1 .The book “Annals of Agriculture” is published by;-
a) Arthur Young b) Van Helmont c) Jethro Tull d) Blackman
2 .In India, first separate department of agriculture was established in;-
a) 1881 b) 1900 c) 1801 d) 1985
3. Yellow revolution is associated with;-
a) Pulse production b) Milk production c) Fruit production d) Oilseeds production
4. Secondary consequences of increasing elevation, both agronomically and economically significant are _______ .
a) Decreased temperature b) Decreased precipitation c) Decreased wind velocity d) Increased soil fertility
5. The net assimilation rate is express in terms of ;-
a) g cm-2 day-1 b) g g-1ha-1 c) g g-1day-1 d) g cm-2 ha-1
6. Which of the following crop geometry ensures uniform solar radiation availability to crop?
a) Rectangular b) Random c) Square d) None of these
7. North of the equator, surface winds are known as ______ .
a Northeast trade winds b Southeast winds c Westerlies d Easterlies
8. Conservation tillage tends to encourage ________.
a Higher microbial population b Lower number of earthworms c Reduced soil fauna d None of these
9 Though tilth is dynamic in nature, can be measured by _______ .
a Aggregate analysis b Chemical analysis c Biological analysis d None of these
10 Capillary movement of water is complemented by________.
a Stem elongation b Root extension c Leaf orientation d None of these
11 A soil absorbs about ______ of incoming solar radiation.
a 5 Percent b 10 Percent c 15 Percent d 20 Percent
12 Nitrate levels in drinking water above ______ mg per litre are considered as a human health hazard.
a 5 b 10 c 15 d 20
13 Biogeochemical nutrient cycles have led to recognize that ____ is very important.
a Balanced fertilization b Over fertilization c Under fertilization d None of these
14 Wavelength longer than ______ m/µ is not visible to the eye, and are called infrared.
a 450 b 550 c 650 d 750
15 The spray drift of 2,4 D (ester form) can cause considerable damage in ______ .
a Maize b Rice c Sorghum d Cotton
1.a 9.a
2.a 10.b
3.d 11.b
4.a 12.b
5.a 13.a
6.c 14.d
7.a 15.d
8.a
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