Aquaculture

Q. Fisheries involve catching and selling of fish, prawns and other aquatic animals.

1. True
2. False

Q. Fishes breed during summer.

1. True
2. False

Q. Which of the following is/are product(s) of fishing industry?

1. Oil
2. Fertiliser
3. Shagreen
4. Fish glue

Q.

Are Gram-negative bacteria harmful?

Q. Which of the following is (are) a product of fishing industry?

1. Shagreen
2. Isinglass
3. All of the above
4. Oil
5. Fertiliser

Q. What is the meaning of the term "aquaculture"? Name any three animals which can be cultured by this method. <!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> [Review Questions - Pg No.95 - LAQ - 4]

Q.

Pisciculture involves rearing of _________ .

Q. Identify true and false fish. Mention the group to which they belong.(a) Jelly fish
(b) Silver fish
(c) Cuttle fish
(d) Globe fish
(e)Dog fish

Q. ________ and ___________ fish can be used in composite fish culture.​

1. Common fish, mrigal​
2. Catla, silver carp​
3. Catla, rohu​

Q. Fishing in inland water bodies is more yielding than marine water bodies.

1. True
2. False

Q. On a sunday evening, Gopika with her family went to see a fish harbour. She saw two fisherman trying to unload the fishes from their boats and she noticed that, only marine fishes are present in one boat and on the other one it was a mixture of both marine and fresh water fishes. Where might be the later one went for fishing?

1. Sea
2. River
3. Lake
4. Estuaries

Q. Choose the correct option with respect to the fishes and their feeding habits.

$\begin{array}{cc}\text{Column A}& \text{Column B}\\ \left(a\right)\text{Catla}& \left(i\right)\text{Bottom feeder}\\ \left(b\right)\text{Rohu}& \left(ii\right)\text{Middle zone feeder}\\ \left(c\right)\text{Mrigal}& \left(iii\right)\text{Surface feeder}\end{array}$

1. a - i, b - ii, c - iii
2. a - i, b - iii, c - ii
3. a - iii, b - ii, c - i
4. a - iii, b - i, c - ii

Q.

People in Indonesia practice Paddy fish culture to a greater extent. Explain its advantages?

Q. Which of the following are exotic breeds of cattle?

1. (i) and (iii)
2. (ii) and (iii)
3. (i) and (iv)
4. (ii) and (iv)

Q. Which of the following refers to inland fisheries?

1. Deep sea fisheries
2. Culturing fish in fresh water
3. Trapping and capturing fish from sea coast
4. Extraction of oil from fishes

Q. Which one of the following is a Marine fish?

1. Hilsa
2. Common carp
3. Rohu
4. Catla

Q. Catla and rohu are examples of _____________.

1. Freshwater fish
2. Marine fish
3. Brackish water fish
4. None of these

Q. Which of the following is/are the product/products of fishing industry?

1. Oil
2. Fertiliser
3. Shagreen
4. Isinglass

Q. Find a correct word with respect to the images.

1. 
2. 
3. 
4. 

Q. Houseflies can transmit cholera.

1. True
2. False

Q. Popular ____ varieties include pomphret, mackerel, tuna, sardines, and Bombay duck

Q. Pisciculture is the rearing and breeding of fishes under controlled conditions.

1. False
2. True

Q. 'Blue Revolution' is related with .

1. bee farming
2. fish farming
3. cattle farming
4. poultry farming

Q. Aquaculture refers to the production or farming of prawns, lobsters, molluscs, etc.

1. False
2. True

Q. Which of the following is (are) a product of fishing industry?

1. Fertiliser
2. All of the above
3. Oil
4. Shagreen
5. Isinglass

Q. Choose the correct pairing of fish and its feeding zone from the choices given below.

1. Rohu- Bottom Zone
2. Catla- Middle Zone
3. Common carp- Bottom Zone
4. Mrigal- Surface Zone

Q. In which of the following habitats do Catla and Rohu inhabit?

1. Oceans
2. Lagoons
3. Fresh water
4. Estuaries

Q. Which among the following belongs to the exotic breed of cattle?

1. Jersey
2. Red Sindhi
3. Sahiwal
4. Gir

Q. A junction where the freshwater of river meets sea water is called an estuary.

1. True
2. False

Q. Which of the following is called the surface feeder?

1. Rohu
2. Mrigal
3. Grass carp
4. Catla