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