Non-chordates up to phyla

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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... Non-chordates up to phyla 1 answer
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... Non-chordates up to phyla 1 answer
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... Non-chordates up to phyla 1 answer
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... Non-chordates up to phyla 1 answer
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... Non-chordates up to phyla 1 answer
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... Non-chordates up to phyla 1 answer
Match the following :List - I / List - II(a) Physalia (i) Pearl oyster(b) Limulus (ii) Portuguese Man of War(c) Ancylostoma (iii) Living fossil(d) Pinctada (iv) HookwormChoose the correct answer from the options given below. Answer: 3. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i) Physalia - Portuguese Man of War (ii) Limulus (king crab) - living fossil (iii) Ancylostom... Non-chordates up to phyla 1 answer
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) W… Answer: 4. (b), (c) and (e) are correct Check each statement. (a) Metagenesis (alternation of generations) is seen in cnidarians, not helmin... Non-chordates up to phyla 1 answer
Which one of the following belongs to the family Muscidae ? Answer: 4. House fly The house fly, Musca domestica, belongs to family Muscidae. Fire fly is a beetle (Lampyridae), grasshopper is Acrididae... Non-chordates up to phyla 1 answer
Match List - I with List - II.List - I / List - II(a) Metamerism (i) Coelenterata(b) Canal system (ii) Ctenophora(c) Comb plates (iii) Annelida(d) Cnidoblasts (iv) PoriferaChoose the correct answer from the options given below. Answer: 3. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i) Match each feature with its phylum. Metamerism (segmentation) - Annelida (iii) Canal syste... Non-chordates up to phyla 1 answer
Bilaterally symmetrical and acoelomate animals are exemplified by : Answer: 2. Platyhelminthes Platyhelminthes (flatworms) are bilaterally symmetrical and acoelomate. Ctenophora are radially symmetrical, Asch... Non-chordates up to phyla 1 answer
Match the following columns and select the correct option.Column - I: (a) Gregarious, polyphagous pest (b) Adult with radial symmetry and larva with bilateral symmetry (c) Book lungs (d) BioluminescenceColumn - II: (i) Asterias (ii) Scorpion (iii) Ct… Answer: 2. (a) (iv), (b) (i), (c) (ii), (d) (iii) Key idea: Match each feature with the animal. Gregarious polyphagous pest: Locusta (iv) Ad... Non-chordates up to phyla 1 answer
Match the following organisms with their respective characteristics :(a) Pila (i) Flame cells(b) Bombyx (ii) Comb plates(c) Pleurobrachia (iii) Radula(d) Taenia (iv) Malpighian tubulesSelect the correct option from the following : Answer: 2. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i) Key idea: Match each animal with its characteristic organ. Pila (mollusc): radula, (iii).... Non-chordates up to phyla 1 answer
Consider following features :(a) Organ system level of organisation(b) Bilateral symmetry(c) True coelomates with segmentation of bodySelect the correct option of animal groups which possess all the above characteristics. Answer: 1. Annelida, Arthropoda and Chordata We need a group with organ-system organisation, bilateral symmetry and a true coelom with segme... Non-chordates up to phyla 1 answer
Which of the following animals does not undergo metamorphosis ? Answer: 1. Earthworm Key idea: Metamorphosis is a change from larva to adult. Moths (caterpillar), tunicates (tadpole-like larva) and starfi... Non-chordates up to phyla 1 answer
In case of poriferans, the spongocoel is lined with flagellated cells called : Answer: 2. choanocytes The spongocoel of sponges is lined by flagellated choanocytes (collar cells). Their beating drives water through the... Non-chordates up to phyla 1 answer
An important characteristic that Hemichordates share with Chordates is : Answer: 2. pharynx with gill slits Key idea: Hemichordates (e.g. Balanoglossus) share pharyngeal gill slits with chordates. (1) Hemichordate... Non-chordates up to phyla 1 answer
Match Column—I with Column—II for housefly classification and select the correct option using the codes given below :Column—I: a. Family; b. Order; c. Class; d. PhylumColumn—II: (i) Diptera; (ii) Arthropoda; (iii) Muscidae; (iv) InsectaCodes :a b c d Answer: 4. (iii) (i) (iv) (ii) The housefly is classified as: Phylum Arthropoda (ii), Class Insecta (iv), Order Diptera (i), Family Muscidae... Non-chordates up to phyla 1 answer
Choose the correct statement. Answer: 1. All cyclostomes do not possess jaws and paired fins. Cyclostomes (lampreys, hagfishes) have no jaws and no paired fins. Correct.... Non-chordates up to phyla 1 answer
In male cockroaches, sperms are stored in which part of the reproductive system? Answer: 4. Seminal vesicles In a male cockroach, the testes make sperm, which pass through the vasa deferentia to the seminal vesicles, wher... Non-chordates up to phyla 1 answer
Which of the following features is not present in *Periplaneta americana* ? Answer: 2. Indeterminate and radial cleavage during embryonic development Key idea: Cockroach (Periplaneta) is a protostome arthropod, so it... Non-chordates up to phyla 1 answer
Which of the following features is not present in the Phylum - Arthropoda ? Answer: 3. Parapodia Key idea: Arthropods have a chitinous exoskeleton, a metamerically segmented body and jointed appendages. Parapodia are... Non-chordates up to phyla 1 answer