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MEDIUM
ENGLISH
Agriculture
Soil organic matter includes:
A
The partially decayed
Option A
B
Resynthesized plant
Option B
C
Animal residues
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Geology is the study of earth. Earth’s crust is divided into:
A
Ocean
Option A
B
Continents
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Loam means:
A
Mixture of sand, silt and clay
Option A
B
Which exhibit light and heavy properties in equal proportions
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Properties of clay are:
A
Fine textured
Option A
B
Highly plasticity
Option B
C
Have low drainage
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Properties of silts are:
A
Intermediate in size between sand and clay
Option A
B
Powdery feeling
Option B
C
More plasticity than sand
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The major soil texture includes:
A
Course textured soil (more sand particles)
Option A
B
Medium textured soil (qual proportion of very fine sand, silt and clay)
Option B
C
Fine textured soil (silt and clay)
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The functions of soil structure are:
A
Key to fertility of soil
Option A
B
Important factor in soil erosion
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
The development of soil structure from single grained or massive states conditions:
A
Single grained: Where each soil particles function as an individual e.g. Sandy soil
Option A
B
Massive: Clay fills the spaces and pores so that the soil becomes dense and forms clods
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
The major types of soil structure are:
A
Basis: The classification of soil structure is based on size shape and stability of soil aggregates. The soil aggregate may be of following forms
Option A
B
Major shape: Spheroidal, plate like, bloke like, prism like
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
The word Soil means:
A
Natural body which is composed of a mixture of organic and inorganic matter in which plants and other living organism grow
Option A
B
The unconsolidated mineral material on the surface of earth that serves as natural medium for land plants
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Method of control mean:
A
It is not a method of yield regulation but a method of repeated inventories in un-even-aged forests
Option A
B
Continuous record of history of growing stock, its volume
Option B
C
Size class distribution, causalities and increment
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Numbers size of trees methods is:
A
Number of trees in each size class
Option A
B
Passage of time from one dia class to another dia class
Option B
C
Casualty percentage
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Von Mantel’s formula is:
A
Based on idea of relationship between volume
Option A
B
Increment Mental in 1852 formulated it
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Hunder Shagan’s formula is:
A
Actual annual yield (Ya) in a forest should bear the same relationship to volume of actual growing stock (Va)
Option A
B
The normal annual yield (Yn) does to volume of normal growing stock (Vn)
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Volume regulation formulate are used:
A
Hunder Shagen
Option A
B
Van Mantle
Option B
C
Blan Ford formulae
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Methods of yield regulation for even-aged forests are:
A
Area method
Option A
B
Periodic yield and regeneration block (Cotta Formula)
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Yield regulation means:
A
A loose term generally to the determination of yield and prescribed means of achieving it
Option A
B
Yield includes final yield and intermediate yield
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Stocking and density means:
A
Stocking: Is a qualitative term, which designates the relative occupation of the site by trees
Option A
B
Stand density: A quantitative measure of tree stocking, expressed either relatively as a co-efficient, taking normal numbers, basal area
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Site and growing stock means:
A
Site: An area considered in terms of its environment, particularly as this determines the type and quality of vegetation the area can carry”
Option A
B
Exploitable sizes are attained much sooner on higher than on lower site qualities, enabling shorter rotations
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Idea was first enunciated by French forester de Liocourt in 1898 who said:
A
In selection forest, the stem numbers fell off from lower to higher dia classes in a geometric progression
Option A
B
So there was a constant ratio between numbers in successive dia classes from lowest to the highest
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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