D:-None of the above
Correct Answer:- Option-B
Question68:-Additional attachment to trawls operated on rough rocky grounds to prevent wear and tear of net
A:-Shackle
B:-Bobbins
C:-Swivels
D:-None of the above
Correct Answer:- Option-B
Question69:-Narrow rectagular end section of trawl where the catch is collected
A:-Bosom
B:-Apron
C:-Cod end
D:-Wings
Correct Answer:- Option-C
Question70:-Wooden rectangular plate attached to the head rope that ensures vertical opening of trawl
ക്ട
B:-Otter board
C:-Sinkers
D:-All of these
Correct Answer:- Option-A
Question71:-Most dominant fishing craft in the surf beaten coasts of India
A:-Dugout canoe
B:-Plank built boat
C:-Catanarans
D:-FRP canoe
Correct Answer:- Option-C
Question72:-The synthetic material having highest density among the following
A:-PE
B:-PP
೧-೫೧
D:-PES
Correct Answer:- Option-C
Question73:-Polyester fibres are manufactures from polycondensation
A:-Terephthalic acid and ethylene
B:-Terephthalic acid and ethylene gycol
C:-Hexanethylene diamine and adipic acid
D:-None of these
Correct Answer:- Option-B

Question74:-The phenomenon of continuous fishing for indefinite period due to accidental loss of fishing nets in sea is
termed as

A:-Excessive fishing
B:-Subsistence fishing
C:-Targetted fishing
D:-Ghost fishing
Correct Answer:- Option-D
Question75:-The part of fishing hook that facilitate retention of fish during fishing
A:-Shank

D:-Eye
Correct Answer:- Option-C
Question76:-Net sonde is a
A:-Fish finding equipement
B:-Navigational Equipment
C:-Life saving appliance
D:-Fire fighting equipment
Correct Answer:- Option-A
Question77:-A regulation that ensures escape of juvenile fish from trawls
A:-Thicker twines