#1
What is the primary function of the earthworm's nephridia?
To excrete waste products
ExplanationExcretion of waste in earthworms.
#2
Which of the following is NOT a segment of an earthworm's body?
Mandible
ExplanationMandible 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
ExplanationSkin serves as the respiratory organ in earthworms.
#4
Which enzyme is responsible for breaking down food in the earthworm's digestive system?
Pepsin
ExplanationPepsin is the enzyme responsible for food breakdown in earthworms.
#5
Which of the following is NOT a characteristic of earthworms?
They have an exoskeleton
ExplanationEarthworms lack an exoskeleton as a characteristic.
#6
What is the function of the earthworm's clitellum?
Reproduction
ExplanationClitellum is involved in the reproduction process of earthworms.
#7
Which type of circulatory system do earthworms possess?
Open circulatory system
ExplanationEarthworms have an open circulatory system for blood circulation.
#8
What is the function of the earthworm's crop?
Storage of food
ExplanationCrop serves as a storage organ for food in earthworms.
#9
What is the function of setae in earthworms?
To assist in locomotion
ExplanationSetae assist in earthworm locomotion.
#10
Which part of the earthworm's digestive system is responsible for grinding food?
Gizzard
ExplanationGizzard grinds food in the earthworm's digestive process.
#11
Which of the following is a method of locomotion used by earthworms?
Peristalsis
ExplanationEarthworms move using the peristalsis method.
#12
What is the purpose of the earthworm's dorsal blood vessel?
To transport deoxygenated blood
ExplanationDorsal blood vessel transports deoxygenated blood in earthworms.
#13
Which part of the earthworm's nervous system controls movement and coordination?
Ventral nerve cord
ExplanationVentral nerve cord controls movement and coordination in earthworms.
#14
What is the scientific name for earthworms?
Oligochaeta
ExplanationEarthworms belong to the scientific class Oligochaeta.
#15
What is the function of the earthworm's typhlosole?
Absorption
ExplanationTyphlosole 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
ExplanationEarthworms can reproduce through both sexual and asexual means.
#17
What is the function of the earthworm's pharynx?
Food intake
ExplanationPharynx is involved in the food intake process in earthworms.