B:-Powdery mildew - Phyllactinia guttata
C:-Leaf rust - Olivea tectonae'

D:-Leaf blight - Phoma tectonae

Correct Answer:- Option-D

Question73:-Which among the following statement is not correct regarding
mycorrhiza?

A:-Mycorrhiza are generally non-pathogenic soil fungi associated with roots of
certain trees.

B:-Hyphae of mycorrhiza grow in the intercellular space and form a network of
hyphae is called as "Hartig Net".

C:-Trees belong to families Fagaceae, Betulaceae and Salicaceae have
mycorrhizal association.

D:-Fungi which form ectomycorrhiza belong primarily to Phycomycetes.
Correct Answer:- Option-D

Question74:-Choose the wrong combination: (Hint: Tree-Nursery Disease-Causing
organism)

A:-Collar rot - Rhizoctonia solani-Ailanthus triphysa.
B:-Damping off - Cylindrocladium scoparium - Eucalyptus tereticornis
C:-Leaf blight - Olivea tectonae - Tectona grandis
D:-Wilting - Trametes spp - Dalbergia sissoo
Correct Answer:- Option-D
Question75:-Which one of the following insects is Teak Skeletonizer?
A:-Hyblaea puera
B:-Eutectona machaeralis
C:-Galenara consimilus
D:-Neophasia menapia
Correct Answer:- Option-B
Question76:-Which among the following is an example for edible mushroom?
A:-Agaricus bisporus
B:-Amanita muscaria
C:-Inocybe lacera
D:-Gyromitra esculenta
Correct Answer:- Option-A

Question77:-Which among the following statement is not true regarding "Felling
Rules" of logging operations?

A:-Tree should be felled as low as possible.
B:-Felling should usually begin at the top of a slope and proceed downwards.
C:-Tree should be felled in the direction of downhill side.