Download ORBIT MBBS QAD Series 1. Which of the following statement is true

ORBIT MBBS
QAD Series
1. Which of the following statement is true about the alimentary canal of Round worm
(a)
No mouth
(b) Only have anus(c) Both mouth and anus
(d) None of these
2. Special modification of Ascaris to its parasite mode of life is:
(a)
Striaght and uncoiled alimentary canal
(b) Segemnted body
(c)
Resistant cuticle on the body surface
(d)
Cylindrical body
3. Filaria is:
(a)
Protozoan
(b) Virus
(c) Helminthe
(d) Bacteria
4.
Amphid and phasmid glands are found in:
(a) Platyhelminthes
(b) Annelida(c)
Nematodes
(d) Cockroach
5. The wandering journey of Ascaris takes:
(a) 10 days
(b) 12 days (c)
14 days (d) 20 days
6. Which of the following disease is caused by nematode:
(a)
Filariasis
(b) Amoebiasis
(c) Leprosy
(d) Malaria
7.
(a)
8.
(a)
9.
(a)
10.
(a)
(b)
(c)
(d)
11.
12.
13.
14.
15.
16.
17.
18.
The space between the body wall and the alimentary canal of Ascaris is:
Haemocoel
(b) Pseudocoel
(c) Enterocoel
(d) Schizocoel
The animal which sexes can be differentiated from external morphology is:
Taenia
(b) Krait
(c) Ascaris
(d) Sea anemone
Filaria can be eradicated if the population of following is exterminated
Cockroach
(b) Housefly
(c) Culex mosquito
(d)Anopheles mosquito
Which one of the following is true for Ascaris?
Outside intestine liver lungs trachea oesophagus intestine
Outside stomacm heart lungs trachea intestine
Outside intestine heart lungs trachea intestine
Outside stomach liver lungs oesophagus
Roundworms differ from flatworms in having:
a) pseudocoelom
b) circular muscles layer c) Dorsal nerve cord
d) circulatory system
Tube -within -a tube body plan is shown by:
a) porifera
b) coelenterata
c) Platyhelminthes
d) Nemathelminthes
Syncytial epidermis found in:
a) house fly
b) Ascaris
c) Pheretima
d) Periplaneta
The third and fourth stage larvae of Ascaris develop in one of the following organs of human
body?
a) liver
b) heart
c) lungs
d) spleen
A rhabditiform larva forms in the life cycle of:
a) Hydra
b) Tapeworm
c) liver fluke
d) Ascaris
Which of the following is found in the lymph nodes?
a) Taenia
b) Plasmodium
c) Wuchereria
d) Fasciola
Scientific name of pinworm is:
a) Trichinella
b) Ancylostoma
c) Enterobius
d) Wuchereia
The infective stage of Ancylostoma duodenale to human is:
a) filariform larva
b) microfilaria
c) rhabditiform
d) egg containing larva
19. Schizocoel is body cavity of:
(a) Mollusca
(b) Echinoderms (c) Platyhelminthes
(d) Annelids
ORBIT MBBS
20. The animal without any respiratory organ is:
(a) Cockroach
(b) Earthworm (c) Snake
(d) Frog
21. Trochopore larva is found in
(a) Annelida
(b) Arthropoda
(c) Mollusca
(d) Echinodermata
22.
Which of the following belongs to Annelida
(a) Sea pen
(b) Sea mouse (c) Sea fur
(d) Sea cow
23. Parapodia are found in
(a) Oligochaeta
(b) Polychaeta
(c) Arthropoda
(d) Hirudinea
24. Organisms having bilatral symmetry, closed circulatory system and metameric segmentation belongs to
(a) Annelida
(b) Mollusca
(c) Arthropoda
(d) Echinodermata
25. The most important character of annelids is
(a) Metamerism
(b) Hermaphroditism
(c) Elongated body
(d)Presence of nephridium
26. What is common between leech, centipede and earthworm?
(a) Hermaphroditism (b) Ventral nerve cord
(c) Absence of legs
(d) Malpighian tubules
26. Cuticle of annelids is
(a) Non-chitinous and albuminoid
(b) Chitinous
(c) Chitinous and albuminoid
(d) Non-chitinous
27. Botryoidal tissue is found in
(a)Hirudinaria
(b) Earthworm
(c) Rabbit
28. Leech obtains continuous blood-stream from its victim by pouring in it
(a) Heparin
(b) Insulin
(c) Pepsin
29
In Earthworm, excretion takes place through:
(a) Nephrida
(c) Flame cells
(d) Ascaris
(d) Hirudin
(b) Malphigian tubules
(d)fat body
30. Role of typhlosole in earthworm is to:
(a) emulsify food
(b) kill bacteria
(c) increase absorptive surface area
(d) Productive digestive enzyme
31. In which of the following class of Annelids, one pair ovaries and several pair of testes are formed?
(a) Archiannelida
(b) Hirudinea
(c) Oligochaeta
(d) Polychaeta
32. Fertilization in earthworm is:
(a) Cross fertilization
(c) Self fertilization
(b) Mutual fertilization
(d) none
33. Dorsal pores of Earthworm are meant for passage of:
(a) coelomic fluid
(b) blood
(c) waste materials
(d) gametes
34. Nephridia brings all the waste product from:
(a) Gut
(c) Clitellum
(b) Coelom
(d) prostomium
35. A projection in the alimentary canal of earthworm that increases absorptive surface area is:
(a)Villi
(b) Typhlosole
(c) Gizzard
(d) stomach
36. Animal in which clitellum’s always present, belong to which class of Annelids?
ORBIT MBBS
(a)
Polychaeta
(c) Hirudinea
(b) Oligochaeta
(d) Archiannelida
37. In animal of which class, the number of body segment is definite:
(a) Oligochaeta
(b) Hirudinea
(c) polychaeta
(d) none
38. A polychaeta differentiated from the oligochaeta on the basis of:
(a) absence of clitellum
(b) presence of distinct head
(c) presence of parapodia
(d) all of the above
39. Which of the following is Annelids?
(a) sea horse
(b) sea mouse
(c) sea cow
(d) sea pen
40. In Annelids, formation of larva is usually absent but when present the larve is called:
(a) Tadpole
(b) Planula
(c) Trochophore
(d) Ephyra
41. Haemocoelomic system is best represented by:
(a)Earthworm
(b) Leech
(c) Ascaris
(d) Hydra
42. What is the common between leech, centipede and earthworm?
(a) Hermaphroditism
(b) Ventral nerve cord
(c) Absence of legs
(d) Malpighian tubules
43. Coelomic fluid of earthworm is composed of water, salts and proteins and also:
(a) Amoebocytes, Mucocytes and Chloragogen
(b) Amoebocytes, Pinacocytes and Choanocytes
(c) Archaeocytes, Pinacocytes and Calcoblsts
(d) Amoebocytes, Scleroblasts and Pinacocytes
44. The earthworm move with the help of:
(a) Setae, muscles and hydrostatic skeleton
(b) setae alone
(c) Muscles alone
(d) Pardpodia
45. In earthworm, the chromophil cells serve to:
(a) Secrete mucus
(b) regulate skin colour
(c) Store fats
(d) secrete saliva
46. In earthworms, neurons are:
(a) Sensory
(b) Motor
(c) adjustor
(d) all
47. Which ones are not hermaphrodite?
(a) Polychaetes
(b) Leeches
(c) Flatworms
(d) Earthworms
48. Annelids have:
(a) Bilateral symmetry, blastopore mouth and true coelom
(b) Radial symmetry, blastopore mouth and acoelom
(c) spherical symmetry, blastopore mouth and pseudocoelom
(d) none of the above
49. Coelom filled with muscular and connective tissues occurs in:
(a) Ascaris
(b) Nereis
(c) Phenetima
(d) Hirudo
50. In earthworm, the segment bearing mouth is:
(a) Deuterostomium
(b) Prostomium
ORBIT MBBS
(c) Periostomium
(d) Cytostome
51. Male genital pores in earthworm are found in:
(a) 14th segment
(b) 17, 19th
(c)18th
(d) 10, 11th
52. Setae are found in all body segment of earthworm except:
(a) last segment
(b) first segment
(c) clitellar segment
(d) 1st , last and clitellar segments
53. In earthworm skeleton like function is performed by:
(a) Coelomic fluid
(b) Alimentary canal filled with food
(c) Typhlosole
(d) Clitellum
54. Main function of phorphyrin pigment present in earthworm:
(a) Helps in respiration
(b) Helps in reproduction
(c)Makes the worm beautiful
(d) Protection from adverse effects of sun
55. Chloragogen cells of Pheretima have similar function like the vertebrates?
(a)kidney
(b)Malpighina tubules
(c)liver
(d) lungs
56. Gizard in Pheritima is an organ:
(a)secrete slime
(b)for absorption of digested food
(c)for excretion
(d)for crushing fluid
57. Which structure in Earthworm is capable of secreting hormones?
(a)Nerve cord
(b)Lymph gland
(c)Cerebral ganglia
(d)Chloragogen cells
58. Which of the following is exonephric nephridia?
(a)Pharyngeal nephridia
(b)Septal nephridia
(c)Integumentary nephridia
(d) Integumentary and pharyngeal nephridia
59. In earthworm the enteronephric nephridia open in:
(a)Body surface
(b)Buccl cavity
(c)Intestine
(d)both b and c
60. Earthworm is:
(a)Uricotelic
(c)Ureotelic
(b)Ammonotelic
(d)both b and c
61. Septal nephridia of earthworm discharge excretory product into:
(a)Body cavity
(b) Pharynx
(c)outside on body surface
(d)Lumen of intestine
62. Similarity between septal nephridia and malpighian tubules is that:
(a)Both excrete urea
(b)Both open in body cavity
(c)Both leave excretory products in intestine
(dNone
63. Accessory glands in earthworm are found in segments:
(a)17, 18
(b)17, 19
(c)19, 20
(d)18, 19
64. In earthworm process of spermatogenesis is takes place in:
(a)Spermatheca
(b)Testis
(c)Testis sac
(d)Seminal vesicle
65. Cuticle of earthworm is secreted by:
(a)Peritoneum
(b)Muscular layer
(c)Epidermis
(d)Hypodermis
ORBIT MBBS
66. In Pheretima, the glands that help in binding the worms during copulation are:
(a)Prostate glands
(b)Albumin glands
(c)Accessory glands
(d)Mucous glands
67. Organisms having bilateral symmetry, closed circulatory system and metameric segments belong to:
(a)Annelida
(b)Mollusca
(c)Arthropoda
(d)Echinodermata
68. Nephrostome is a composed of:
(a)Septal nephridia
(b) Integumentary nephridia
(c)Pharyngeal and septal nephridia
(dPharyngeal and integumentary nephridia
69. In Earthworm, the effective organ for food digestion is:
(a)pharynx
(b)buccal cavity
(c)mouth
(d)stomach
70. Botryoidal tissue is found in:
(a)Unio
(c)Hirudo
(b)Ascaris
(d)Nereis
71. Neurohormones secreted by cerebral ganglia in Earthworm control:
(a) nutrition
(b) reproduction
(c) locomotion
(d) metabolism
72. Clitellum of Pheretima is thick girdle that is:
(a)nonglandular around 14 – 16 segments
(b)glandular around 14 – 16 segments
(c)glandular around 16 – 18 segments
(d)nonglandular 16 – 18 segments
73. In earthworm paired sperm theca are found in:
(a)4th to 7th segments
(c)6th to 9th segments
(b)5th to 8th segments
(d)7th to 10th segments
74. Structure present only in 7th and 9th segments of Pheretima posthuma is:
(a)lateral hearts
(b)pharyngeal nephridia
(c)ganglia
(d)spermathecae
75. An organ in earthworm analogous to our kidney is:
(a)ovary
(b)testis
(c)nephridia
(d)clitellum
76. During copulation in earthworm, sperm is received through:
(a)nephridial pore
(b)female genital pore
(c)spermatheca
(d)dorsal pore
77. Subpahryngeal nerves in earthworm are:
(a)one pair
(c)three pair
(b)two pair
(d)4 pair
78. Nephrostomes are absent in:
(a)integuimentary nephridia
(c)pharyngeal nephridia
(b) septal nephridia
(d) all of these
79. Clitellum in earthworm is concerned with:
(a)excretion
(b)copulation
(c)cocoon formation
(d)fragmentation
80. One of the following is considered as a connecting link between Annelida and Arthropoda:
(a)peripatus
(b)limulus
ORBIT MBBS
(c)balanoglosus
(d)sphenodon
81. In earthworm fertilization takes place in:
(a)oviduct
(c)clitellum
(b)spermatheca
(d)cocoon
82. How are annelida advanced over nematode?
(a)closed circulation
(c)metameric segmentation
(b)true coelom
(d) all of these
83. Haemopoisis in earthworm takes place in
(a)Lymph glands
(c)Lateral hearts
(b)Salivary glands
(d)Blood glands
84. Vermicomposting means
(a)Removal of worms
(c)Adding dead worms to the decayed leaves
(b)making of enriched soil by the worms
(d)Bio degradation by worms
85. What term is used for the nephridia which discharge their excretory products into lumen of gut?
(a)enteronephric
(b)exonephric
(c)exocrine
(d)holocrine
86. In earthworm, the circular muscle are highly developed in
(a)Body wall
(b)Gizzard
(c)Pharynx
(d)Typhlosole
87. Haemoglobin is in dissolved form in the plasma of:
(a)Earthworm
(b)Ascaris
(c)Tapeworm
(d)Insects
Prepared by Kamal Nepal