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Biological Classification Animals II MCQ
Quiz 3
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Q.1
Sea Anemone is member of calss
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a) Hydrozoa
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b) Scyphozoa
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c) Anthozoa/Actonozoa
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d) All of the above
Explanation
Answer:(c)
Q.2
Which of the following molluscs have asymmetry due to torsion?
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a) Pila
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b) Teredo
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c) Dentalium
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d) Octopus
Explanation
Answer:(a)
Q.3
Which of the following is not associated with Hemichordata?
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a) Anterior region consists of proboscis.
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b) Indirect development.
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c) Organ system level of organization.
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d) They are monoecious.
Explanation
Answer:(d)
Q.4
Prawn and cockroach belong to same
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a) Order
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b) Family
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c) Class
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d) Phylum
Explanation
Answer:(d)
Q.5
Chalina is
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a) Porifera
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b) DeadMan’s fingure
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c) Mermaid’s Glove
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d) All of the these
Explanation
Chalina, Phylum is Porifera Mermaid's Glove . [Chalina oculata ], the largest of British sponges, so called because its branches resemble fingers. or DeadMan’s fingure [Chalina] it resembles a hand with several fingers. Answer:(d)
Q.6
In how many of the following animals is bioluminescence visible: Aurelia, Fasciola, Pleurobranchia, Ctenoplana, Pyrosoma, Ascaris, Pheretima.
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a) 4
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b) 7
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c) 3
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d) 2
Explanation
Answer:(a)
Q.7
Green glands present in some arthropods help in
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a) Respiration
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b) Digestion
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c) Excretion
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d) Provide green colour to body
Explanation
Answer:(c)
Q.8
The green colour of Hydra viridis (Chlorohydra viridissima) is due to
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a) Chloroplasts
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b) Pigment
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c) Zoochlorella
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d) All of the above
Explanation
Answer:(c)
Q.9
Coxal glands are excretory organs in
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a) Birds
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b) Porifera
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c) Scorpions
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d) Annelida
Explanation
Answer:(c)
Q.10
Name the worm-like mollusc with tube like shell and no respiratory organ
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a) Chiton
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b) Chaetoderma
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c) Neopilina
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d) Dentalium
Explanation
Answer:(d)
Q.11
Find the incorrect matching:
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a) Choanocytes – cells that line the canals and Spongocoel of sponges.
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b) Cnidoblast – Defensive weapons mostly found in the tentacles of comb jellies
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c) Comb plates – Ciliated plates that aid in locomotion in sea walnuts.
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d) Radula – Rasping tongue that aids in feeding in Mollusca.
Explanation
Answer:(b)
Q.12
Centipedes and millipedes belongs to the class
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a) Insecta
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b) Myriapoda
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c) Crustacea
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d) Arachnida
Explanation
Answer:(b)
Q.13
The characters like hard exoskeleton, cephalothorax, gills for respiration are present in which of the following
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a) Insecta
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b) Myriapoda
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c) Crustacea
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d) Polychaeta
Explanation
Answer:(c)
Q.14
Which of the following groups of systems are absent in Platyhelminthes:
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a) Skeletal, circulatory, digestive
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b) Respiratory, excretory, digestive.
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c) Digestive, nervous, reproductive.
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d) Skeletal, respiratory, circulatory.
Explanation
Answer:(d)
Q.15
Which group of animals belongs to the same phylum:
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a) Limulus, Sepia, Aplysia.
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b) Cucumaria, Antedon, Ophiura.
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c) Sepia, Aplysia, Taenia.
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d) Euplectella, Pleurobranchia, Euspongia.
Explanation
Answer:(b)
Q.16
Nervous system of Hydra is made up of
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a) Ganglionated nerve cords
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b) Well-defined nerves
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c) Polarized nerve cells
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d) Non-polar nerve cells
Explanation
Answer:(d)
Q.17
Select the phylum with wrong examples:
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a) Aschelminthes – Wuchereria.
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b) Arthropoda – Locusta.
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c) Platyhelminthes – Pleurobranchia.
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d) Coelenterata – Physalia.
Explanation
Answer:(c)
Q.18
Sponges with skeleton of only spongin fibres occur in
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a) Calcarea
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b) Demospongiae
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c) Hexactinellida
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d) All the above
Explanation
Answer:(b)
Q.19
Euplectella belongs to class
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a) Homocoela – calcarea
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b) Hexactinellida
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c) Demospongiae
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d) Hydrozoa
Explanation
Answer:(b)
Q.20
The female of Ascaris worms are:
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a) Longer than males
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b) Shorter than males.
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c) Of same size of males
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d) Round in shape
Explanation
Answer:(a)
Q.21
Which of the following statements about molluscs are true/false: (i) In Molluscs gills have respiratory and excretory function. (ii) They are basically oviparous. (iii) In Molluscs the posterior region has sensory tentacles. (iv) Mantle cavity contains file like rasping organ for feeding called Radula. (v) They are triploblastic coelomates and usually with bilateral symmetry.
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a) (i), (ii) and (iii) are true but (iv) and (v) are false.
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b) (ii), (iii) and (iv) are true but (i) and (v) are false.
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c) (i), (ii) and (v) are true but (iii) and (iv) are false.
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d) (ii) and (iv) are true but (i), (iii) and (v) are false.
Explanation
Answer:(c)
Q.22
Which of the following characters distinguish a hemichordate from a chordate?
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a) Presence of external fertilization and indirect development
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b) Absence of paired pharyngeal gill slits and post anal tail.
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c) Presence of epidermal nervous system
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d) Absence of bilateral symmetry and open circulation.
Explanation
Answer:(c)
Q.23
The body of arthropods is covered by:
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a) Calcareous shell
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b) Chitinous exoskeleton
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c) Calcium carbonate
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d) Calcium phosphate
Explanation
Answer:(b)
Q.24
Flame cells are the excretory organs in:
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a) Protozoans
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b) Cnidarians
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c) Flatworms
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d) Amphibians
Explanation
Answer:(c)
Q.25
Cnidarians among the following list are: (i) Physalia (ii) Fasciola (iii) Sycon (iv) Branchiostoma (v)Meandrina (vi) Antedon (vii) Pennatula (viii) Pinctada.
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a) (i), (iv), (v), (viii)
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b) (i), (v), (vii)
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c) (ii), (vi), (v), (vii)
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d) (i), (v), (vi), (viii)
Explanation
Answer:(b)
Q.26
Match the phyla given in column I with their characteristics features in column II.
Column I
Column II
a. Porifera
Segments as rings
b. Cnidaria
Presence of comb plates with cilia
c. Ctenophora
Appear to be rounded in cross section
d. Platyhelminthes
Presence of stinging cells
e. Aschelminthes
Presence of tiny ostia and wide osculum as opening
f. Annelida
Dorsoventrally flattened animals
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a) a →5 ,b →4 ,c → 2,d →6 ,e →3 ,f →
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b) a →5 ,b →4 ,c →2 ,d →1 ,e →3 ,f →6
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c) a →5 ,b →3 ,c →2 ,d → 1 ,e →4 ,f → 6
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d) a →5 ,b →6 ,c → 2 ,d →4 ,e →3 ,f → 1
Explanation
Answer:(a)
Q.27
The larvae of echinoderms are
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a) Brachiolaria and Auricularia
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b) Trochophore and Pluteus
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c) Veliger and Ephyra
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d) Parenchymula and Cercaria
Explanation
Answer:(a)
Q.28
The intercommunication cavities in the body of a sponge constitute
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a) Water vascular system
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b) Canal system
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c) Circulating system
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d) All of these
Explanation
Answer:(b)
Q.29
Select the correct statements from the following; (i) All sponges are showing asymmetry and calcareous Spicules. (ii) Calcareous ossicles are endoskeleton in Antedon, Asteropecten and Neopilina. (iii) Osphradium in shelled organisms help for testing the chemical nature of water. (iv) Fasciola infects its primary host and intermediate host in onchosphere and cysticercus larva respectively. (v) Most of the triploblastic animals are protostomes and enterocoelomates.
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a) (i), (ii) and (iii) are correct.
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b) (iii) alone is correct
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c) (iii) and (iv) are correct
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d) All are correct.
Explanation
Answer:(b)
Q.30
If the skin of the earthworm dries, it dies due to
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a) Dehydration
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b) Toxicity
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c) Starvation
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d) Asphyxia
Explanation
Answer:(d)
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