Correct Answer:- Option-B
Question29:-A plantation of genetically superior trees isolated to reduce cross pollination by inferior ones and managed
intensively for seed production is

A:-Seed stand

B:-Seed orchard

C:-Provenance

D:-Plus stand

Correct Answer:- Option-B
Question30:-Vigour test method in which the ability of germinants to overcome physical stress is evaluated by germinating
the seeds under a layer of crushed brick stone gravel

A:-Cutting

B:-Grave yard

C:-Hiltner

D:-Tetrazolium

Correct Answer:- Option-C
Question31:-This organism is commonly known as the teak defoliator

A:-Eutectona macheralis

B:-Hyblaea puera

C:-Sahyadrussus malabaricus

D:-Hypsipyla grandella

Correct Answer:- Option-B
Question32:-The current annual increment for Ailanthus at 5 years age is 5 cu. ft and 10 years is 2.5 cu. ft. The MAI at 10
years of tree age is 3.5 cu. ft. What is the total tree volume at “10~(th)" year 7

A:-10cu ft

B:-25 cu ft

೧೨5 ೧೧

0:-50 0 पि

Correct Answer:- Option-C
Question33:-Internal rate of retumn is the

A:-Interest rate

B:-Discount rate

C:-Bank rate

D:-Opportunity cost

Correct Answer:- Option-B
Question34:-Usually seed bearers per hectare are ratained even after all the sheltarwood is removed in the case of
chirin North India.

A:-12-15

B:-50-60

C:-2-3

D:-150-200

Correct Answer:- Option-A
Question35:-The nursery operation to condition the nursery stock by loosening the contact between soil and root of the
seedings in nursery bed is called

A:-Box pruning

B:-Lateral pruning

C:-Under cutting

D:-Wrenching

Correct Answer:- Option-B
Question36:-Shigakai pods are obtained from

A:-Acacia concinna

B:-Acacia arabica

C:-Butea monosperma

D:-Caesalpinia sapan

Correct Answer:- Option-A
Question37:-Pitch of a saw is

A:-Length of testh

B:-Thickness of teeth

C:-Number of teeth

D:-Angle between teeth

Correct Answer:- Option-D