Coastal Fisheries

Q.

What do you mean by exotic fishes? Name three important exotic fishes that are being cultured in India.

Q. Among the following edible fishes which one is a marine fish having rich source of omega-3 fatty acids.

1. Mackerel
2. Mangur
3. Mrigula
4. Mystus

Q. Fisheries near the Sea shore are called ___ fisheries.

Q.

Which one of the following is an exotic fish variety?

1. Silver carp

2. Rohu

3. Catla

4. Magur

Q.

Which one of the following is an exotic fish variety?

1. Silver carp

2. Rohu

3. Catla

4. Mangur

Q. Name three common fresh water and three marine edible fishes.

Q. Match column I with column II and select the correct option.

Column I	Column II
A. Mackerel	1. Liver oil
B. Common carp	2. Marine fish
C. Cod	3. Shellfish
D. Crab	4. Freshwater fish

1. A - 2, B - 4, C - 1, D - 3
2. A - 3, B - 2, C - 1, D - 4
3. A - 2, B - 3, C - 4, D - 1
4. A - 1, B - 2, C - 3, D - 4

Q. Fisheries near the Sea shore are called ___ fisheries.

Q. Grey mullets are called as

1. Madavai
2. Vavva
3. Milk fish
4. Koduva

Q.

Mullets are marine fish farmed in seawater.

1. True
2. False

Q. Of all the carps, which is considered as the tastiest fish?

1. Catla catla
2. Labeo rohita
3. Cirrhina mrigala
4. Channa marulius

Q. Which among the following is a freshwater fish, with high nutritional value?

1. Tuna
2. Catfish
3. Mackerel
4. Shark

Q.
Answer the following question:
Name four varieties of edible fishes of India.

Q. Fishes reared in culture fishery in India are

1. Salmon and rohu
2. Catla and magur
3. Rohu and catla
4. Salmon and catla

Q. Fish introduced in India by foreigners is ...............

1. Labeo rohita
2. Mystus singhala
3. Pompret
4. Clarius batrachus

Q. What do you mean by exotic fishes? Name three important exotic fishes that are being cultured in India.

Q. Think about all the foodstuff obtained from the sea. Find more information and write ten lines about them.

Q. Which fish keeps the fertilized eggs guarded in its mouth?

1. Rohu
2. Thilapia
3. Platty
4. Mirgal

Q. Three carp fish Catla, Labeo and Cirrhina can be grown together in the same pond more economically as they have ............................

1. Positive interactions
2. Symbiosis
3. No competition for food
4. Commensalism

Q. Why are elasmobranchs not used as food fishes?

Q. Fishes having swim bladder , which do not have direct
communication with the exterior and where resorbent and
secretory part is not sharply separated from one another are
called as

1. Physostomes
2. Physoclists
3. Euphysoclists
4. Paraphysoclists

Q. Write the characteristics of Channa marulius.