Dorsal pores in Pheretima are openings of:
A.Nephridia
B.Coelomic cavity
C.Digestive canal
D.None of these
Category: Phylum Annelida Mcqs
Who named annelida first?
A.Linnaeus
B.Lamarck
C.Dales
D.Schwann
Structures typically found in every segment of earthworm are:
A.Ganglia
B.Lateral hearts
C.Gerutal duct
D.Septal nephridia
Earthworms increase fertility of soil by:
A.Killing bacteria
B.Adding nitrogenous wastes
C.Turning over the soil
D.By burrowing
Clitellum produces:
A.Larva
B.Young animal
C.Cocoon
D.Excretory product
Stomach in earthworm is found in the segments:
A.3 ? 8
B.4 ? 9
C.9 ? 14
D.At none of the ends
Coelomic fluid in earthworm is:
A.Acidic
B.Neutral
C.Alkaline
D.Of variable pH
Number of body segments is fixed in:
A.Eathworms
B.Leeches
C.Tape-worms
D.None of these
A clitellum is found in:
A.Earthworm
B.Leech
C.Both (a) & (b)
D.None of these
Ring-like divisions over the body of earthworm are called:
A.Metameres
B.Sarcomeres
C.Blastomeres
D.None of these
