Questions

Write True or False

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39 questions · self-marked practice — reveal the answer and mark yourself.

Question 41 Mark
Animals belonging to phylum Annelida perform locomotion with the help of tube-feet.
Answer
False. (Animals belonging to phylum Echinodermata perform locomotion with the help of tube-feet.)
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Question 61 Mark
Aschelminthes have acoelomate and bilaterally symmetrical body.
Answer
False. (Platyhelminthes have acoelomate and bilaterally symmetrical body. OR Aschelminthes have pseudocoelomate and bilaterally symmetrical body.
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Question 81 Mark
Arthropoda animals bear numerous pores on their body.
Answer
False. (Porifera animals bear numerous pores on their body.)
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Question 101 Mark
Greek philosopher Linnaeus was the first to perform the animal classification.
Answer
False. (Greek philosopher Aristotle was the first to perform the animal classification.)
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Question 121 Mark
Cnidoblast bearing tentacles are present around the mouth in Porifera.
Answer
False : Cnidoblast bearing tentacles are present around the mouth in Coelenterata.
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Question 131 Mark
In urochordata, notochord is present throughout the body length.
Answer
False : In urochordata, notochord is present in only tail region.
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Question 181 Mark
The body of molluscs is covered with calcareous spines.
Answer
False : The body of molluscs is soft and slimy.
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Question 201 Mark
The body of arthropods is covered by a tough cuticle.
Answer
False : The body of arthropods is covered by a chitinous exoskeleton.
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Question 241 Mark
Tentacles of coelenterates help in injecting toxin in the body of prey.
Answer
False : Tentacles help in capturing prey. 
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Question 301 Mark
In cyclostomata, the endoskeleton is bony.
Answer
False : In cyclostomata, the endoskeleton is Cartilagenous.
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Question 331 Mark
Animals with true body cavity are called acoelomates.
Answer
False : Animals with true body cavity are called eucoelomates.
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Question 361 Mark
In non-chordates, pharyngeal gill-slits are present.
Answer
False : In non-chordates, pharyngeal gill slits are,absent.
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Question 371 Mark
Classification proposed by Aristotle is known as 'Natural method of classification'.
Answer
False: The classification was known as 'Artificial method of classification'.
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Question 391 Mark
Platyhelminthes show 'organ system grade organization'.
Answer
False : Platyhelminthes show 'Tissue organ grade organisation'.
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