Agronomy Quiz 3
1 / 50
The series of transformation which a nutrient undergoes in the biosphere before returning to its original formed is called_______________?
2 / 50
Cotton plant has mode of germination_________________?
3 / 50
Simple plains that lack photosynthesis pigments are called as_________________?
4 / 50
Plants that can tolerate drought are_________________?
5 / 50
The control and preservation of natural resources for present and future use is called_________________?
6 / 50
Auxins and cytokinins are__________________?
7 / 50
In wheat, production of certified seed needs an isolation distance of____________________?
8 / 50
Root nodules in plants help in___________________?
9 / 50
Highly decomposed stage of organic matter is called_______________?
10 / 50
The movement of water in soil profile is.known as__________________?
11 / 50
The oxygen concentration in the air is________________?
12 / 50
Optimum pH for cotton plant lies between______________?
13 / 50
Mutual association between fungi and roots of plants is known as_________________?
14 / 50
The branch of Science which deals cultivation of land is called________________?
15 / 50
Percentage of area irrigated by a cusec of water during the season is called_______________?
16 / 50
Crop ideotype refers to________________?
17 / 50
Better crop establishment especially for direct seeded rice can be obtained by using________________?
18 / 50
Diversity of animals and crop species in different ecosystems is called as_______________?
19 / 50
Field capacity and permanent wilting point are different indifferent_______________?
20 / 50
The given off water vapours from the surface of leaves is called________________?
21 / 50
the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?
22 / 50
Removal of cellular water followed by shrinkage of protoplasm is due to
23 / 50
There has been emphasis on the conservation of wild relatives of cultivated plants because wild plants________________?
24 / 50
Number of irrigation required for cotton crop are______________?
25 / 50
Air contains___________________?
26 / 50
Critical factors for crop production is________________?
27 / 50
The value of regression and correlation is the same when the correlation between two variables is_________________?
28 / 50
Use of tetrazolium staining for assessment of seed quality was suggested by________________?
29 / 50
A long severe winter and short summer is called_________________?
30 / 50
Cotton ginning machine was invented by_______________?
31 / 50
The best soil for cotton cultivation is_________________?
32 / 50
The CO, content of air is___________________?
33 / 50
Mesophytes are grown in__________________?
34 / 50
Penetrometer are used for measuring__________________?
35 / 50
Who the a method of estimating seed vigour on the basis of color intensity of the stained seeds ?
36 / 50
The unproductive branches of cotton are called_________________?
37 / 50
genetic purity of seed is determined by________________?
38 / 50
Controlled run off, water supplies, irrigation, soil fertility is called as_________________?
39 / 50
Tensiometer is used for measuring____________________?
40 / 50
In Pakistan, the total length of canal system exceeds________________?
41 / 50
Breeder seed is the progeny of_____________________?
42 / 50
Who described the method of estimating seed vigor on the basis of colour intensity of stained seed________________?
43 / 50
A process in which most of the organisms are killed is known as_________________?
44 / 50
Hot desert has mean annual temperature of___________________?
45 / 50
The critical stages in cotton is______________?
46 / 50
Drip method of irrigation is not suitable to close spaced crops because_________________?
47 / 50
International institute for Tropical Agriculture is located at________________?
48 / 50
Allelocliemicals may enter in the soil through the process of_________________?
49 / 50
Raising of only one crop in a year, when there is seasonal supply of water is called______________?
50 / 50
AZR1 is___________________?
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