Q.36. Active movement is not found in Thenia because
(a) body is segmented (b) hooks and suckers, are found
(c) it is parasite (d) alimentary canal is absent
Ans. (c)
Q.37. Sessile (attached) animals are marine because
(a) for protection from terrestrial animals
(b) protection against bacteria
(c) they can produce water current to obtain food and oxygen
(d) can enjoy water life
Ans. (c)
Q.38. Disease filariasis is caused by
(a) Fasciola (b) Wuchereria (c) Taenia (d) Ascaris
Ans. (b)
Q.39. The light blue colour of blood in arthropods may be due to:
(a) haemopoitin (b) haemocyanin (c) haemoglobin (d) none
Ans. (C)
Q.40. Secondary host of tapeworm is
(a) cat (b) man (e) horse (d) pig
Ans. (d)
Q.41. Why Amoeba has been kept in protozoa
(a) due to contractile vacuole
(b) because of nutrition being insectivorous
(c) cell wall
(d) acellular body
Ans. (d)
Q.42. Tapeworms do not have alimentary canal because they get food from
(a) suckers (b) mouth (c) body surface (d) all of them
Ans. (c)
Q.43. Palaemon belongs to which phylum
(a) Crustacea (b) Insecta (c) Arthropoda (d) Mollusca
Ans. (c)
Q.44. Which is not an insect
(a) mosquito (b) spider (c) housefly (d) bedbug
Ans. (b)
Q.45. Ovo testis is found in
(a) snail (b) housefly (c) cockroach (d) prawn
Ans. (a)
Q.46. Which of the following is colonial insect
(a) mosquito (b) locust (c) bed bug (d) termites
Ans. (d)
Q.47. Common character of mosquito, rat flea, bedbug and leech is
(a) all have nephridia (b) saliva contains anticoagulant
(c) lay eggs in stagnant water (d) all are insects
Ans. (b)
Q.48. Body is unsegmnetstal its
(a) earthworm (b) glow-worm and scorpion
(c) Ascoris and hook-worm (d) tape-worm
Ans. (c)
Q.49. Ecdysis is not found in
(a) insect (b) polychatete (c) snake (d) all
Ans. (b)
Q.50. Turbellarians are
(a) independent round-worms (b) independent flat-worms
(c) parasitic tape worms (d) parasitic-worms
Ans. (b)
Q.51. Sepia and Octopus are two common marine animals. They show active movement in water by
(a) movement of oral arms (b) jet of water propelled through siphon (c) attachment with other animals through its suckers
(d) undulating movement of lateral fins
Q.52. Skin is covered in Arthropoda with
(a) mucous (b) Chitinous cuticle
(c) unstriated muscles (d) shell formed of calcium
Ans. (b)
Q.53. The blood in the body of insects
(a) flows in open circulation (b) contains haemoglobin in erythrocytes
(c) flows in arteries and veins (d) resembles human beings in colour
Ans. (a)
Q.54. Mesogloea is found in which group of animals
(a) Porifera (b) Coelenterata (c) Hydrozoa (d) Annelida
Q.55. Which animal has fixed number of legs
(a) Hydra (b) ant (c) Amoeba (d) earthworm
Ans. (b)
Q.56. Class in which the animals have 3 pair of jointed legs:
(a) Asthropoda (b) Crustacea (c) Insecta (d) Gaswopoda
Ans. (c)
Q.57. Asexual reproduction is most common among protozoans because
(a) Sexes not well differentiated in them (b) They can multiply fast
(c) It has nutritional importance (d) Many of them live as parasites
Ans. (a)
Q.58. Which phlylum has highest number of species
(a) Protozoa (b) Metazoa (c) Arthropoda (d) Insecta
Ans. (c)
Q.59. Respratory pigment in insects
(a) haemoglobin (b) cytochrome (c) haemocyanin (d) none
Ans. (c)
Q.60. All worms are
(a) radially symmetrical (b) asymmetrical (c) tnploblastic (d) diploblastic
Ans. (c)
Q.61. Wasp, gilamonster, centepede, scorpion and honey bee are
(a) terrestrial (b) viviparous (c) social (d) poisonous
Ans. (d)
Q.62. Main characteristic of Arthropoda
(a) chitinous exoskeleton, external segmentation, jointed legs
(b) external segmentation, hair, 3 pairs of jointed legs
(c) external skeletal scales, segmentation, one pair antennae
(d) external segmentation, one pair chelicerae, one pair pedipalpi.
Ans. (a)
Q.63. Protozoan considered link between plants and animals
(a) Paramecium (b) Amoeba (c) Euglena (d) Plasmodium
Q.64. Glow worm is a
(a) Mollusc (b) Annelid (c) insect (d) Helminth
Ans. (c)
Q.65. Bladder worm stage found
(a) liver fluke (b) planaria (c) thread worm (d) tapeworm
Ans. (d)
Q.66. Which is a coelenterate
(a) sea cucumber (b) sea cow (c) sea anemone (d) sea horse
Ans. (c)
Q.67. Character of sporozoa
(a) aquatic life (b) holophytic nutrition
(c) spore formation (d) holozoic nutrition
Ans. (c)
Q.68. Metazoa includes
(a) Sporozoa (b) Sarcodina (c) Cnidaria (d) Protista
Ans. (c)
Q.69. Pearl oyster belongs to
(a) Gastropoda (b) Cephalopoda (c) Scaphopoda (d) Pelecypoda
Ans. (d)
Q.70. Match the species of the same phylum:
(a) scorpion, spider (b) scorpion, Obelia, Hydra
(c) cockroach, earthworm, Taenia solium
(d) starfish, Obelia, Hydra
Ans. (a)
Q.71. In starfish which has dual function of locomotion and respiration
(a) axial sinus
(c) tube feet (b) ampullae (c) tube feet (d) teidmann’s body Ans. (c)
Q.72. Classification of phylum Porifera is based on
(a) canal system (b) spicules (c) shape of choanocytes (d) ascocytes
Ans. (b)
Q.73. Collar cells are characteristic of
(a) erarthworm (b) roundworms (c) coelenterata (d) sponges
Ans. (d)
Q.74. Silk is obtained from
(a) Lacifer lacca (b) Nosema bombycis
(c) Bombyx mori (d) None of them
Ans. (c)
Q.75. Cell tissue grade of organization occurs in
(a) Platyhelminthes (b) Sponges (c) Protozoa (d) Coelenterata
Ans. (d)
Q.76. Ephyra larva belongs to
(a) Physalia (b) Aurelia (c) Obelia (d) Sea anemone
Ans. (b)