Correct Answer:- Option-B
Question29:-Sodium amytal is a
A:-Antibiotic
B:-Antibacterial agent
C:-Anesthetic drug
D:-Larvicidal drug
Correct Answer:- Option-C
Question30:-Gonodotropic hormone with low carbohydrate content induces
A:-Maturation and ovulation
B:-Vitellogenesis
C:-Spawning
D:-Hatching ratio
Correct Answer:- Option-B
Question31:-Deficiency of a vitamin in the diet results in the deformed quality of eggs with low hatchability
A:-Vitamin C
B:-Vitamin B12
C:-Vitamin D
D:-Vitamin A
Correct Answer:- Option-A
Question32:-Which live feed is usually needed to be enriched for nutritional quality before administration?
A:-Diatoms
B:-Artemia nauplii
C:-Rotifers
D:-Copepods
Correct Answer:-Question Cancelled
Question33:-What is an important concept in ecosystem based management of aquaculture production systems?
A:-Stocking density
B:-Relative growth
C:-Carrying capacity
D:-Feed management
Correct Answer:- Option-C

Question34:-Aquaculture is the fastest growing food production sector in the world with an average growth rate of
annually.

Correct Answer:-Question Cancelled

Question35:-Which organisms dominates the global mariculture production by almost 60% percentage of total production?
A:-Arthropods

:-Finfishes

C:-Molluscs

D:-Echinoderms

Correct Answer:- Option-C

Question36:-The artificial substrates used to collect the spat settled in the bivalve hatchery for transferred into open water
culture

A:-Longlines
B:-Cultch
C:-Chaplets
D:-Bufonts
Correct Answer:- Option-B
Question37:-Which are mainly used as sentinel organisms for monitoring the contaminants in the marine environment?
A:-Sea cucumbers
B:-Polychaetes
C:-Mussels
D:-Sea weeds
Correct Answer:- Option-C
Question38:-Usually bivalves molluscs shows ___ hermaphroditism type of reproduction.
A:-Protogynous