Life Sciences
GATE XL topic:animal-diversity PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–15 of 15. Imported answers require independent review unless marked reviewed.
Question 7
Open questionXL-TMCQ1 markNeeds review
Which one of the following animals is named as a “living fossil”, where the animal is persisting above 400 million years without further major morphological evolution?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 1
Open questionXL-TMCQ1 markNeeds review
Animals belonging to phylum Echinodermata are closer to chordates than other invertebrate phyla. Which ONE of the following reasons can account for this relatedness?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 11
Open questionXL-TMCQ2 marksNeeds review
Match the disorders/diseases listed in Column I to their respective causative agents listed in Column II.
Column I: I) African tick bite fever; II) Yellow fever; III) Microcephaly; IV) Sleeping sickness
Column II: i) Trypanosoma gambiense; ii) Zika virus; iii) Rickettsia sp.; iv) Flavivirus
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 17
Open questionXL-TMCQ2 marksNeeds review
Match the organisms listed in Column I with the features listed in Column II
Column I
I) Tapeworm
II) Jellyfish
III) Trichinella
IV) Earthworm
Column II
(i) Bioluminescence
(ii) Viviparous
(iii) Lateral heart
(iv) Microvilli on the body surface
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 76
Open questionXL-TMCQ1 markNeeds review
The characteristic feature of deuterostomes is depicted by
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