Non-chordates up to phyla
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See all →- Role of the water vascular system in Echinoderms is :A. Respiration and LocomotionB. Excretion and LocomotionC. Capture and transport of foodD. Digestion and RespirationE. Digestion and ExcretionChoose the correct answer from the options given below… Answer: 2. A and C Only Key idea: The water vascular system of echinoderms (tube feet) works in locomotion, capture and transport of food, a... 1
- Consider the following statements :A. Annelids are true coelomatesB. Poriferans are pseudocoelomatesC. Aschelminthes are acoelomatesD. Platyhelminthes are pseudocoelomatesChoose the correct answer from the options given below : Answer: 3. A only Key idea: coelom type of each phylum. A: Annelids are true coelomates (metameric segmentation) - correct. B: Poriferans ar... 1
- Match List I with List II :List I:A. PleurobrachiaB. RadulaC. StomochordD. Air bladderList II:I. MolluscaII. CtenophoraIII. OsteichthyesIV. HemichordataChoose the correct answer from the options given below : Answer: 3. A-II, B-I, C-IV, D-III Key idea: match each term with its phylum or class. Pleurobrachia (sea walnut) - Ctenophora (A-II). Radula... 1
- Match List I with List II.List I: A. Taenia; B. Paramoecium; C. Periplaneta; D. PheretimaList II: I. Nephridia; II. Contractile vacuole; III. Flame cells; IV. Urecose glandChoose the correct answer from the options give below: Answer: 4. A-III, B-II, C-IV, D-I Key idea: Match the animal with its excretory structure. Taenia: flame cells (III). Paramoecium: contracti... 1
- Radial symmetry is NOT found in adults of phylum ________. Answer: 3. Hemichordata Key idea: Adult hemichordates (such as Balanoglossus) are bilaterally symmetrical. Adult echinoderms, ctenophores an... 1
- In which of the following animals, digestive tract has additional chambers like crop and gizzard ? Answer: 1. Pavo, Psittacula, Corvus Key idea: Birds have a crop and a gizzard in the digestive tract. Pavo (peacock), Psittacula (parrot) an... 1