Correct Answer:- Option-A
Question92:-Gmelina arborea defoliator beetles feed on which part of the plants
A:-Leaves and young buds
Shoots
C:-Leaves, young buds and shoots
D:-Fleshes of fruits
Correct Answer:- Option-C
Question93:-The measures which regulate the numbers of the insect by use of their natural enemies are generally called as
A:-Biological control
B:-Chemical control
C:-Mechanical control
D:-Cultural control
Correct Answer:- Option-A
Question94:-Deodar (Cedrus deodar) is attacked by which of the defoliator in North West Himalayas ?
A:-Hyblaea puera
B:-Hapalia machaeralis
C:-Ectropis deodare
D:-Plecoptera reflexa
Correct Answer:- Option-C
Question95:-Which of the following insect kill the seedlings by the destruction of rootlets or removal of the bark of taproot ?
A:-Cockchafers
B:-Cutworms
C:-Termite
D:-Cricket
Correct Answer:- Option-A
Question96:-In which of the following symptoms abnormal cell division or cell size is generally found ?
A:-Necrotic symptoms
B:-Hypertrophic symptoms
C:-Atrophic symptoms
D:-Decay
Correct Answer:- Option-B
Question97:-Which pathogen is responsible for wilt disease in Dalbergia sissoo ?
A:-Rhizoctonia solani
B:-Fomes annosus
C:-Armillaria mellea
D:-Fusarium solani
Correct Answer:- Option-D

Question98:-In which of the following process lifting of seedlings or small plants above their normal soil level by expansion
of soil mass and finally seedlings die ?

A:-Frost Heaving
:-Frost cracks
C:-Canker
D:-Shading
Correct Answer:- Option-A
Question99:-Corticum salmonicolor causes which disease in teak in the high rainfall areas of Kerala and Karnataka
A:-Black disease
B:-Blue disease
C:-Pink disease
D:-Yellow disease
Correct Answer:- Option-C
Question100:-When the plant showed the partial resistance against all the races of pathogen, it is called as
A:-Horizontal resistance
B:-Vertical resistance
C:-Adult plant resistance
D:-Induced resistance
Correct Answer:- Option-A