B:-Pseudomonas, Aeromonas
C:-Saprolegnia
D:-None of these
Correct Answer:- Option-B
Question55:-Name a substance used for fixing glass panels of aquarium tank.
A:-Silicon Sealant
B:-Fevicol
C:-Acrylicgum
D:-None of these
Correct Answer:- Option-A

Question56:-Which among the following male fish possess tubercles on pectoral fin base and operculum during the breeding

time?

A:-Angel fish

B:-Guppy

C:-Sword tail

D:-Gold fish

Correct Answer:- Option-D
Question57:-The functional unit of Myofibril is

A:-Sarcomere

B:-Myotome

ന്ന

D:-Myosin

Correct Answer:- Option-A
Question58:-Myofibril is formed by myofibrillar protein, which consist of

A:-Actin and Myosin

B:-Tropomyosin, Troponin and Actinin

C:-Both 1 and 2

D:-None of the above

Correct Answer:- Option-C
Question59:-The "Dun" spoilage is caused by

A:-Halophilic bacteria

B:-Halophilic mould

C:-Both 1 and 2

D:-Oxidation of fat

Correct Answer:- Option-B
Question60:-For irradiation of food, we can use controlled exposure of food to the radiation sources such as

A:-X rays

B:-Electron beams

C:-Isotopes of Cobalt

D:-All of the above

Correct Answer:- Option-D

Question61:-The stage at which three quarters of water in the fish freezes and temperature remain fairly constant at about

-1°C is known as
A:-Freezing zone
B:-Thermal arrest
C:-Initial falling rate period
D:-None of the above
Correct Answer:- Option-B
Question62:-Which one of the following statement is/are correct?
(1) Sarcoplamic proteins are soluble in water
(॥) Fibrillar proteins soluble in high ionic strength solutions
(iii) Stroma proteins are soluble in salt solution
A:-Only (i and ii)
:-Only (i and iii)
C:-Only (ii and iii)
D:-All of the above (i, ii and iii)
Correct Answer:- Option-A
Question63:-The final breakdown product of ATP is
A:-ADP
B:-AMP