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Agronomy-9

Q.1
If LER is more than 1.0, it means that the intercropping is_______.

Profitable
Not profitable
No change


Q.2
An aggressivity value is zero indicates that the component species are_____________.
Not competitive
Equally competitive
Less competitive


Q.3
Land equivalent ratio can be used in__________.
Replacement series
Additive series
Both


Q.4
The dry weight gained by a unit area of crop in a unit time is called_________.
Relative crop intensity index
Crop growth rate
Relative growth rate


Q.5
The ratio of leaf area to covered ground area is called____________.
Leaf area duration
Leaf area ratio
Leaf area index


Q.6
Sowing of succeeding crop before harvest of standing crop is known as______.
Mixed cropping
Relay cropping
Multiple cropping

Q.7
Crop growth rate is expressed as__________.

cm2/g
mm/day
g/day/m2


Q.8
Growing of several rows of trees and shrubs on a given piece of land is called_______.
Shelterbelt
Wind break
Siviculture


Q.9
Growing of crops in aberrant weather conditions like drought and flood is called___________.
Continuous cropping
Contingency cropping
Contour cropping


Q.10
Cropping intensity of one year crop rotation of pearl millet + green gram – mustard is_______.
100%
200%
300%


Q.11
Any direct or indirect harmful effect that one plant has on another through release of chemical substances in the root environment is called_____.
Annidation
Toxic effect
Allelopathy


Q.12
Yearly sequence and spatial arrangement of crops and fallow, on a given area is called______.
Crop intensification
Cropping pattern
Cropping system


Q.13
The practice of intensive exploitation of land capability by regular harvesting of such trees which produce numerous shoots from the stump after cutting is called:________.
Agroforestry
Coppice farming
None


Q.14
Growing two or more crops consecutively on the same field in the same year is called_________.
Multiple cropping
Diversified cropping
Relay cropping


Q.15
Yield of plant parts of economic interest (economic yield) as percentage of total biological yield in terms of dry matter is called_______.
Harvest index
Harvest ratio
Both


Q.16
Plants tolerant to high acidic soil conditions is known as_______.
Acedophytes
Basilophytes
Oxylophytes


Q.17
Multi intercropping includes________.
2 crops in intercropping
Relay cropping
More than 2 crops in intercropping


Q.18
Growing plants of different heights in the same field at the same time is called________.
Multiple cropping
Multi-storied cropping
Mixed cropping


Q.19
The most prevalent cropping system in India is_____________.
Rice-Soybean
Pearl millet-Potato
Rice-Wheat


Q.20
Crops selected in inter cropping system should have__________.
Identical growing habit
Different growing habit
Same root system


Q.21
Such intercropping where the production of both intercrops is equal to that of its solid planting is called__________.
Companion cropping
Parallel cropping
Synergetic cropping


Q.22
The system in which intercrop is introduced into the base crop by adjusting or changing crop geometry, is called_____________.
Additive intercropping
Replacement intercropping
Mixed cropping


Q.23
The conversion of yield into on form to compare the crops grown in mixed/inter/sequencially cropped is called_________.
Crop equivalent yield
land equivalent ratio
Relative crowding coefficient


Q.24
The relative land area under sole crops that is required to produce the yields achieved in intercropping is called_______.
Crop equivalent yield
land equivalent ratio
Relative crowding coefficient


Q.25
The common practice of examining intercropping advantage by expressing yields in monetary term is called____________.
Crop equivalent yield
land equivalent ratio
Monetary advantage

Number of score out of 25 = Score in percentage =


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