Q.1
Tape worms obtain their food from the host by
  • a) Sucking
  • b) Scraping
  • c) Absorption through integument
  • d) Autotrophic
Q.2
Which of the following is the incorrect match with respect to larva:
  • a) Asterias – Bipinnaria Larva
  • b) Holothuria – Auricularia larva
  • c) Antedon – Doliolaria larva
  • d) Echinoidea – Trochophore larva
Q.3
Given below five different animals and some characteristics. From these identify the correct option: Animals: (i) Sea hare. (ii) Acorn worm (iii) Locust. (iv) Pinctada (v) Hook worm. Characteristics: (a) Symmetry (b) Pseudocoelom (c) Ctenidia for respiration. (d) Proboscis gland for excretion (e) Joint appendages.
  • a) (a) is related to (i) and (v)
  • b) (a) and (c) are related with (i), (iv) and (v)
  • c) (d) is related with (ii) and (iii).
  • d) (a) and (c) related with (i) and (iv)
Q.4
Select the incorrect pair:
  • a) Metagenesis – Obelia.
  • b) Metamerism – Pheretima.
  • c) Diploblastic – Pleurobranchia
  • d) Monoecious – Neries.
Q.5
Annelids have
  • a) Tube-within-a-tube plan, unsegmented body and haemocoel
  • b) Blind sac plan, segmented body and true coelom
  • c) Tube-within-a-tube plan, metameric segmentation and true coelom
  • d) Tube-within-a-tube plan, metameric segmentation and enterocoelom
Q.6
Which is not true of Ascaris infection?
  • a) More common is children
  • b) Does not produce tonsillitis
  • c) Number can be 500 – 5000
  • d) Infection is cured even without medication, if reinfection does not occur
Q.7
Ascaris lumbricoides is
  • a) Hermaphrodite
  • b) Sexually dimorphic
  • c) Polymorphic
  • d) Sexual undifferentiated
Q.8
The infective stage of Fasciola hepatica is
  • a) Sporocyst
  • b) Redia
  • c) Cercaria
  • d) Metacercaria
Q.9
Nematocysts of Hydra are important for
  • a) Digestion of food
  • b) Testing the quality of food
  • c) Catching and paralyzing preys
  • d) Only locomotion
Q.10
Two common character found in centipede, cockroach and crab are
  • a) Book lungs and antennae
  • b) Green gland and tracheae
  • c) Compound eye and anal cerci
  • d) Jointed legs and chitinous exoskeleton
Q.11
Locomotary structure in Nereis are
  • a) Pseudopodia
  • b) Setae
  • c) Legs
  • d) Parapodia
Q.12
Euplectella is
  • a) Shallow sea water sponge
  • b) Deep sea water sponge
  • c) Fresh water sponge
  • d) Terrestrial sponge
Q.13
Veliger is the larval stage in
  • a) Annelids
  • b) Molluscs
  • c) Arthropoda
  • d) Echinoderms
Q.14
Cockroach, housefly and mosquitoes are insects because they have
  • a) Chitinous exoskeleton and body divided into head thorax and abdomen
  • b) Six legs, ocelli and body divided into head, thorax and abdomen
  • c) Segmented body with jointed feet and chitinous exoskeleton
  • d) Three pairs of legs, one pair of antennae and flame cells
Q.15
Echinoderms show following characteristics
  • a) Spiny skin,radial symmetry
  • b) Smooth skin, radial symmetry
  • c) Spiny skin , bilateral symmetry
  • d) Spiny skin, asymmetry
Q.16
Housefly differs from mosquito in having
  • a) Only three pairs of jointed legs
  • b) Compound eye
  • c) Head and thorax fused to form cephalothorax
  • d) All legs resting upon surface while sitting
Q.17
Which of the following have a radially symmetrical body?
  • a) Starfish
  • b) Frog
  • c) Pigeon
  • d) Apple snail
Q.18
Most primitive among following mollusc is
  • a) Nautilus
  • b) Neopilina
  • c) Chiton
  • d) Patella
Q.19
Glass Rope Sponge is
  • a) Hyalonema
  • b) Spongia
  • c) Grantia
  • d) Leucosolenia
Q.20
Ctenidia in molluscs are
  • a) Excretory organs
  • b) Respiratory organs
  • c) Protective organs
  • d) Reproductive organs
Q.21
Sponge dispersal occur through
  • a) Ciliated larva
  • b) Gemmules
  • c) Reduction bodies
  • d) All of these
Q.22
Given are four matched of phyla and their characteristic cells. (1) Coelenterata – Nematocysts. (2) Ctenophora – Solenocytes. (3) Porifera – Choanocytes. (4) Platyhelminthes – Nephrocytes. Mark the option that has both correct matches:
  • a) (i), (ii)
  • b) (i), (iii)
  • c) (ii), (iii)
  • d) (ii), (iv)
Q.23
Sycon belongs to a group of animals which are best described as:
  • a) Unicellular or multicellular
  • b) Multicellular without a gastrovascular cavity
  • c) Multicellular having no tissue organization
  • d) Multicellular having tissue organization but no body cavity
Q.24
Find out the incorrect statement about the phylum Arthropoda: (i) They have organ system level of organisation. (ii) The exoskeleton is made up of calcium carbonate. (iii) Development may be direct or indirect. (iv) Fertilization is usually external. (v) They are mostly oviparous.
  • a) (ii) and (iii) are incorrect.
  • b) (v) only is incorrect.
  • c) (iii) and (iv) are incorrect
  • d) (ii) and (iv) are incorrect
Q.25
Match the following and choose the right option:
Column I Column II
a) Arthropods Bilateral symmetry + Acoelom
b) Annelids Radial symmetry + Enterocoelom
c) Platyhelminthes Bilateral symmetry + Eucoelom
d) Echinoderms Bilateral symmetry + Haemocoel
e) Coelenterates Bilateral symmetry + Pseudocoelom
f) Aschelminthes Radial symmetry + Acoelom
  • a) a -1, b - 2, c -3, d - 4, e - 5, f - 6
  • b) a -3, b - 2, c -1, d - 6, e - 4, f -5
  • c) a -4, b - 3, c -1, d - 2, e - 6, f - 5
  • d) a -4, b - 3, c -2, d - 1, e - 6, f - 5
Q.26
Choose the correct character applicable to Ctenophora?
  • a) Organ system level of organisation
  • b) Choanocytes are present
  • c) Triploblastic and bilateral symmetry
  • d) Bioluminescence is well marked
Q.27
ind out the incorrect statement about the phylum Arthropoda.
  • a) They are mostly dioecious.
  • b) Segmented and coelomate animals.
  • c) Over two-thirds of all named species on earth are arthropods
  • d) Statocysts or balance organs are absent.
Q.28
The hypnotoxin of Hydra is chemically
  • a) Steroid
  • b) Protein + Ascorbic acid
  • c) Protein + Phenol
  • d) Proteins + Formic acid
Q.29
habditoid/rhabditiform larva occurs in life cycle of
  • a) Liver fluke
  • b) Ascaris
  • c) Tapeworm
  • d) Planaria
Q.30
Number of tentacles in a polyp of Obelia is
  • a) 5-10
  • b) 10-15
  • c) 10-20
  • d) 20-30
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