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Quiz 9
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Q.1
Who raised the status of hemichordates from subphylum to phylum?
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a) Linnaeus
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b) Lamarck
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c) Horst
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d) Belfour
Explanation
Answer:(c)
Q.2
Earthworm has no skeleton but during burrowing the anterior end becomes turgid and act as a hydraulic skeleton. It is due to
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a) Setae
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b) Mucocytes
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c) Coelomic fluid
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d) Longitudinal muscles
Explanation
Answer:(c)
Q.3
Choanocytes occur in:
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a) Sycon
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b) Hydra
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c) Aurelia
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d) Adamsia
Explanation
Answer:(a)
Q.4
The animal in which sexes can be differentiated from external morphology is
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a) Taenia
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b) Krait
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c) Ascaris
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d) Sea anemone
Explanation
Answer:(c)
Q.5
Select the correct statements
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a) Allannelids have setae
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b) Allmolluscs have external or internal hell
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c) All echinoderms have water vascular system
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d) All arthropods have at least one pair of antenna
Explanation
Answer:(c)
Q.6
Most primitive animals are
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a) Sponges
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b) Coelenterates
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c) Flat worms
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d) Round worms
Explanation
Answer:(a)
Q.7
Cuttlefish is a
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a) Mollusc
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b) Lung fish
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c) Cnidarian
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d) Fish
Explanation
Answer:(a)
Q.8
Respiration in Crustacea is carried out by
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a) Gills
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b) Booklungs
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c) Tracheae
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d) All of thes
Explanation
Answer:(a)
Q.9
How many of the statements are not true regarding annelida? (i) Found in marine, freshwater and terrestrial habitat. (ii) Mostly free living and some parasitic forms. (iii) Both longitudinal and circular muscles aid in locomotion. (iv) Metamerically segmented and acoelomate animals. (v) Both sexual and asexual mode of reproduction.
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a) one
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b) two
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c) three
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d) four
Explanation
Answer:(b)
Q.10
Which pairing is correct?
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a) Apiculture- Honeybee
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b) Sericulture – Fish
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c) Pisciculture - Birds
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d) Apiculture - Silk moth
Explanation
Answer:(a)
Q.11
In a sponge the whole inner surface of the asconoid is lined by:
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a) Pinacocytes
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b) Choanocytes
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c) Amoebocytes
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d) Calcoblast
Explanation
Answer:(b)
Q.12
Match the following:
Column I
Column II
a Pennatula
1 Brain coral
b Meandrina
2 Sea fan
c Gorgonia
3 Sea pen
d Adamsia
4 Sea anemone
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a) a →3 , b → 1 , c → 2 , d → 4
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b) a →1 , b → 3 , c → 2 , d → 4
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c) a →2 , b → 4 , c → 1 , d → 3
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d) a →2 , b → 3 , c → 4 , d → 1
Explanation
Answer:(a)
Q.13
Mouthparts of housefly are
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a) Sponging and Sucking type
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b) Lapping and Chewing type
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c) Siphoning type
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d) Piercing type
Explanation
Answer:(c)
Q.14
Which of the following is false:
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a) Antedon – Sea lily – Echinodermata.
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b) Dentalium – Tusk shell – Mollusca.
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c) Aplysia – Sea hare – Echinodermata.
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d) Leppesma – Silver fish – Arthropoda.
Explanation
Answer:(c)
Q.15
In mollusca, eye is present over a stalk called
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a) Ostracum
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b) Operculum
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c) Osphradium
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d) Ommatophore
Explanation
Answer:(d)
Q.16
Which is not a member of Echinodermata?
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a) Ophiothrix
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b) Sea lily
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c) Ascaris
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d) Starfish
Explanation
Answer:(c)
Q.17
Ambulacral system is characteristic of
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a) Mollusca
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b) Echinodermata
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c) Arthropoda
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d) Rotifera
Explanation
Answer:(b)
Q.18
Trochophore larva is found in
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a) Annelida
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b) Platyhelminthes
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c) Coelenterata
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d) Porifera
Explanation
Answer:(a)
Q.19
Which process does not occur in Hydra?
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a) Regeneration
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b) Cleavage
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c) Mating
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d) Fertilization
Explanation
Answer:(c)
Q.20
Diagnostic character of the phylum Echinodermata is the presence of
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a) Spiny skin
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b) Pedicellariae
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c) Water vascular system
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d) All of these
Explanation
Answer:(d)
Q.21
Hard shell, muscular body, ommatophores and foot are description about
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a) Pila
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b) Tortoise
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c) Periplaneta
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d) Limulus
Explanation
Answer:(a)
Q.22
epas, Limulus, Lepisma and Scolopendra have jointed appendages. Which of the below set of organisms are aquatic and respire through gills
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a) Lepas and Limulus
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b) Lepas and Lepisma
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c) Scolopendra and Lepas
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d) Limulus and Scolopendra
Explanation
Answer:(a)
Q.23
Which is correct in sponges?
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a) Single mouth innumerable exits
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b) Single exit innumerable mouths
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c) A true coelom
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d) Radial symmetry
Explanation
Answer:(b)
Q.24
Liver Fluke belongs to class
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a) Trematoda
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b) Turbellaria
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c) Cestoda
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d) Nematoda
Explanation
Answer:(a)
Q.25
Respiratory organ in scorpion is
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a) Bookgills
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b) Booklungs
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c) Gills
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d) Skin
Explanation
Answer:(b)
Q.26
What distinguishes an insect from crustacean?
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a) Number of eyes
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b) Presence of wings
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c) Number of appendages
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d) Arrangement of nerve cords
Explanation
Answer:(c)
Q.27
Pick out the incorrect statement:
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a) Choanocytes are found in Cnidaria
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b) Porifers are diploblastic
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c) Porifers have only one outlet for water
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d) Porifers have many inlets for water
Explanation
Answer:(a)
Q.28
Puncturing elements in mouthparts of female Anopheles are
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a) Labrum and labium
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b) Mandibles and labium
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c) Maxillae and mandibles
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d) Hypopharynx and labium
Explanation
Answer:(c)
Q.29
The body of hemichordate is cylindrical and consists of:
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a) Anterior collar, a proboscis and a long trunk.
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b) Anterior proboscis, a collar and a long trunk.
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c) Anterior trunk, a proboscis and a long collar.
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d) Anterior trunk, a collar and a long proboscis.
Explanation
Answer:(b)
Q.30
Nephridia and setae are seen in
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a) Sea anemone
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b) Sea urchin
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c) Earthworm
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d) Sea lemon
Explanation
Answer:(c)
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