Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for Competitive -paper37

MULTIPLE ques. FOR COMPETITIVE examination
(B.Sc. Agriculture)


1 The book "Annals of Agriculture" is published by;-
a Arthur Young b Van Helmont
c Jethro Tull d Blackman

2 In India, 1st 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 subsequent crop geometry ensures uniform solar radiation availability to crop?
a Rectangular b Random
c Square d None of these


7
The origin place of potato is;-
a China b South America
c India d Africa

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 North of the equator, surface winds are known as ______ .
a Northeast trade winds b Southeast winds
c Westerlies d Easterlies

16 The spray drift of 2,4 D (ester form) can reason considerable damage in ______ .
a Maize b Rice
c Sorghum d Cotton

17 Mustard crop planted at a spacing of 50 x 20 cm will have _______ plants / ha.
a 75,000 b 1,00,000
c 1,25,000 d 1,50,000

18 The Agroclimatic zone XIII, comprising the state Gujarat represents _________ kind climate.
a Arid to extremely arid b Arid to dry sub-humid
c Semi arid d Humid

19 The optimum temperature for better crop production is ranging from _____ .
a 12 – 180 C b 24 – 300 C
c 18 – 240 C d 30 – 350 C

20 Which of the subsequent instruments used to determining direction of wind?
a Anemometer b Anemograph
c Aerometer d Aeroscope slide

Earning:   Approval pending.