Special modification of Ascaris to its parasitic node of life is:
A.Segmented body
B.Resistant cuticle on body surface
C.Straight and uncoiled alimentary canal
D.None of these
Category: Nemathelminthes Mcqs
Female Ascaris can be identified by the:
A.Straight posterior end and anus
B.Cloacal aperture
C.Two pineal setae and cloaca
D.Pre and postanal papillae
With reference to parasitism, the round worm (Ascaris) may be regarded as specialized animal and not a degenerated one because of the fact that it is:
A.Dioecious animal
B.Having no respiratory system
C.Provided with a tough and resistant cuticle
D.Provided with straight alimentary canal with mouth and anus
Cuticle of Ascaris is made up of:
A.Cortex made of karatin
B.Matrix made of matricin
C.Fibrous layer of collagen and basement layer
D.All of them
Male and Female Ascaris respectively have:
A.Two testes and one ovary
B.One testes and two ovary
C.Two testes and two ovary
D.One testes and one ovary
Nematodes are characterized by the presence of:
A.True coelom
B.Pseudocoel
C.Segmentation
D.None of these
A male Ascaris can be recognized from a female by:
A.Small body size
B.Small body, cloaca and curved post end
C.Small body, cloaca, pineal spicules and curved posterior end
D.None of these features
In which of these sexual dimorphism is found:
A.Ascaris
B.Fasciola
C.Taenia
D.All of these
Excretory organs in Ascaris are:
A.Flame cells
B.Renette cell
C.Nephridia
D.Malpighian tubules
Second instar larva in Ascaris is found in:
A.Human lungs
B.Human intestine
C.Human liver
D.Embryonate eggs
