Fishery

Q.

Define pisciculture.

Q.

What are the advantages for composite fish culture?

Q.

Question 9
How do you differentiate between capture fishing, mariculture and aquaculture?

Q. In fisheries, the term fish seed refers to_____________.

1. the spawn stage (fertilized developing stage)
2. the hatchling stage (just hatched young ones)
3. the fry stage ( slightly older young ones)
4. All the above

Q.

What is fumigation

Q.

What will happen If a Marine fish is placed in freshwater?

Q. Which of the following is not a freshwater fish?

1. $Labeo$ $rohita$
2. $Labeo$ $calbasu$
3. Mackerel
4. $Clarias$ $batrachus$

Q.

For increasing production, what is common in poultry, fisheries, and bee-keeping?

Q.

Name two by products of fisheries.

Q.

The process of obtaining fish from natural resources is known as ______.

Q.

What are the different types of methods to obtain fishes?

1. Capture fishing

2. Culture fishing

3. By using cages

4. By using bow and arrow

Q.

Mantion four advantages of fishery.

Q.

Question 2
What are the advantages of composite fish culture?

Q. Identify the hormone which is not a synthetic hormone that is used during induced breeding.

1. Ovatide
2. Ovaprim
3. NAA
4. Nova

Q.

Blue Revolution Is Related To

Q. Culturing fish along with agricultural crop is referred to as___________.

1. Composite fish culture
2. Polyculture of fish
3. Integrated fish culture
4. Mariculture

Q.

The carnivorous fish Gambusia, introduced in the lakes, ponds, etc., control a deadly disease in India, feeds on the larvae of

1. Nepenthes

2. Dragonfly

3. Anopheles

4. All of these

Q. Ram wants to culture different species of fishes together in a single pond. So, he cultured five species of fishes that feed on different zones of the pond as shown in the depicted figure. Identify the other three species of fishes A, B and C in the given figure.

1. $\begin{array}{ccc}A& B& C\\ \text{Silver cap}& \text{Mrigals}& \text{Rohu}\end{array}$
2. $\begin{array}{ccc}A& B& C\\ \text{Rohu}& \text{Silver cap}& \text{Mrigals}\end{array}$
3. $\begin{array}{ccc}A& B& C\\ \text{Silver cap}& \text{Rohu}& \text{Mrigals}\end{array}$
4. $\begin{array}{ccc}A& B& C\\ \text{Mrigals}& \text{Silver cap}& \text{Rohu}\end{array}$

Q. Direction: Choose the correct option:

Assertion (A): Composite fish culture involves the cultivation of different varieties of fish having same feeding habits.
Reason (R): Different varieties of fish utilize different areas of the same pond for their feed.

1. Assertion(A) is true and reason(R) is false.
2. Both assertion(A) and reason(R) are true and reason(R) is the correct explanation for assertion(A).
3. Assertion(A) is false and reason(R) is true
4. Both assertion(A) and reason(R) are true, but reason(R) is not the correct explanation for assertion

Q.

Which one of the following combinations is most suitable for composite fish culture?

1. Surface feeders and bottom feeders

2. Middle zone feeders and bottom feeders

3. Surface feeders only

4. Surface feeders, middle zone feeders, and bottom feeders

Q.

Name two types of fisheries.

Q.

How are fishes obtained?

1. Capture fishing
2. Culture fishing
3. By using nets
4. By using bow and arrow.

Q.

A doctor advised a patient to increase intake of a particular vitamin in his diet to improve his vision in dim light .name the vitamin and one food item that is its rich source.

Q.

Which of the following is a freshwater prawn?

1. Leather

2. Milk

3. Egg

4. Meat

Q. Select correct statements regarding attributes of composite fish culture.
Statement 1: Combination of five to six species of fish is used.
Statement 2: Fishes do not compete with each other for food.
Statement 3: Nutrients present at all the levels of the pond are used.
Statement 4: All the fishes are reared in a different pond.

1. Statements 1, 2, and 3 are correct.
2. Statements 1, 2, and 4 are correct.
3. Statements 1, 3, and 4 are correct.
4. Statements 2, 3, and 4 are correct.

Q. What do you understand by composite fish culture?

Q.

Name the most advantageous fish culture system.

Q.

Fill in the blanks.​

The process of obtaining fish from natural resources is known as

Q. Identify the statement that is not true for aquaculture

1. It is the production of economically useful aquatic plants and animals by utilization of available water.
2. It includes only mariculture.
3. It includes both mariculture and freshwater culture fisheries.
4. In aquaculture fish, prawns, lobsters, crabs, mussels and oysters are cultured along with seaweeds.

Q.

Mineral salts are required by the body for

1. Growth and repair

2. Providing energy

3. Healthy teeth and strong bones

4. Proper functioning of intestines