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Agriculture Mcqs 7387 MCQs [All-Courses]

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Agriculture MCQs cover fundamental and applied concepts related to farming, crop production, soil science, irrigation, fertilizers, plant breeding, pests, and agricultural economics. This topic is designed to strengthen conceptual understanding and problem-solving skills through objective questions. It is especially useful for competitive exams such as PPSC, FPSC, KPPSC, BPSC, NTS, OTS, and other testing services, helping candidates prepare with exam-oriented and up-to-date agricultural knowledge.

All Topics  7387

Selection thinning is:
A In principle from the two methods already discussed
B The dominant trees are removed in order to stimulate the growth of the trees of the lower crown classes
C The same kind of vigorous trees those are favoured in crown
D All of the above
Correct Answer: All of the above
The classes of trees are removed in selection thinning:
A They are restricting the development of their neighbours on all sides
B They are less valuable than their neighbours
C They are of no special importance with regard to desirable species mixture
D All of the above
Correct Answer: All of the above
Mechanical thinning is:
A The trees to be cut or retained are chosen on the basis of a predetermined spacing
B Or pattern with little or no regard for their position in the crown canopy
C Both (a) & (b)
D None of these
Correct Answer: Both (a) & (b)
Free thinning is:
A The attention is concentrated still further on the selection of the stems evenly spaced over the ground
B Which are to be retained to maturity or till the last thinning or two
C Both (a) & (b)
D None of these
Correct Answer: Both (a) & (b)
What is increment?
A The increase in girth, diameter, basal area, height, volume, quality
B Value of individual tree or crops during a given period
C Utilizable portions of total woody growth goes on increasing
D All of the above
Correct Answer: All of the above
Variation of volume increment with age is:
A Current annual increment (CAI)
B Mean annual increment (MAI)
C Both (a) & (b)
D None of these
Correct Answer: Both (a) & (b)
Current annual increment (CAI) means:
A Every year, the volume of a growing tree or of a stand of trees, increases by quantity
B But periodic annual increment after 5/10 years is taken to be CAI
C Both (a) & (b)
D None of these
Correct Answer: Both (a) & (b)
From yield table we determine:
A Future increment of even aged crop can be from valid yield table
B Under stocked stands tend to approach fully stocked stands with increase in age, though more rapid growth than the latter
C Both (a) & (b)
D None of these
Correct Answer: Both (a) & (b)
Estimation of movement ratios from average diameter growth by diameter classes is / are :
A Tree diameters include in a dia class in the present stand tables are distributed uniformly, about the class centre
B Movement ration: Proportion of trees which will move onto next higher classes
C Both (a) & (b)
D None of these
Correct Answer: Both (a) & (b)
Increment determination by control method is / are:
A In Swiss, forest are managed intensively under selection system
B Each compartment is enumerated 100% at 5-6 years intervals
C Records are kept by compartments of all mortality and all cut trees in interval between two successive counts
D All of the above
Correct Answer: All of the above
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