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1, , 2., , 3., , 7., , Living organism differ in, , (a) Shape (b) Form (c) Size and habit (d) All of these, Which is not a character of sponges?, (a) Multicellular (b) Cells are functionally independent, (c) Cellular level of organization (d) Tissue level of organization, Which phylum shows tissue level of organization?, (a) Protozoa (b) Porifera (c) Coclenterate (d) All of these, . Organ system level of organization is not found in, (a) Annelida (b) Arthropod (c) Molluscs (d) Platyhelminthes, Incomplete digestive tract (blind sac body plan) is found in, (a) Annelida (b) Arthropod (c) Molluses (d) Platyhelminthes, Closed type of circulatory system is present in, (a) Annelida and arthropod (b) Arthropod and mollusc, (c) Annelida and cephalopods (d) Molluse and echinodermates, In open type of circulatory system, , (a) Blood flow in sinuses, (b) Blood pressure is low and irregular, (c) It is found in arthropods and molluscs (except cephalopods), , (d) All are true, Closed type of circulatory system is found in, (a) Annelida (b) Cephalopods (c) Vertebrate (d) All of these, , What is false about closed circulatory system?, , (a) Blood pressure is high and regular, , (b) Amount of blood is limited, , (c) Blood circulates through arteries, veins and capillaries, , (d) Blood pressure is low and irregular, , When the body of an animal can be divided into cqual left and right halves by one plane, symmetry. It is known as, , (a) Bilateral (b) Radial (c) Biradial —_t, m@MBOOkEwrrer Official, , D-Asymmetric, , Scanned by CamScanner

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il., , 12,, , 13., , 4., , 16., , 17,, , 18., , DrYD9799886545, , Radial symmetry is shown by, , (a) Coclenterate (b) Platyhelminthes, , (c) Adult echinodermates (d) Both (a) and (c), , Most of the sponges are, , (a) Bilateral (b) Radial (c) Biradial (d) Asymmetric, The first diploblastic animal is, , (a) Coelenterates (b) Platyhelminthes (c) Aschelminthes (d) Annelida, The first triploblastic animal is, (a) Coclenterates (b) Platyhelminthes (c) Aschelminthes (d) Annelida, , Triploblastic animal contains, , (a) Ectoderm (b) Mesoderm (c) Endoderm (d) All of these, Aschelminthes are, , (a) Eucoclomate (b) Pscudococlomate (c) Acoclomate (d) None of these, Which of the following is acoelomate?, , (a) Porifera (b) Coelenterates (c) Platyhelminthes (d) All of these, Metameric segmentation is found in, , (a) Annelida (b) Arthropod (c) Both (a)and(b) — (d)_Platyhelminthes, Notochord is derived from which layer?, , (a) Ectoderm (b) Mesoderm (c) Endoderm (d) All of these, Which of the following is correct about notochord?, , (a) Dorsally situated (b) Mesodermal in origin, , (c) Rod like (d) All of these, , Radial symmetry is shown by, , (a) Ctenophores (b) Coelenterates, , (c) Adult echinodermates (d) All of these, , The undifferentiated layer present between the ectoderm and endoderm in coelenterate is, (a) Mesophyll (b) Gastral layer (c) Archenteron (d) Mesoglea, , Which of the following is correct about mctamerism (true segmentation)?, (a) Every organ shows serial repetition., , (b) The body is divided externally as well as internally, , (c) Each segment is not supplied with separate nerve and blood vessels., {d) All of these, , In some animals, the body cavity is not lined by mesoderm. Instead the mesoderm is present, as scattered pouches in between the ectoderm and endoderm, Such a body cavity is called, , (a) Eucoclom (b) Pscudococlom, (c) Acoelom (d) Any of the above, The following are coclomates except (true coclom), (a) Annelida (b) Platyhelminthes, (c) Mollusca (d) Chordata, t.me/BookCornerOfficial, , Scanned by CamScanner

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Animal Classification 43, , , , 26., , 27., , 31., , 32., , 33., , 35., , Select the total number of organism from the following which are sessile:, Amoeba, Euglena, Adamsia, Spongilla, Hydra, Jelly fish, Earthworm, (a) 1 (b) 2 (c) 3 (d) 4, , Which of the following is incorrect about Porifera?, {a) It is a solitary or colonial organism, (b) Majority live in sea and some live in fresh water, , watsiaeame DTYD9799886545, , Members of phylum Porifera are commonly known as, , (a) Flatworms (b) Roundworms (c) Sponges (d) Corals, Water path in sponges is, , (a) Ostia + Spongocoel + Osculum (b) Osculum + Spongocoel — Osculum, (c) Ostia > Spongocoe! — Ostia (d) Spongocoel + Ostia + Osculum, The unique character of sponges is, , (a) Choanocytes or collar cells line, the spongocoel and the canals., (b) That they are hermaphrodite., , (c) That they live in marine water., , (d) It reproduces by asexual means only., , The character possessed by all sponges are, (a) That all are fresh water (b) All possess tissue level of organization, (c) External fertilization (d) Hermaphrodite, , Select the total number of statements belonging to sponges:, , (1) Cellular level of organization., , (2) Body is supported by endoskelcton made up of spicules or sponging fibres., , (3) Larva stage is morphologically different from adult., , (4) Pathway of water transport is helpful in gathering of food, respiratory exchange and, removal of waste., , (5) Hermaphrodite organism., , (6) They show the power of regeneration., , (a) 5 (b) 6 (c) 4 (d) 3, , Select the fresh water sponge from the following:, , (a) Sycon (b) Euspongia (c) Spongilla (d) Hyalonema, , Another name of sycon is, , (a) Scypha (b) Euspongia (c) Spongilla (d) Hyalonema, , Match the following:, , Column I Column I, , A. Sycon - 1. Bath sponge, , B. Spongilla - 2. Scypha, , C. Euspongia - 3. Fresh water sponge, , (a) A-2, B-3,C-1 (b) A-1, B-2,C-3, , (c) A-3, B-2,C-1 (d) A-3, B-1, C-2, t.me/BookCornerOfficial, , Scanned by CamScanner

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44 Animal Classification, 36. Select the total number of marine sponges from the following:, Leucosolenia, Euspongia, Spongilla, Sycon, Hyalonema, (a) 3 (b) 4 (c) 5 (d) 2, 37. The primitive multicellular animals having cellular level of organization are, (a) Ctenophores (b) Sponges (c) Corals (d) Crustacean, 38. Water enters through minute pores in the body wall into central cavity in sponges. These, , 41., , 42., , 44., , 45., , minute pores are known as, (a) Osculum (b) Ostia (c) Spongocoel (d) Any of the above, , In sponge, the sperm and ova are produced by the same individual. Such types of organisms, are called, , (a) Asexual (b) Unisexual (c) Hermaphrodite (d) Dioecious, Canal system and choanocytes are characteristic of, , (a) Ctenophora (b) Coelenterates ({c) Platyhelminthes (d) Porifera, , In sponges, the commonly seen larva are, , (a) Amphiblastula (b) Parenchymula (c) Planula (d) Both (a) and (b), Digestion in sponges is, , (a) Intracellular (b) Extracellular (c) Both (a)and(b) = (d) None of these, , Which of the following is correct about reproduction in sponges?, (a) The mode of asexual reproduction such as gemmule formation, budding and fragmentation., , 2 Sage» DTYDO 799886545, , (d) All of these, , Exogenous budding is seen in case of, , (a) Scypha (b) Euspongia (c) Spongilla (d) Hyalonema, The following characters are related to phylum:, , (1) Aquatic, mostly marine (2) Sessile or free swimming, , (3) Radially symmetrical animals (4) They show polymorphism, , (a) Porifera (b) Ctenophora (c) Echinodermata = (d)_ Coelenterata, Cnidoblast is a characteristic feature of, , (a) Porifera (b) Coelenterata (c) Ctenophora (d) Arthropoda, The first diploblastic animal showing tissue level of organization is, , (a) Sycon (b) Gorgonia (c) Taenia (d) Locust, Cnidoblast is used for, , (a) Anchorage (b) Defense {c) Capture of prey (d) All of these, Select the total number of organisms from the following which shows both intra and cxtra, cellular digestion., , Physalia, Pleurobrachia, Taenia, Culex, Apis, Neries, Echinus, Salpa, Meandrina, Pennatula,, Doliolum, Catla, Hyla, Adamsia, Gorgonia, Ctenoplana., (a) 6 (b) 8 (c) 7 (d) 10, , t.me/BookCornerOfficial, , Scanned by CamScanner

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Animal Classification, , , , Si., , 52., , 57., , 62., , — DrYD9799886545, , (a) Petromyzon Hag fish, , (b) Echinus - Brittle star, , (c) Apis - Silkworm, , (d) Pennatula ~ Sea pen, , Select incorrect matching:, , (a) Locusta - Locust, , (b) Cucumaria ~ Sea cucumber, , (c) Meandrina - Sea anemone, , (d) Echinus - Sea urchin, , Some cnidarians examples corals have a skeleton composed of, , (a) Spongin fibres (b) Silica, , (c) Calcium carbonate (d) Any of these, , Metagenesis is shown by, , (a) Hydra (b) Adamsia (c) Aurelia (d) Obelia, Which of the following is not true fish?, , (a) Exococtus (b) Betta (c) Saw fish (d) Jelly fish, , The umbrella shape and free swimming form of coelenterate reproduced by sexual reproduction is, , (a) Polyp (b) Medusa (c) Both(a)and(b) (d) None of these, Sessile, cylindrical form of coclenterate reproduced by asexual reproduction is, , (a) Polyp (b) Medusa (c) Both (a) and(b) (d) None of these, , Polyp —» Asexually > Medusa —> Sexually — Polyp, , The above cycle is shown by, , (a) Physalia (b) Aurelia (c) Obelia (d) Hydra, , Select from the following total number of organisms which contain the word ‘sea’ in their, common names,, , Physalia, Adamsia, Pennatula, Gorgonia, Meandrina, Hydra, Aurelia, Obelia, , (a) 2 (b) 3 (c) 4 ({d) $, , Which of the following is known as Portuguese man-of-war?, , (a) gorgonia (b) aurelia (c) physalia (d) obelia, , The phylum in which first time nerve net arises, , (a) Porifera (b) Coelenterate (c) Platyhelminthes (d) Protozoa, , Gastro-vascular cavity with single opening is found in, , (a) Porifera (b) Coelenterate (c) Aschelminthes (d) Annelida, , Coelenterates asexually reproduce by, , (a) Budding (b) Gametes (c) Conidia (d) Gemmules, , The larva stage shown by coclentcrate is called, , (a) Amphiblastula (b) Parenchymula (c) Planula (d) All of these, t.me/BookCornerOfficial, , Scanned by CamScanner