K Sa Basis of classification Which of the following is a basic feature of all the organisms of Animalia? [Pg-46,E] A) Multicellular structure B) Sensory and neuromotor system C) Terrestrial habitat D) Locomotion Which of the following lack tissue grade organization? [Pg-46,E] A) Metazoans B) Eumetazoans C) Parazoans D) None of these Match the columns. [Pg-46,47,M] ANIMAL KINGDOM ‘Column-T Column-IT {A)_| Organ Tevel (i) | Pheretima (B) [Cellular aggregate | (2) | Fasciola level {C)_| Tissue level (GB) Spongila {D) | Organ system level] (4) | Obelia Codes- 4 @ © A 2 4 3 1 Boo2 03 4 «1 cq 4 1 2 3 D) If both assertion and reason are false. Choose the correct option [Pg-47,H] A) Ctenophores and _platyhelminthes possess complete digestive system. B) Aschelminthes to chordates, all possess organ system level of organization along with complete digestive system. C) Coelenterates and aschelminthes Possess organ system level of organization along with complete digestive system. D) Poriferans may possess complete digestive system The entry of food and exit of waste takes place from separate openings in [Pg- 47M] TG: @Chainaayaaar CERT LINE BY LINE 5 ZOOLOGY A) organisms having digestive system B) coelenterates, Platyhelminthes C) organisms having complete digestive system D) organisms having cellular level of organization Which of the following is incorrect? [Pg- 47M] A) Some division of labour (activities) occur among the cells in the members of phylum porifera. B) Division of labour (activities) is completely absent among the cells in poriferans, Open circulatory system is found in Tunicates, hemichordates, and non- cephalopod molluscs. D) All of these Choose the incorrect option. [Pg-47,M] ‘A) Complete digestive system - Two openings, mouth and anus Incomplete digestive system - Single opening system Open circulatory system - Blood is circulated through tubes Closed circulatory system - Arteries veins and capillaries present Choose the correct body symmetry shown in the diagram. (Pe-47,E] incomplete ctenophores and C) B) ° D) A) A- Radial, B - Bilateral B) A~ Bilateral, B ~ Pentamerous C) A-~ Radial, B - Pentamerous D) A- Bilateral, B~ Radial The diagram below shows the diploblastic and triploblastic germ layers in the animals. Identify the correct option in which they are found. [Pg-47,E] © scanned wh OnE Scaner10. il. 12. A) A- Radial, B - Bilateral B) A - Bilateral, B ~ Pentamerous ©) A~ Radial, B - Pentamerous D) A- Bilateral, B - Radial Choose the true statement: [Pg-47,M] A) Animals like annelids, arthropods, aschelminthes, molluscs, hemichordates and —_chordates possess bilateral symmetry. B) Most of the animals possess bilateral symmetry. C) Platyhelminthes was the first phylum during evolution to exhibit bilateral symmetry. D) All of these Study the types of animals with respect to the presence or absence of body cavities: [Pg-48,E] A) A-Molluscs, B - Chordates B) A~ Annelida, B ~ Porifera C)A - — Coelenterates, 9B ~ Platyhelminthes, D) A~ Molluscs, B ~ Porifera Which of the following option is wrong? [Pg-47.M] A) Coelenterates and ctenophores are diploblastic. B) Animals from platyhelminthes to chordates are triploblastic. C) Radially symmetric animals remain attached to a surface by their aboral surface. 13, 14, 15. 16. ZOOLOGY D) Mesoglea is an undifferentiated layer which do not form any tissue or organ. Choose the incorrect match [Pg-47,M] A) Tube-within-tube body _ plan: Nemathelminthes, Annelida, Arthropoda, ‘Mollusca, Echinodermata, Chordata B) Cell-ageregate type body plan: Coelenterates C) Blind-sac type body plan: Platyhelminthes and coelenterates D) None of these Which of the following is/are the function of coelom? [Pe-48,H] A) Absorb shock or provide hydrostatic skeleton B) Support shock or provide hydrostatic skeleton C) Allow muscles to grow independently of the body wall D) All of these The diagram below shows the diploblastic and triploblastic germ layers in the animals. Identify the correct option in which they are found. [Pg-47,E] A) A- Molluscs, B - Chordates B) A- Annelida, B - Porifera C)A - Coelenterates, 9B Platyhelminthes D) Molluscs, B - Porifera Choose the incorrect option [Pg-48,H] A) True coclom is a body cavity which arises as a cavity in the embryonic mesoderm. B) Digestive cavity is found in acoelomates, pseudocoelomates as well as coelomates. C) The body cavity of arthropods and non- cephalopod molluscs is called haemocoel. D) There is no cavity between the body wall and gut wall in echinoderms. CERT LINE BY LINE 6 (OF scanned thon camerZOOLOGY Metamerism is present in [Pg-48,E] ©) I, Manav A) annelids D) Tonly B) arthropods 21, Identify the correct labels A and B. ©) chordates [Pe-48,E] D) all of these Wotochord Werve Cord Choose the incorrect match: [Pg-47,E] A Part of nervous A) Coelenterates - Radial symmetry system B) Molluscs Radial symmetry in adults || Found in Found in chordates as, C) Platyhelminthes - Triploblastic chordates well as non- D} Ctenophores - Triploblastic only ___|_chordates Choose the correct label for A, B,C and || Dorsal side in D in the broad Classification of Kingdom Animalia based on common fundamental AA = = Exoskeleton, B = Dorsal in features as given below. [Pg-47,E] chordates as well as in non-chordates ee B) A = Endoskeleton; B = Ventral in said fey bomb chordates as well as in non-chordates at B cn net chordates and dorsal in non- mas =| a chordates saint, erate cine D) A = Endoskeleton; B = Dorsal in | Neti meres, (neil chordates and ventral in non- ‘pela —P Athan chordates en, J See ©) A = Exoskeleton; B = Ventral in esaee Eevee True coelom appear in which of the ee following during evolution? [Pg-48,E] A) Echinodermata x B c D B) Annelida Bilateral [Porifera | Ctenophora | Coclomat C) Platyhelminthes Radial [Pork agi Ra D) Aschelminthes “epee fenophora | eoeloma The layer absent in the embryos of Bilateral |Porfera | Clenophora | Cosiomat diploblastic animals is [Pg-47,E] é A) ectoderm B) endoderm Radial | Gtenophora | Porlfera | Aeoeloma C) mesoderm —_D) mesoglea te . Nerve cells and tissue level of organization first appeared in [Pg-46,E] Choose the incorrect statement. A) coelenterates B) ctenophora () _ Notochord is ectodermally derived C) chordate D) porifera rod-like structure. . In some animal groups, the body is found (il) Notochord is formed on the dorsal divided into compartments with at least side during ‘embryonic some organs. This characteristic feature development. is called [Pg-48,E] (I) The animals from porifera to A) segmentation Echinoderms are —_ without B) metamerism notochord. C) metagenesis (IV) In some chordates, notochord is D) poctamorphosis Body cavity is the cavity present between replaced by the vertebral column ‘and Giese chordates are called body wall and gut wall. In some animals vertebrates: the body cavity is not lined by mesoderm. [Pe-48,M] ” Such animals are called [Pg-48,E] A) land | A) acoelomate B) L,I], and ill B) pseudocoelomate CERT LINE BY LINE © scanned wh OnE Scaner27. C) coelomate Dj haemocoelomate Match the following Columns [Pg-47,M] Column-I Column-IT (Phylum) (Characteristic Features) fA) Porifera ()_[Canal system (By Aschelminthes | (2) | Water vascular system io ‘Annelida, (@) | Muscular pharynx (D) ‘Arthropoda (4) | Joined appendages Ee Echinodermata | (5) | Metameres 28. 29, 30. Select the correct option 4 8 © © & A 1 3 5 4 2 Bol 20 30 4) 5 Oo 5 4 3 2 1 D406 630 (12S Which of the following animals are true coelomates with bilateral symmetry? [Pg- 47,5] A) Adult echinoderms B) Aschelminthes C) Platyhelminthes D) Annelids Assertion: The primary character of chordates is the presence of dorsal hollow nerve cord. [Pg-48,H] Reason: Vertebral column is derived from the notochord. ‘A) Both Assertion and Reason are true and Reason is correct explanation of Assertion. B) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. ©) Assertion is true, but Reason is false. D) Assertion is false, but Reason is true. Assertion: Animals with radial symmetry has more advantage in detecting food and danger. Reason: It allows animal to be able to respond to stimulus from any direction. [Pe-47.H] ‘A) Both Assertion and Reason are true and Reason is correct explanation of Assertion. 31. ZOOLOGY B) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. C) Assertion is true, but Reason is false. D) Assertion is false, but Reason is true. Assertion: Aschelminthes represent pseudocoelomates. Reason: In aschelminthes, mesoderm is present as scattered pouches in between ectoderm and endoderm. [Pg-48,H] A) Both Assertion and Reason are true and Reason is correct explanation of Assertion. B) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion. C) Assertion is true, but Reason is false. D) Assertion is false, but Reason is true. PORIFERA Sponges are [Pg-49,E] A) with water canal system B) sexually reproducing by formation of gametes ©) both (a) and (b} D) sessile or free-swimming In case of poriferans, the spongocoel is lined with flagellated cells called [Pg- 49,E) A) ostia C) choanocytes D) mesenchymal cells Body having meshwork of cells, internal cavities lined with food _ filtering flagellated cells and indirect development are the characteristics of phylum [Pg- 49,E) A) coelenterate —_B) porifera C) Mollusca D) protozoa In most simple type of canal system of porifera, water flows through which one of the following ways? [Pg-49,M] A) Ostia + Spongocoel + Osculum — Exterior B) Spongocoel + Ostia + Osculum — Exterior C) Osculum —+ Spongocoel + Ostia Exterior D) Osculum —+ Ostia + Spongocoel > Exterior B) oscula CERT LINE BY LINE 8 © scanned wh OnE Scaner36. 37. 38. 39. 40. Examine the figures A, B, and C. [Pg- 49,E) In which one of the four options all the animals (Poriferans) are correct? A) A - Sycon, B - Euspongia, C - Spongilla B) A - Euspongia, B - Spongilla, C - Sycon C) A - Spongilla, B - Sycon, C - Euspongia D) A - Euspongia, B - Sycon, C - Spongilla Which of the following is a freshwater sponge? [Pg-50,E] A) Euspongia B) Euplectella ©) Spongilla D) Sycon In poriferans, the rudimentary division of labour is found between the [Pg-49,E] A) tissue B) cells C) organs D) organ-system_ Which of the following is not a characteristic of class Porifera? [Pg- 49, (| Development is indirect (larval stage is present) (1) Mostly asymmetrical and usually marine Primitive multicellular animals with cellular level of organization. Choanocytes line the spongocoel and the canals. (VY) Sexes are separate A) Land IV B) Il only ©) Vonly Dj Il and 1v Choose the correct characteristic for sponges. [Pg-49,M] cm) (iy) ZOOLOGY A) They are highly regenerative B) They are universally symmetrical C) The contain clarions spicules but lack the siliceous one D) They are found only in fresh water radially COELENTERATA 41. 44. Cnidocytes are [Pg-50,H] A) also called cnidoblast or nematocyte B) explosive cells each of which contain giant secretory organelle called nematocyst C) stinging cells D) with all the above features Consider the following statements about cnidarians: [Pg-50,H] () They have tissue level of organization and triploblastic. (Il) Digestion is extracellular intracellular. Corals secrete calcium bicarbonate form a skeleton. Corals may harbour some photosynthetic dinoflagellates for taking nutrition. (Vv) They possess a central gastro- vascular cavity with a single opening mouth in hypostome. A) Statements | and III are correct B) Statements Il, IV and V are correct C} Statements I, If and III are correct D) Statements Ill and IV are incorrect Here two basic body forms of cnidarians are given. [Pg-50,E] and (a) uw) a A) Aand B are false swimming forms B) Aand Bare sessile form C) Aproduce B asexually and B form the ‘A’ sexually D) B produce A sexually and A form the ‘B’ sexually Match the columns. [Pg-50,M] Column-T ‘Column-I (ay Gorgonia [11] | Sea fan CERT LINE BY LINE ° (OF scanned thon camer