Indian Mollusks

Description: This quiz will test your knowledge about the fascinating world of Indian Mollusks. From their unique adaptations to their ecological significance, get ready to dive into the realm of these incredible creatures.
Number of Questions: 15
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Tags: indian mollusks marine biology biodiversity invertebrates
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Which of the following is a characteristic feature of Indian Mollusks?

  1. They possess a hard outer shell.

  2. They have a soft, unsegmented body.

  3. They exhibit bilateral symmetry.

  4. All of the above.


Correct Option: D
Explanation:

Indian Mollusks are characterized by a hard outer shell, a soft, unsegmented body, and bilateral symmetry.

Which Indian Mollusk species is commonly known as the 'Sacred Chank'?

  1. Turbinella pyrum

  2. Nautilus pompilius

  3. Sepia aculeata

  4. Crassostrea madrasensis


Correct Option: A
Explanation:

Turbinella pyrum, commonly known as the 'Sacred Chank', holds religious and cultural significance in India.

What is the primary function of the radula in Indian Mollusks?

  1. Defense against predators

  2. Sensing the environment

  3. Feeding and scraping food

  4. Reproduction


Correct Option: C
Explanation:

The radula in Indian Mollusks is a specialized rasping tongue used for feeding and scraping food.

Which Indian Mollusk species is known for its ability to produce pearls?

  1. Pinctada fucata

  2. Haliotis asinina

  3. Murex trapa

  4. Sepia pharaonis


Correct Option: A
Explanation:

Pinctada fucata, commonly known as the 'Pearl Oyster', is renowned for its ability to produce pearls.

What is the largest Indian Mollusk species?

  1. Architeuthis dux

  2. Nautilus pompilius

  3. Sepia aculeata

  4. Crassostrea madrasensis


Correct Option: A
Explanation:

Architeuthis dux, also known as the 'Giant Squid', is the largest Indian Mollusk species.

Which Indian Mollusk species is commonly used in traditional medicine?

  1. Conus marmoreus

  2. Haliotis asinina

  3. Murex trapa

  4. Sepia pharaonis


Correct Option: A
Explanation:

Conus marmoreus, commonly known as the 'Marbled Cone', is used in traditional medicine for its potential medicinal properties.

What is the primary habitat of Indian Mollusks?

  1. Freshwater ecosystems

  2. Marine ecosystems

  3. Terrestrial ecosystems

  4. Both freshwater and marine ecosystems


Correct Option: D
Explanation:

Indian Mollusks can be found in both freshwater and marine ecosystems.

Which Indian Mollusk species is known for its venomous sting?

  1. Conus geographus

  2. Nautilus pompilius

  3. Sepia aculeata

  4. Crassostrea madrasensis


Correct Option: A
Explanation:

Conus geographus, also known as the 'Geography Cone', is a venomous species known for its potent sting.

What is the ecological significance of Indian Mollusks?

  1. They serve as a food source for various marine organisms.

  2. They contribute to nutrient cycling and decomposition.

  3. They provide habitat and shelter for other marine creatures.

  4. All of the above.


Correct Option: D
Explanation:

Indian Mollusks play a vital role in the marine ecosystem, serving as a food source, contributing to nutrient cycling, and providing habitat for other organisms.

Which Indian Mollusk species is commonly used as a food source?

  1. Crassostrea madrasensis

  2. Haliotis asinina

  3. Murex trapa

  4. Sepia pharaonis


Correct Option: A
Explanation:

Crassostrea madrasensis, commonly known as the 'Indian Rock Oyster', is a popular food source in India.

What is the conservation status of Indian Mollusks?

  1. Many species are threatened or endangered.

  2. Most species are stable and well-protected.

  3. There is not enough information to determine their conservation status.

  4. None of the above.


Correct Option: A
Explanation:

Unfortunately, many Indian Mollusk species are facing threats due to habitat loss, overexploitation, and pollution.

Which Indian Mollusk species is known for its unique ability to change color?

  1. Sepia pharaonis

  2. Nautilus pompilius

  3. Murex trapa

  4. Haliotis asinina


Correct Option: A
Explanation:

Sepia pharaonis, commonly known as the 'Pharaoh Cuttlefish', has the remarkable ability to change its color and texture to blend with its surroundings.

What is the role of Indian Mollusks in the marine food chain?

  1. They are primary consumers.

  2. They are secondary consumers.

  3. They are tertiary consumers.

  4. They occupy various trophic levels.


Correct Option: D
Explanation:

Indian Mollusks occupy various trophic levels, ranging from primary consumers to tertiary consumers, depending on their species and diet.

Which Indian Mollusk species is known for its spiral-shaped shell?

  1. Nautilus pompilius

  2. Conus marmoreus

  3. Murex trapa

  4. Sepia pharaonis


Correct Option: A
Explanation:

Nautilus pompilius, commonly known as the 'Chambered Nautilus', is renowned for its distinctive spiral-shaped shell.

What are some of the threats faced by Indian Mollusks?

  1. Habitat destruction and degradation

  2. Overexploitation and unsustainable harvesting

  3. Pollution and contamination

  4. All of the above.


Correct Option: D
Explanation:

Indian Mollusks face a combination of threats, including habitat destruction, overexploitation, and pollution.

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