Multiple Choice Questions On Annelids! Quiz

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Questions: 10 | Attempts: 2,582 | Updated: Mar 22, 2023

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Multiple Choice Questions On Annelids! Quiz - Quiz

The best "Multiple Choice Questions On Annelids! Quiz" is waiting for you. Annelids are all bilaterally symmetrical animals. They range in size from much less than 1 mm in length to more than 3 m. The smallest annelids described to date would appear to be reaching only a few hundred microns in length. The multiple quiz test below is designed to test your knowledge of this species. Best of luck!

Questions and Answers

1.

A pharynx is a muscular tube near the mouth of the annelid.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The statement is true because a pharynx is indeed a muscular tube located near the mouth of an annelid. The pharynx plays a crucial role in the digestive system of annelids by helping in the intake and processing of food.

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3
2.

Food travels like this : esophagus (pharynx) -> crop -> gizzard -> intestine -> coelom
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The given statement is true. The explanation is that food travels through the esophagus, which is connected to the pharynx. From there, it moves to the crop, which is a storage organ in some animals. Next, it enters the gizzard, which helps in grinding and breaking down the food. After that, it moves into the intestine, where further digestion and absorption take place. Finally, the digested food enters the coelom, which is the body cavity where nutrients are distributed to the rest of the body.

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1
3.

Annelids can breathe like this (check all that apply)
- A.
  
  Through noses
- B.
  
  Through their skin
- C.
  
  Through gills
- D.
  
  Through their brains
Correct Answer(s)
B. Through their skin
C. Through gills

Explanation
Annelids can breathe through their skin because their skin is thin and moist, allowing oxygen to diffuse into their bodies. They can also breathe through gills, which are specialized structures that extract oxygen from water. However, they cannot breathe through their noses or brains as these organs are not involved in the respiratory process.

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1
4.

Longitudinal muscles stretch an annelid's body to make it ____________________.
- A.
  
  Shorter and fatter
- B.
  
  Longer and thinner
- C.
  
  Longer and fatter
- D.
  
  Fatter and thinner
Correct Answer
A. Shorter and fatter

Explanation
Longitudinal muscles in annelids contract and shorten the body, causing it to become shorter. At the same time, these muscles also thicken and increase in diameter, making the body fatter. Therefore, the correct answer is "Shorter and fatter."

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5.

Circular muscles stretch an annelid's body to make it ____________________.
- A.
  
  Shorter and fatter
- B.
  
  Longer and thinner
- C.
  
  Longer and fatter
- D.
  
  Shorter and thinner
Correct Answer
B. Longer and thinner

Explanation
Circular muscles in annelids contract, causing the body to elongate and become thinner. This is because when the circular muscles contract, they constrict the body in a circular motion, resulting in the stretching and elongation of the body. As a result, the annelid becomes longer and thinner in shape.

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1
6.

Aquatic annelids use parapodia to move through water.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Aquatic annelids, such as leeches and marine worms, use parapodia to move through water. Parapodia are fleshy appendages that extend from the sides of the annelid's body. These structures are equipped with bristles, called setae, which help the annelids to anchor themselves and propel forward in the water. The parapodia also provide a larger surface area for increased locomotion and better control of movement. Therefore, the statement "Aquatic annelids use parapodia to move through water" is true.

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4
7.

Annelids _________________.(check all that apply)
- A.
  
  Undergo sexual reproduction
- B.
  
  Undergo self-fertilization
- C.
  
  Like to dance
- D.
  
  Like to fly
Correct Answer(s)
A. Undergo sexual reproduction
B. Undergo self-fertilization

Explanation
Annelids are a phylum of worms that includes earthworms and leeches. They are known to undergo sexual reproduction, where two individuals exchange genetic material to produce offspring. Additionally, some species of annelids also have the ability to undergo self-fertilization, where an individual can fertilize its own eggs. This allows them to reproduce even in the absence of a mate. Therefore, the correct answers for this question are "undergo sexual reproduction" and "undergo self-fertilization".

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8.

Annelids can live in _____________. (check all that apply)
- A.
  
  Saltwater
- B.
  
  The sky
- C.
  
  Fresh Water
- D.
  
  Soil
Correct Answer(s)
A. Saltwater
C. Fresh Water
D. Soil

Explanation
Annelids, which include earthworms and leeches, are known to be able to live in saltwater, fresh water, and soil. They are adaptable creatures that can thrive in various environments, including aquatic habitats like saltwater and fresh water, as well as terrestrial habitats like soil. This adaptability allows them to occupy a wide range of ecosystems and play important roles in nutrient recycling and soil health.

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9.

Annelids have an open circulatory system.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Annelids actually have a closed circulatory system. In a closed circulatory system, the blood flows through a network of vessels and is contained within the vessels at all times. This allows for more efficient transport of oxygen and nutrients throughout the body. Annelids, such as earthworms, have a series of vessels that carry blood and a pumping organ called the aortic arches to help circulate the blood. Therefore, the statement that Annelids have an open circulatory system is false.

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10.

Examples of annelids are: (check all that apply)
- A.
  
  Leeches
- B.
  
  Earthworms
- C.
  
  Birds
- D.
  
  Sandworms
- E.
  
  Ants
Correct Answer(s)
A. Leeches
B. Earthworms
D. Sandworms

Explanation
Annelids are a phylum of segmented worms. Leeches, earthworms, and sandworms are all examples of annelids. Leeches are blood-sucking parasites that belong to the class Hirudinea. Earthworms are commonly found in soil and belong to the class Oligochaeta. Sandworms are marine worms that live in sandy sediments and belong to the class Polychaeta. Birds, ants, and other insects are not annelids and do not belong to this phylum.

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1

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Current Version
Mar 22, 2023

Quiz Edited by
ProProfs Editorial Team
Nov 09, 2011

Quiz Created by
Rituroh323

Multiple Choice Questions On Annelids! Quiz

A pharynx is a muscular tube near the mouth of the annelid.

Food travels like this : esophagus (pharynx) -> crop -> gizzard -> intestine -> coelom

Annelids can breathe like this (check all that apply)

Longitudinal muscles stretch an annelid's body to make it ____________________.

Circular muscles stretch an annelid's body to make it ____________________.

Aquatic annelids use parapodia to move through water.

Annelids _________________.(check all that apply)

Annelids can live in _____________. (check all that apply)

Annelids have an open circulatory system.

Examples of annelids are: (check all that apply)