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Anatomy and Physiology of Earthworms Quiz

#1

What is the primary function of the earthworm's nephridia?

To excrete waste products
Explanation

Excretion of waste in earthworms.

#2

Which of the following is NOT a segment of an earthworm's body?

Mandible
Explanation

Mandible is not a segment of an earthworm; it's a jaw-like structure.

#3

What is the name of the respiratory organ in earthworms?

Skin
Explanation

Skin serves as the respiratory organ in earthworms.

#4

Which enzyme is responsible for breaking down food in the earthworm's digestive system?

Pepsin
Explanation

Pepsin is the enzyme responsible for food breakdown in earthworms.

#5

Which of the following is NOT a characteristic of earthworms?

They have an exoskeleton
Explanation

Earthworms lack an exoskeleton as a characteristic.

#6

What is the function of the earthworm's clitellum?

Reproduction
Explanation

Clitellum is involved in the reproduction process of earthworms.

#7

Which type of circulatory system do earthworms possess?

Open circulatory system
Explanation

Earthworms have an open circulatory system for blood circulation.

#8

What is the function of the earthworm's crop?

Storage of food
Explanation

Crop serves as a storage organ for food in earthworms.

#9

What is the function of setae in earthworms?

To assist in locomotion
Explanation

Setae assist in earthworm locomotion.

#10

Which part of the earthworm's digestive system is responsible for grinding food?

Gizzard
Explanation

Gizzard grinds food in the earthworm's digestive process.

#11

Which of the following is a method of locomotion used by earthworms?

Peristalsis
Explanation

Earthworms move using the peristalsis method.

#12

What is the purpose of the earthworm's dorsal blood vessel?

To transport deoxygenated blood
Explanation

Dorsal blood vessel transports deoxygenated blood in earthworms.

#13

Which part of the earthworm's nervous system controls movement and coordination?

Ventral nerve cord
Explanation

Ventral nerve cord controls movement and coordination in earthworms.

#14

What is the scientific name for earthworms?

Oligochaeta
Explanation

Earthworms belong to the scientific class Oligochaeta.

#15

What is the function of the earthworm's typhlosole?

Absorption
Explanation

Typhlosole is involved in the absorption process in earthworms.

#16

Which of the following is true regarding earthworm reproduction?

Earthworms can reproduce both sexually and asexually
Explanation

Earthworms can reproduce through both sexual and asexual means.

#17

What is the function of the earthworm's pharynx?

Food intake
Explanation

Pharynx is involved in the food intake process in earthworms.

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