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Biological Classification Animals II MCQ
Quiz 15
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Q.1
Which of the following statement is correct?
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a) Archaeopteryx is connecting link between aves and mammals.
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b) Duck billed platypus is the connecting link between mammals and reptiles.
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c) Sea horse is the connecting link between horse and fish.
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d) Hydra is the connecting link between protozoa and metazoan.
Explanation
Answer:(b)
Q.2
Bats can travel with:
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a) Eyes open and ears closed.
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b) Eyes plugged and ears open.
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c) Eyes plugged and ears closed.
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d) Eyes closed and ears plugged.
Explanation
Answer:(b)
Q.3
Solenocytes and metanephridia are the excretory organs of:
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a) Annelida and Arthropoda.
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b) Platyhelminthes and mollusca.
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c) Flatworms and annelida.
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d) Round worms and flat worms.
Explanation
Answer:(c)
Q.4
Which one the following characters are unique to Cnidaria?
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a) Sexual reproduction.
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b) Symbiotic association with other organisms.
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c) Sedentary body forms.
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d) Nematocysts.
Explanation
Answer:(d)
Q.5
Evolution of Porifera from protozoa is evidenced by animals like:
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a) Euglena.
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b) Chlamydomonas.
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c) Volvox.
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d) Paramoecium.
Explanation
Answer:(c)
Q.6
Which of the following is not correct regarding the matching of phylum and its examples?
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a) Annelida – Aphrodite, Chaetopterus, Bonnelia.
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b) Mollusca – Teredo, Aplysia, Chaetopleura.
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c) Aschelminthes – Ancylostoma, Enterobius, Tubifex.
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d) Arthropoda – Buthus, Leppesma, Leptocorisa.
Explanation
Answer:(c)
Q.7
Which of the following is a connecting link between fishes and amphibians?
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a) Sea horse.
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b) Gambusia.
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c) Latimeria.
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d) Torpedo.
Explanation
Answer:(c)
Q.8
Assertion: Marsupials exhibit aplacental viviparity. Reason: Young ones of marsupials are carried to the womb for further development.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(d)
Q.9
ssertion: Hemichordates were earlier considered as chordates. Reason: Hemichordates have notochord persistent throughout their life.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(c)
Q.10
Assertion: Some cephalopods can show learned behaviour. Reason: They have closed circulatory system and vertebrate type eyes.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(b)
Q.11
Identify the set containing larval forms of a phylum:
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a) Trichemella, Amphiblastula, Parenchymula.
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b) Miracidium, Cystericus, Metacercaria.
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c) Muller’s larva, Glochidium, Veliger.
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d) Doliolaria, Tornaria, Bipinnaria.
Explanation
Answer:(b)
Q.12
Find the character shared by Cnidaria and Ctenophora.
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a) Exclusively aquatic, both marine and fresh water.
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b) Asexual as well as sexual reproduction.
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c) Diploblastic condition with coelom.
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d) External fertilization and indirect development.
Explanation
Answer:(d)
Q.13
Select the incorrect pair:
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a) Diurnal migration – Microfilaria.
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b) Eutely – Ascaris.
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c) Apolysis – Taenia.
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d) Autotamy – Lumbricus.
Explanation
Answer:(d)
Q.14
All the following are the features of animals with pseudosegmentation, except the feature:
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a) Segments are functionally well integrated.
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b) Newer and newer segments are produced as long as the animal survives.
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c) New segments are added at the anterior end.
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d) Animals do not die, if few segments are removed from their body.
Explanation
Answer:(a)
Q.15
Match the following:
a. Collar cells
Storage of food
b. Thesocytes
External covering
c. Sceleroblasts
Intracellular digestion
d. Pinacocytes
Totipotent cells
e. Archaeocytes
Spicules formation.
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a) a → 4; b → 5; c → 2; d → 1; e → 3
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b) a → 3; b → 1; c → 5; d → 4; e → 2
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c) a → 3; b → 1; c → 5; d → 2; e → 4
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d) a → 5; b → 2; c → 4; d → 3; e → 1
Explanation
Answer:(c)
Q.16
Identify the group containing economically important molluscs only:
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a) Cliona, Pinctada, Locusta, Pheretima.
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b) Teredo, Unio, Pinctada, Locusta.
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c) Pinctada, Cliona, Unio, Limulus.
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d) Unio, Teredo, Pinctada, Perna.
Explanation
Answer:(d)
Q.17
Select the secondarily radially symmetrical animal.
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a) Pleurobranchia.
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b) Adamsia.
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c) Cucumaria.
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d) All of these.
Explanation
Answer:(c)
Q.18
The absence of circulatory system in nematodes is compensated by the presence of:
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a) Thin walled gut.
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b) Thick walled muscular gut.
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c) Eutely.
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d) Secondary coelom.
Explanation
Answer:(a)
Q.19
Which of the following is not an advantage of coelomates over pseudocoelomates?
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a) Peristaltic movement of alimentary canal.
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b) Regional specialisation of gut into gizzard or stomach and intestine.
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c) Free and independent contraction and relaxation of visceral organs.
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d) Formation of Pseudocoelom from blastocoels.
Explanation
Answer:(d)
Q.20
Bilaterally symmetrical animals can sense the new environment into which they enter and can respond more effectively and quickly. This is due to:
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a) Formation of coelom.
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b) Development of mesoderm.
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c) Cephalisation.
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d) Appearance of quadruapedalism.
Explanation
Answer:(c)
Q.21
Find the fish which was thought to be extinct until 1938, but later found to be living in small numbers.
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a) Latimeria chalumnae.
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b) Malania anjouanae.
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c) Mugil cephalus.
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d) Sardinella longiceps.
Explanation
Answer:(a)
Q.22
Select true statement: All mammals have seven cervical vertebrae. Renal portal system is absent in cyclostomes. All reptiles have 12 pairs of cranial nerves. All diploblastic animals are radially or biradially symmetrical. All birds except new world vultures have synrix.
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a) 1, 3 and 5.
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b) 2, 4 and 5.
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c) 2, 3 and 4.
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d) 1, 3 and 4.
Explanation
Answer:(b)
Q.23
Match the following:
Column A
Column B
a. Belly creepers
Herdmania
b. The master of air
Didelphis
c. Evolutionary blind offshoot
Struthio
d. Mammary foetus
Euplectella
e. Non-vertebrate chordate
Alligator
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a) a= 5 ; b = 3; c = 4; d = 2; e = 1
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b) a= 2 ; b = 3; c = 5; d = 1; e = 4
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c) a= 4 ; b = 3; c = 1; d = 5; e = 2
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d) a= 3 ; b = 2; c = 4; d = 1; e =5
Explanation
Answer:(a)
Q.24
If one of the following changes was made in the amphibian body, they could have cut the relation with aquatic life. Select the change:
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a) Cutaneous and bucco-pharyngeal respiration we absent.
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b) Direct development takes place instead of indirect development.
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c) Cleiodic eggs were produced.
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d) Web was absent in hindlimbs.
Explanation
Answer:(b)
Q.25
Which of the following is the remnant of notochord found in some adult chordates?
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a) Nuclei pulposi.
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b) Stomochord.
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c) Chorda mesoderm.
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d) Intervertebral disc.
Explanation
Answer:(a)
Q.26
The ‘First key transition’ in the evolution of animal body structure is:
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a) Formation of perivisceral cavity.
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b) Appearance of bilateral symmetry.
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c) Cell aggregates body plan and porous body.
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d) Appearance of tissues.
Explanation
Answer:(d)
Q.27
Five features and names of 5 animals are given below. From these identify the properly matched ones:
Features
Animals
a. Water canal system and Spicules
Pheretima
b. Endocrine system and Chitinous exoskeleton
Dentalium
c. Ambulacral system and tube feet
Euplectella
d. Closed circulation and nephridia
Apis mellifera
e. Sensory tentacles and feather like gills
Asterias
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a) a → 1; b → 2; c → 3; d → 4; e → 5
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b) a → 3; b → 4; c → 5; d → 1; e → 2
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c) a → 3; b → 5; c → 4; d → 1; e → 2
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d) a → 3; b → 4; c → 5; d → 2; e → 1
Explanation
Answer:(b)
Q.28
From the following characteristics, identify the organism: (i) Animal with bilateral symmetry, Triploblasty and shizocoelom. (ii) It possesses paired nerve ganglia and double ventral nerve chord. (iii) Monoecious and direct development. (iv) Dermomuscular body wall and closed circulation.
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a) Taenia.
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b) Wucheria.
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c) Laccifer.
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d) Pheretima.
Explanation
Answer:(d)
Q.29
Maximum life span of 507 years is found in Ocean Quahog. Minimum life span of 1 – 2 weeks is found in:
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a) Cicada.
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b) Butterfly.
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c) Culex.
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d) Mayfly.
Explanation
Answer:(d)
Q.30
Pentamerous radial symmetry, dorsal/upper anus and deuterostomous condition are the characteristics of:
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a) Asterias and Antedon.
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b) Dentalium and Chiton.
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c) Echinus and Aplysia.
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d) Pinctada and Palaemon.
Explanation
Answer:(a)
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