A.Like every other plant
B.Also susceptible to may diseases and damages by bacteria, fungi, insects and wild animals
C.Almost all parts of the tree i.e., stem, leaves, branches and roots etc., are affected by one disease of the other.
D.Poplars have met quite of few other adversaries in different parts of Pakistan
E.All of the above
A.This is flat headed stem borer
B.The grubs are white and not more than 2.3 cm in length
C.Both (a) & (b)
D.None of these
A.These are injurious to the physiology of the forest
B.Between tempertures of 35
C.They also cause dryness in the plant due to deficiency of moisture
D.Very high temperatures cause excessive transpiration from the plant
E.All of the above
A.Illicit removal of forest produce from the forest
B.Encroachments
C.Irregularities in the management and exploitation of forests
D.Forest Fires
E.All of the above
A.Destruction of tender seeding which are eaten together with the grass amidst which they may occur
B.Mechanical damage to young growth and saplings through the passage of animals
C.Dislodging of soil on steep slopes causing erosion
D.Destruction of fences, drains, boundary posts, etc.
E.All of the above
A.Stem borer of serious nature
B.It is found in KPK, Boluchistan and some parts of Punjab
C.The galleries run under the bark
D.All of the above
A.The larvae stituch two or more leaves together and feed in between
B.The distribution is countrywide.
C.The pest has 7 generations in a year
D.It hibernates in winter as pupae and become active again in April/May
E.All of the above
A.The pith borer of poplars
B.Mostly found in KPK, Azad Kashmir and Lahore
C.The eggs are laid in eye-shaped slits made in young branches by ovipositing adult
D.All of the above
A.Loss of valuable forested land, which is brought under a totally unproductive use
B.Loss of valuable timber
C.Accelerated erosion and other related features
D.All of the above
A.Sheep and grazers
B.Camels and goats are browsers
C.Both (a) & (b)
D.None of these
