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
:-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
-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 ?

A:-10 cu ft

B:-25 cu ft

C:-35 cu ft

D:-50 cu ft

Correct Answer:- Option-C
Question33:-Internal rate of return 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 shelterwood is removed in the case of
chir in North India.

൧:-12-15
8:-50-60
-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
-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 teeth
B:-Thickness of teeth
C:-Number of teeth
D:-Angle between teeth
Correct Answer:- Option-D