MCQ Bank
In Annelids, setae generally arises from __________.
- A) Prostomium
- B) Lateral surface
- C) Dorsal surface
- D) Ventral surface
Annelids can be found in _____________ ecosystem.
- A) Marine
- B) Terrestrial
- C) All
- D) Freshwater
The __________ alimentary canal is the distinguishing feature in nematodes.
- A) Complete
- B) Incomplete
- C) Absent
- D) Indistinct
Plexippus petersi belongs to Sub phylum __________ of Phylum Arthropoda.
- A) Pycnogonida
- B) Chelicerata
- C) Tardigerada
- D) Mandibulata
The ambulacral system is found in Phylum ____________.
- A) Porifera
- B) Annelida
- C) Echinodermata
- D) Mollusca
The meaning of the term "Arthropoda" in Greek is ______________.
- A) Insect diversity
- B) Jointed legs
- C) Thick cuticle
- D) Paired appendages
The body of echinoderms contain _____________.
- A) Plasma
- B) Hemolymph
- C) Water vascular system
- D) Water canal system
The circulatory system in mollusks is ___________.
- A) Hemoglobin type
- B) Absent
- C) Close type
- D) Open type
Metamerically segmented body in Phylum Annelida means _______________.
- A) Segments are not externally visible
- B) Each segment has complete organ systems
- C) Body segments lack differentiation
- D) Each segment has incomplete organ systems
The main function of the cuticle in nematodes is ___________.
- A) Locomotion
- B) Gaseous exchange
- C) All of given options
- D) Protection
There are ________ classes in Phylum Mollusca.
- A) 4
- B) 5
- C) 7
- D) 3
Generally, respiration in annelids occurs through _____________.
- A) Body surface
- B) Lungs
- C) Book lungs
- D) Cellular respiration
Mollusks typically achieve locomotion through ______________.
- A) Tentacles
- B) Visceral mass
- C) Muscular foot
- D) Radula
The locomotion in echinoderms typically occurs through ____________.
- A) Tube feet
- B) Lobopodia
- C) Muscular foot
- D) Parapodia
__________ is the primary organ of excretion in arthropods.
- A) Malpighian tubules
- B) Coelomoduct
- C) Protonephridia
- D) Nephridia
___________ is the characteristic of the body covering in nematodes.
- A) Chitin
- B) Exoskeleton
- C) Scales
- D) Cuticle
The members of Phylum Echinodermata are exclusively ___________.
- A) Marine
- B) Terrestrial
- C) Parasitic
- D) Freshwater
The larva in molluscs is typically called ____________ larva.
- A) Veliger
- B) Planula
- C) Trochophore
- D) Caterpillar
How does the body structure of nematodes contribute to their adaptability to diverse environments?
- A) Cylindrical shape for efficient movement
- B) Tough and flexible cuticle for protection
- C) Thick skin for insulation
- D) Segmented body for flexibility
There are __________ classes in Phylum Echinodermata.
- A) 4
- B) 3
- C) 7
- D) 5