Q.1
With reference to the diagram, choose the wrong statement:
unit-1_ch-8_que_no-288_img_no1.png
  • a) Part labelled (3) represents undifferentiated Mesoglea in triploblastic animals.
  • b) Adamsia is an example of an animal with germinal layers arranged as (b)
  • c) Part (4) forms coelom in coelomates.
  • d) The three germ layers are formed during the gastrula of embryonic development.
Q.2
Free swimming ciliated of Liver Fluke is
  • a) Redia
  • b) Miracidium
  • c) Metacercaria
  • d) Cercaria
Q.3
Echinoderms are heartless, brainless, headless, yet from evolutionary point of view, they have been placed on the top of the invertebrate phyla because of
  • a) Power of reproduction
  • b) Power of regeneration
  • c) Presence of enterocoel
  • d) Exclusively marine habitat
Q.4
Haemoglobin is found dissolved in blood plasma of
  • a) Earthworm
  • b) Cockroach
  • c) Rabbit
  • d) Frog
Q.5
Maximum number of economically important species is in the class
  • a) Crustacea
  • b) Insecta
  • c) Chilopoda
  • d) Diplopoda
Q.6
Comb plates of ctenophores posses
  • a) Cilia for locomotion
  • b) Cilia for filter feeding
  • c) Teeth for crushing
  • d) Teeth for filtering
Q.7
Aplysia belongs to the class
  • a) Amphineura
  • b) Gastropoda
  • c) Bivalvia
  • d) Cephalopoda
Q.8
Pearl producing Indian species is
  • a) Pennatula
  • b) Pinctada vulgaris
  • c) Ostrea indica
  • d) Ostrea vulgaris
Q.9
Match the following:
Column I Column II
a Thesocytes 1 Sponging fibres
b Gemmules 2 Food storing cells
c Osculum 3 Involved in reproduction
d Spicules 4 Collar cells
- -   - - 5 Water exists the Spongocoel through this structure
  • a) a →1 , b →2 ,c →3 ,d → 4
  • b) a →3 , b →1 ,c →4 ,d → 5
  • c) a →2 , b →3 ,c →4 ,d → 1
  • d) a →2 , b →3 ,c →5 ,d → 1
Q.10
Ascaris lumbricoides is commonly called
  • a) Roundworm
  • b) Hookworm
  • c) Seat worm
  • d) Pinworm
Q.11
The pigment haemocyanin is found in
  • a) Mollusca
  • b) Annelida
  • c) Echinodermata
  • d) Chordata
Q.12
Which one spreads through food contamination?
  • a) Taenia
  • b) Schistosoma
  • c) Ascris
  • d) Facsciola
Q.13
The nitrogeneous metabolic waste in Hydra is mostly
  • a) Ammonia and is removed from whole surface of body
  • b) Ureas and is removed from whole surface of body
  • c) Urea and is removed mainly by tentavles
  • d) Uric acid and is removed from whole surface of body
Q.14
Hydra can digest all types of food except
  • a) Proteins
  • b) Fats
  • c) Starches
  • d) All of the above
Q.15
Neopilina is a connecting link between
  • a) Arthropoda and Mollusca
  • b) Annelida and Mollusca
  • c) Mollusca and Echinodermata
  • d) Mollusca and Helminthes
Q.16
Which of the following animal has nervous system but no brain?
  • a) Earthworm
  • b) Amoeba
  • c) Hydra
  • d) Periplaneta
Q.17
Sea hare is
  • a) Aplysia
  • b) Sepia
  • c) Pila
  • d) Teredo
Q.18
Excretory organs in echinoderms are
  • a) Coxal glands
  • b) Green glands
  • c) Malpighian tubules
  • d) No specialized organ
Q.19
In Fasiola hepatica, germination of capsule produces
  • a) Miracidium
  • b) Sporocyst
  • c) Redia
  • d) Cercaria
Q.20
Miracidium of Liver Fluke is
  • a) Free swimming
  • b) Creeping
  • c) Nonmotile
  • d) Free floating
Q.21
The body of Hydra is
  • a) Naked
  • b) Covered by perisarc
  • c) Covered with thin cuticle
  • d) Surrounded by thick cuticle
Q.22
In cephalopod Sepia
  • a) Shell is absent
  • b) Inner shell is found
  • c) A folded shell is found
  • d) Outer shell is found
Q.23
Which of the following belongs to class Insecta?
  • a) Julus
  • b) Silverfish
  • c) Lobsters
  • d) Prawn
Q.24
An animal that absorbs its nutrients from the host body directly through their body surface:
  • a) Hirudinaria
  • b) Taenia
  • c) Ascaris
  • d) Neries.
Q.25
In which of the following groups, all animals are diploblastic:
  • a) Limulus, Neries, Taenia.
  • b) Meandrina, Laccifer, Sycon
  • c) Ctenoplana, Aplysia, Pleurobranchia
  • d) Coenoplana, Aurelia, Pennatula
Q.26
Mesoglea of hydra is:
  • a) Acellular and can be crossed by interstitial cells.
  • b) ellular and cannot be crossed by interstitial cells.
  • c) Cellular and contains mesenchyme cells
  • d) Cellular and give rise to germ cells
Q.27
Special mode of feeding by radula is found in
  • a) Sea mouse
  • b) Earthworm
  • c) Molluscs
  • d) Sea snake
Q.28
Lung Fluke is
  • a) Hymenolepis nana
  • b) Paragonimus westermani
  • c) Schistosoma haematobium
  • d) Echinococcus granulosus
Q.29
The metallic ion contained in the blood of mollusca is
  • a) Iron
  • b) Copper
  • c) Magnesium
  • d) Zinc
Q.30
Peripatus is a connecting link between
  • a) Annelida and Arthropoda
  • b) Annelida and Mollusca
  • c) Mollusca and Arthropoda
  • d) Coelenterata and Platyhelminthes
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