Quiz - Basics Of Aquaculture

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| By Chetanya Rajput
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Chetanya Rajput
Community Contributor
Quizzes Created: 1 | Total Attempts: 242
Questions: 9 | Attempts: 244

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Quiz - Basics Of Aquaculture - Quiz


Questions and Answers
  • 1. 

    What is the most favorable temperature for aquaculture?

    • A.

      10-14 Degree (in Cold Weather) and 20-24 Degree (in Hot Weather)

    • B.

      14-18 Degree (in Cold Weather) and 24-30 Degree (in Hot Weather)

    • C.

      13 Degree (in Cold Weather) and 23 Degree (in Hot Weather)

    • D.

      18-22 Degree (in Cold Weather) and 30-34 Degree (in Hot Weather)

    Correct Answer
    B. 14-18 Degree (in Cold Weather) and 24-30 Degree (in Hot Weather)
    Explanation
    Aquaculture refers to the farming of aquatic organisms, such as fish, shellfish, and aquatic plants. The most favorable temperature for aquaculture depends on the specific species being cultivated. However, in general, the temperature range of 14-18 degrees Celsius in cold weather and 24-30 degrees Celsius in hot weather is considered ideal for aquaculture. These temperature ranges provide a suitable environment for the growth, reproduction, and overall health of the aquatic organisms being farmed.

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  • 2. 

    Name the fish comes under Indian Major Carp?

    • A.

      Mangur, Rohu, Tilipia

    • B.

      Rohu, Catla, Catfish

    • C.

      Rohu, Catla, Mrigal

    • D.

      Rohu, Catla, Mangur

    Correct Answer
    C. Rohu, Catla, Mrigal
    Explanation
    The Indian Major Carp includes three fish species: Rohu, Catla, and Mrigal. These fish are commonly found in Indian rivers and are important in the aquaculture industry. Mangur and Tilapia are not considered Indian Major Carp.

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  • 3. 

    What should be the ideal pH level of water?

    • A.

      7-9

    • B.

      5-7

    • C.

      6-7

    • D.

      10-12

    Correct Answer
    A. 7-9
    Explanation
    The ideal pH level of water should be between 7-9. This range is considered neutral to slightly alkaline, which is suitable for most aquatic organisms and ensures the water is not too acidic or basic. pH levels outside of this range can be harmful to aquatic life and can also affect the solubility of minerals and chemicals in the water.

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  • 4. 

    What is time period of bottom pond drying?

    • A.

      1-2 weeks

    • B.

      2 weeks

    • C.

      2-3 weeks

    • D.

      3-4 weeks

    Correct Answer
    C. 2-3 weeks
    Explanation
    The time period of bottom pond drying is estimated to be around 2-3 weeks. This suggests that it takes approximately 2-3 weeks for the bottom pond to completely dry up.

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  • 5. 

    High ammonia level leads more mortality of fish?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    High ammonia levels in water can be toxic to fish. Ammonia is produced by fish waste and decaying organic matter. When ammonia levels are high, it can cause stress and damage to the gills of fish, leading to respiratory problems and a weakened immune system. This makes the fish more susceptible to diseases and infections, ultimately increasing the mortality rate. Therefore, it is true that high ammonia levels can lead to more fish mortality.

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  • 6. 

    DO level (dissolved oxygen) should be 5mg/l water?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The dissolved oxygen (DO) level in water should ideally be around 5mg/l. This is because aquatic organisms such as fish and other marine life require a certain amount of oxygen to survive. If the DO level is too low, it can lead to a decrease in the oxygen available for these organisms, which can result in their suffocation and death. Therefore, maintaining a DO level of 5mg/l is important to support the ecosystem and ensure the survival of aquatic life.

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  • 7. 

    Argulus is type of.....?

    • A.

      Fish

    • B.

      Ectoparasite

    • C.

      Shrimp

    • D.

      Bacteria

    Correct Answer
    B. Ectoparasite
    Explanation
    Argulus is a type of ectoparasite. Ectoparasites are organisms that live on the external surface of a host organism and derive their nourishment from the host. Argulus, commonly known as fish lice, are small crustaceans that attach themselves to the skin of fish and feed on their blood. They can cause irritation, wounds, and even transmit diseases to the fish. Therefore, the correct answer is ectoparasite.

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  • 8. 

    Identify the fish?

    • A.

      Indian Major Carp

    • B.

      Catfish

    • C.

      Tilipia

    • D.

      Shrimp

    Correct Answer
    A. Indian Major Carp
    Explanation
    The correct answer is Indian Major Carp. This fish is commonly found in India and is a popular choice for consumption. It is known for its large size and is an important fish in the aquaculture industry. Indian Major Carp is also known for its delicious taste and is often used in various traditional Indian dishes.

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  • 9. 

    Identify the following Aqua creature

    • A.

      Indian Major Carp

    • B.

      Pangasius

    • C.

      African Catfish/Mangur

    • D.

      Shrimp

    Correct Answer
    C. African Catfish/Mangur
    Explanation
    The correct answer is African Catfish/Mangur. African Catfish, also known as Mangur, is a type of aqua creature. It is a freshwater fish that is native to Africa. It is a popular choice for aquaculture due to its fast growth rate and high adaptability to various environmental conditions. African Catfish is known for its ability to survive in low oxygen levels and can tolerate a wide range of water temperatures. It is an important food fish and is also used for recreational fishing.

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