seed requires as isolation distance of__________________?
30 / 50
Cotton plant has a mode of germination______________?
31 / 50
Delta of water for cotton crop is________________?
32 / 50
Which one of the following is a major fiber crop of Pakistan ?
33 / 50
Seed dormancy of nee seeds can be successfully broken by heat treatment at________________?
34 / 50
Organic farming, is a copping system in which__________________?
35 / 50
England cotton was imported from the time in__________________?
36 / 50
Among the cotton exporting countries the number of China is________________?
37 / 50
Certification is not required for________________?
38 / 50
Partially decomposed organic matter is termed as___________________?
39 / 50
The technical name of janter is_________________?
40 / 50
Gaseous loss of a substance from the soil or from fertilizer or manure is called_________________?
41 / 50
Who gave the formula for coefficient of velocity of germination ?
42 / 50
In 1991-92 the record production of cotton in Pakistan was_______________?
43 / 50
Excess of nitrogen to plants causes_________________?
44 / 50
Gassypium herbaceum was originated in______________?
45 / 50
Drought is measuring in terms of________________?
46 / 50
Wheat is predominantly________________?
47 / 50
In fanning system cultivation of two or more crops is known as_______________?
48 / 50
Generally field crops are cultivated at altitude__________________?
49 / 50
In China, cotton was cultivated as a crop in._______________?
50 / 50
In wheat total crop N uptake per ton of grain is about__________________?
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