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PYQs/Biology/Animal Kingdom

Biology2025easy

Animal Kingdom

All living members of the class Cyclostomata are :

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Animal Kingdom

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Role of the water vascular system in Echinoderms is : $\\$ A. Respiration and Locomotion $\\$ B. Excretion and Locomotion $\\$ C. Capture and transport of food $\\$ D. Digestion and Respiration $\\$ E. Digestion and Excretion $\\$ Choose the correct answer from the options given below :

Match List-I with List-II

Given below are two statements: $\\$ Assertion (A) : All vertebrates are chordates but all chordates are not vertebrate. $\\$ Reason (R) : The members of subphylum vertebrata possess notochord during the embryonic period, the notochord is replaced by cartilaginous or bony vertebral column in adults. $\\$ In the light of the above statements, choose the correct answer from the options given below:

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The following are the statements about non-chordates : A. Pharynx. is perforated by gill slits. B. Notochord is absent. C. Central nervous system is dorsal. D. Heart is dorsal if present. E. Post anal tail is absent. Choose the most appropriate answer from the options given below :

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Read the following statements $\\$ (a) Metagenesis is observed in Helminths. $\\$ (b) Echinoderms are triploblastic and coelomate animals. $\\$ (c) Round worms have organ-system level of body organization. $\\$ (d) Comb plates present in ctenophores help in digestion. $\\$ (e) Water vascular system is characteristic of Echinoderms. $\\$ Choose the correct answer from the options given below:

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