List of top Forestry Agroforestry Silviculture Questions asked in ICAR AIEEA (PG)

Indian Council of Forestry Research and Education is the apex body of Forestry Research and Education in India and has the Head Quarter at
Following are the statements on Liberation cutting
A. Liberation cutting is defined as a cutting made in a young stand, past the sapling stage, for the purpose of freeing the young growth from older individuals (wolf trees) which are overtopping.
B. Desirable young stems can be overtopped by residual trees left after timber harvesting or by faster‐growing sprouts of an undesirable species.
C. Liberation cutting should be applied only when potentially valuable crop trees can be benefitted.
D. This cutting type includes all operations designed to regulate the species composition or improve the growth of very young stands, ordinarily those not past the sapling stage.
Choose the correct answer from the options given below:
Under Indian conditions, ____aspects are exposed to greater amount of insolation.
The process of establishment of plant in the new site from germination to its reproduction is known as
In Shelterwood system, the seeding felling aims to retain ____trees.
Classical ordinary thinning consists of the removal of
Passing an angled horizontal blade beneath a nursery bed at a specified depth to cut newly penetrating roots and to loosen and aerate soil.
Normally broadcasting method of seed sowing is followed for small seeds and identify the species for which the broadcasting is suitable
Given below are two statements
Statement I: In horizontal point sampling, a series of sampling points are selected randomly or systematically distributed over the entire area to be inventoried.
Statement II: Trees around this point are viewed through any angle gauge at breast height and all trees forming an angle lesser than the critical angle of instrument are counted.
In light of the above statements, choose the correct answer from the options given below
One of the best examples of the Clear Felling System with artificial regeneration is
Given below are two statements
Statement I: Instrument called Conimeter is used for vertical point sampling.
Statement II: Within a full 360$^\circ$ sweep around the sample point all trees appearing taller than a critical angle C are counted.
In light of the above statements, choose the correct answer from the options given below
Stump planting in teak was developed by
Taungya system of raising plantations was first time introduced in India by
Systems of concentrated regeneration are those silvicultural systems in which regeneration fellings are for the time being concentrated on part of the felling series. Identify the system which is not aimed at concentrated regeneration.
A. The diameter at the thin end of the log determines the sawn volume that can be taken out of it, the greater the rate of taper, the lesser is the length of the log.
D. The diameter at the thick end of the log determines the sawn volume that can be taken out of it, the greater the rate of taper, the greater is the length of the log.
(Choose the correct answer from the options given below based on log taper logic)
Match List I with List II
List I: A. Net squared timber from log, B. Quarter girth formula, C. Bottom portion of tree, D. Middle portion of tree
List II: I. Frustrum of cone, II. Frustrum of neiloid, III. 63.6 % of the actual volume, IV. 78.50 % of the actual volume, V. Frustrum of paraboloid
In India diameter or girth at breast height is measured at ____whereas, in Europe, UK and other commonwealth countries it is measured at \rule{1.5cm}{0.15mm}.
According to Metzer’s theory, the stem of the tree is built up in such a way as, with the minimum of material, to offer uniformly the greatest resistance to the stresses to which it is subjected.
In India the first teak plantation was established at Nilambur, Kerala during the year
A. Total number of plants that can be accommodated in 6 ha of land with a spacing of 3X2 is approximately 100000
B. Total number of plants that can be accommodated in 6 ha of land with a spacing of 3X2 is approximately 10000
(Choose the correct answer from the options)
Out of the total number of fires which occurs in our country about ____percent are caused by the natural causes (lightening, rolling stones or rubbing of dry bamboo with each other).
Which of the following is a Teak defoliator?
Sandalwood spike disease (SSD), the most destructive of known diseases to infect Indian sandalwood (Santalum album L.) is caused by____.
____a nitrogen‐fixing actinomycete, forms root nodules with eight non‐leguminous plant families.
The bio‐control agent for control of lantana (Lantana camera) weed is ____.