.A thick layer of cuticle on the surface of Ascaris indicates
1.Reproduction
2.Growth
3.Parasitism
4.Evolution
.Hookworm feeds on
1.Semidigested food
2.Undigested food
3.Digested food
4.Mucous membrane and blood
.Size of Hookworm is
1.8 � 11 mm in male and 10 � 13 mm in female
2.11 � 15 mm in male and 13 � 20 mm in female
3.15 � 20 mm in male and 20 � 30 mm in female
4.20 � 25 mm in male and 30 � 40 mm in female
.The first and last moults of Ascaris occur in
1.Heart
2.Kidney
3.Liver
4.Intestine
A free living roundworm is
1.Strongyloides
2.Rhabditis
3.Loa
4.All the above
A single Hookworm sucks blood
1.0.1 ml
2.0.5 ml
3.0.8 ml
4.1.2 ml
Alcopar is drug useful for
1.Taeniasis
2.Amoebiasis
3.Ascariasis
4.Schistosomiasis
Amphids for olfacto-reception are present in Ascaris in
1.Pre-anal papilla
2.Post-anal papilla
3.Dorsal lip
4.Ventrolateral lips
An intermediate host is absent in case of parasite
1.Liver fluke
2.Tapeworm
3.Ascaris
4.Plasmodium
Ascaris disturbs digestion of host by
1.Feeding on digested food
2.Injuring intestinal wall
3.Secretion of anti-enzymes
4.Both A and B
Ascaris juveniles cause
1.Appendicitis
2.Pneumonia
3.Hepatitis and brain damage
4.All the above
Ascaris larva is called
1.Cysticercus
2.Rhabditiform
3.Hexacanth
4.Onchosphere
Ascaris lumbricoides infection occurs through
1.Sole of uncovered feet
2.Contaminated water and food
3.Improperly cooked measly pork
4.From air through inhalation
Ascaris protects itself against digestive enzymes of the host by
1.Mucus
2.Antienzymes
3.Antienzymes and cuticle
4.Cuticle
Ascaris/Nemathelminthes possesses body cavity called
1.Coelom
2.Psedocoelom
3.Haemocoel
4.Coelenteron
Before reaching intestine the larva of Ancylostoma travels through
1.Lungs and trachea
2.Oesophagus
3.Heart
4.All the above
Common Roundworm is also called
1.Intestinal Roundworm
2.Giant Intestinal Roundworm
3.Threadworm
4.Old World Roundworm
Cyclops is intermediate host of
1.Planaria/Dugesia
2.Echinococcus
3.Drancunculus
4.Ancylostoma
During its journey through the body the juvenile Ascaris passes through
1.Spleen
2.Kidney
3.Skeletal muscles
4.Lung
Embryonated egg of Ascaris is
1.An egg with gastrula
2.An egg with blastula
3.An egg with juvenile
4.An egg within an egg
Enterobiasis is characterized by
1.Anal itching
2.Genital itching
3.Abdominal pain and diarrhoea
4.All the above
Excretory pore of Ascaris occurs at
1.Posterior end
2.Middle of body
3.Behind the mouth
4.Near the posterior end
Female Ascaris is differentiable from male in
1.Presence of cloaca
2.Presence of penial setae
3.Shorter size
4.Straight posterior end
Filariasis is caused by
1.Wuchereria
2.Culex
3.Trichinella
4.Schistosoma
Filariform larva enters human body while
1.Drinking contaminated water
2.Eating contaminated food
3.Bathing in contaminated water
4.Walking bare footed
Filariform larva of Ancylostoma is
1.First stage juvenile
2.Second stage juvenile
3.Third stage juvenile
4.Fourth stage juvenile
Give the correct matching of causative agent/germ and disease
1.Anopheles - Malaria
2.Leishmania � Sleeping Sickness
3.Glossina � Kala-azar
4.Wuchereria - Filariasis
Ground itch is due to larva of
1.Ancylostoma
2.Enterobius
3.Trichuris
4.All the above
Hookworm holds the intestinal wall by means of
1.Cutting plates
2.Lancets
3.Sucking action of pharynx
4.Surface spicules
Hookworm resides in
1.Duodenum
2.Rectum
3.Small intestine
4.Blood
In male Ascaris anus is
1.Absent
2.Replaced by gonopore
3.Replaced by cloaca
4.None of the above
Infection of pinworm is called
1.Enterobiasis
2.Oxyuriasis
3.Both A and B
4.Trichuriasis
Infective stage of Ascaris is
1.Adult worm
2.Second juvenile
3.Fourth juvenile
4.Egg
Larva of Ancylostoma feeds on
1.Bacteria
2.Protists
3.Organic debris
4.Eggs of small animals
Lips of Ascaris are
1.Smooth
2.Rough
3.Denticulate
4.Spiny
Male Ascaris is differentiable from female Ascaris in
1.Presence of post-anal papillae
2.Presence of pre-anal papillae
3.Presence of penial setae
4.All the above
Male Enterobius can be recognized by
1.Curved posterior end
2.One penial spicule
3.Two caudal alae
4.All the above
Microfilariae are carried by
1.Sandfly
2.Culex mosquito
3.Anopheles mosquito
4.Housefly
Musculature of Ascaris consists of
1.Circular muscles only
2.Outer longitudinal and inner circular
3.Outer circular and inner longitudinal
4.Longitudinal muscles only
Number of lips of Ascaris are
1.Four
2.Three
3.Two
4.One
Number of streaks present in Ascaris lumbricoides is
1.One
2.Two
3.Three
4.Four
Old World Hookworm is
1.Necator americanus
2.Ancylostoma duodenale
3.Ancylostoma caninus
4.Strongyloides stercoralis
Posterior end of male Enterobius possesses
1.One penial spicule
2.Two equal penial spicules
3.Two unequal penial spicules
4.None of the above
Pseudocoel occurs in
1.Hydra
2.Ascaris
3.Cockroach
4.Earthworm
Rhabditoid/rhabditiform larva occurs in life cycle of
1.Liver fluke
2.Ascaris
3.Tapeworm
4.Planaria
Sensory structures in Ascaris are
1.Phasmids
2.Amphids
3.Papillae
4.All the above
Size of common Roundworm or Ascaris lumbricoides is
1.15 � 30 cm in male and 20 � 40 cm in female
2.10 � 15 cm in male and 15 � 25 cm in female
3.5 � 10 cm in male and 10 � 15 cm in female
4.3 � 5 cm in male and 7 � 10 cm in female
Size of Enterobius (Oxyuris) vermicularis is
1.2 � 3 mm in male and 5 � 8 mm in female
2.3 � 5 mm in male and 8 � 13 mm in female
3.5 � 8 mm in male and 12 � 17 mm in female
4.8 � 10 mm in male and 15 � 20 mm in female
Syncytial epidermis occurs in
1.Ascaris
2.Hydra
3.Taenia
4.Leucosolenia
Taste receptors of Ascaris are
1.Phasmids
2.Amphids
3.Labial papillae
4.Both B and C
The infective stage of Ascaris is
1.Fertilized egg
2.Embryonated egg
3.Rhabditoid larva
4.Adult Ascaris
Which is true of Ascaris?
1.Host
2.Aquatic
3.Unisexual
4.Bisexual
Which one is used in treatment of ascariasis?
1.Chenopodium oil
2.Paludrin
3.Terramycin
4.None of the above