B:-Berried female
C:-IMTA
D:-Spermatozoa
Correct Answer:- Option-B
Question19:-Low pH in pond can be controlled by using
A:-Lime
B:-Zeolite
C:-Fertiliser
D:-Hydrochloric acid
Correct Answer:- Option-A
Question20:-Observe the statements:
1. Over fertilisation in ponds produce algal bloom
2. Excess phytoplankton growth will choke the fish gills.
3. Excessively rich plankton reduce pond pH at daybreak:
4. Excessively rich plankton produces a very high pH in the late afternoon.
A:-Only the first statement is correct.
-First and second statements are correct.
C:-Third and Fourth statements are correct.
D:-All are correct
Correct Answer:- Option-D

Question21:-Utilisation of the aquatic and coastal land in a sustainable manner by ensuring enough resources for our future
generation is the one of the objective of

A:-MPEDA
B:-CMFRI
6-۵
D:-CIFA
Correct Answer:- Option-C
Question22:-The main bottleneck for seabass culture is
A:-Euryhaline nature
B:-Cannibalism
C:-Availability of quality water
D:-Low demand
Correct Answer:- Option-B
Question23:-Find out the false statements about RAS.
A:-Uses limited space
B:-Uses less feed
C:-Uses limited water
D:-High power requirement
Correct Answer:- Option-B
Question24:- is an endoparasite disease.
A:-Icthyophtheriasis
B:-Costiasis
C:-Whirling disease
D:-Learniasis
Correct Answer:- Option-C

Question25:-A coir mat is placed below the water, nearly 30 cm above the bottom of the pond, in order to accelerate the
growth of , the favourite food of Chanos.

A:-Green algae

B:-Mysids

C:-Lab-Lab

D:-Rotifer

Correct Answer:- Option-C
Question26:-The aquatic area from the low tide line up to territorial limits is classified as

A:-CRZ-1

B:-CRZ-2

C:-CRZ-3

D:-CRZ-4

Correct Answer:- Option-D
Question27:- is a stenohaline fish

A:-Milk fish