InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Gonads of Obelia occurA. on blastocystB. in hydrula stageC. in radial canals of medusaD. in bases of tentacles of muscles |
| Answer» Correct Answer - C | |
| 152. |
The proximal end of hydra has no adhesive disc, which secretes a sticky substance forA. protectionB. defence from enemiesC. sexual attractionD. attachement to the substratum |
| Answer» Correct Answer - C | |
| 153. |
Hydra moves byA. glidingB. climbingC. walkingD. All of these |
| Answer» Correct Answer - D | |
| 154. |
If a Hydra is cut into two partsA. Mouth and basal disc develop at any endB. Mouth and basal disc develop according to premouth and basal disc in parent HydraC. Hydra without mouth and basal discD. None of these |
| Answer» Correct Answer - B | |
| 155. |
The smallest cnidoblast in the body of Hydra isA. penetantB. volventC. astrichous isorhizaD. holotrichous isorhiza |
| Answer» Correct Answer - B | |
| 156. |
Most appropriate term for the life cycle of Obelia isA. metagenesisB. neotenyC. metamorphosisD. alternation of generation |
| Answer» Correct Answer - A | |
| 157. |
Biradial symmetry and lack of cnidoblasts are the characteristics ofA. Hydra and starfishB. Ctenoplana and BeroeC. Aurelia and ParameciumD. Starfish and sea anemone |
| Answer» Correct Answer - B | |
| 158. |
Biradial symmetry and lack of cnidoblasts are the characteristics ofA. Starfish and sea anemoneB. Ctenoplana and BeroeC. Aurelia and ParameciumD. Hydra and starfish |
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Answer» Correct Answer - A Ctenoplana and Berve lack cnidoblasts and have biradial symmetry. These belong to phylum-Ctenophora. |
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| 159. |
The intermediate strcutureless layer found in coelenterates is known asA. mesogloeaB. muscli-endothelialC. mycepithelial layerD. endoderm |
| Answer» Correct Answer - A | |
| 160. |
Animals developing from three cellular layers are called as triploblastic animals. Identify the animals I. Annelida II. Cnidaria III. Mollusca IV. PoriferaA. I, II and IIIB. I and IIC. II and IVD. I and III |
| Answer» Correct Answer - D | |
| 161. |
Cnidoblasts present on the tentacles, containA. nematocytesB. spinesC. stingesD. None of these |
| Answer» Correct Answer - A | |
| 162. |
The zooid having mouth and tentacles for feeding isA. dactylozooidsB. gonozooldsC. blastostyleD. gastrozooids |
| Answer» Correct Answer - D | |
| 163. |
The number of tentacles in Hydra is calledA. `6-10`B. `10-16`C. 16-20D. 20-26 |
| Answer» Correct Answer - A | |
| 164. |
A paraphytetic group includesA. a single ancestral species and all of its descendentsB. si=ome, but not all members of a lineageC. members that can be traced to many ancestral groupsD. different species which are linked through evolution |
| Answer» Correct Answer - B | |
| 165. |
Among the examples given below, select the set which includes animals developing from a two layered embryo ( diploblastic )A. Sea anemone , sea urchin , feather starB. Hydra , starfish , basket starC. Jelly fish , sea anemone and HydraD. Sea urchin , cake urchin and jelly fish |
| Answer» Correct Answer - C | |
| 166. |
Which of the statements regarding coelenterates is/are wrong I. Cnidocytes are present on the tentacles and on the body II. Diploblastic with cellular level of organisation III. Polyp forms are free living IV. Exhibit metagenesis V. Polyps produce medusae sexually and medusae form polyps asexually.A. II and IVB. III and VC. I, II and IIID. Only III |
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Answer» Correct Answer - B The statement , i.e. II,III and V are incorrect, which are be corrected as diploblastic with tissue grade organisation, medusea forms are free-swimming . Polyps produce medusae through vegetative budding and medusae form poly after sexual reproduction. |
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| 167. |
Intermediate between diploblastic and triploblastic body structure is found inA. PorifersB. CoelenteratesC. CtenophoresD. Platyhelminthes |
| Answer» Correct Answer - C | |
| 168. |
Which of the following exhibits metagenesisA. HydraB. AdamsiaC. AureliaD. Obelia |
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Answer» Correct Answer - A Metagenesis is the phenonmenon, in which one generation of certain plants and animals reproduces asexually followed by sexually reproducing generations. It is found in coelenterates (Hydra) , a number of worms and certain lower chordates (Salpa). |
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| 169. |
Metagenesis referes toA. the presence of different morphic formsB. alternation of generation between asexual and sexual phases of an organismC. occurrence of a drastic changes in form during post-embryonic developmentD. the presence of a segmented body and parthenogenetic mode of reproduction |
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Answer» Correct Answer - B alternation of generation between asexual and sexual phases of an organism |
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| 170. |
The post-anal tail present in most chordates is characterised by the absence ofA. coelom and cisceraB. nervesC. blood vesselsD. muscles |
| Answer» Correct Answer - A | |
| 171. |
In Torpedo or electric ray, the electric organs are modified from ofA. never netsB. cartilage complexesC. bronchila musclesD. respiratory centres |
| Answer» Correct Answer - C | |
| 172. |
Filariasis is due toA. virusB. protozoanC. bacteriumD. helminthes |
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Answer» Correct Answer - D helminthes |
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| 173. |
Internal nares are absent inA. AgnathaB. Chondrichthyes and OsteichthyesC. ChondirichthyesD. None of the above |
| Answer» Correct Answer - C | |
| 174. |
Operclum with spiracle is absent inA. HippocampusB. SyngnathusC. ScoliodonD. Gastrosteus |
| Answer» Correct Answer - C | |
| 175. |
After drying, a bath sponge containsA. hold fastB. tentaclesC. spiculesD. spongin fibres |
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Answer» Correct Answer - D spongin fibres |
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| 176. |
True placenta is absent in all marsupials exceptA. DidelphisB. PeramelesC. MacropusD. Koala bear |
| Answer» Correct Answer - B | |
| 177. |
During unfavourable conditions, the sponges formA. cystsB. encystC. gemmulesD. spicules |
| Answer» Correct Answer - C | |
| 178. |
Which of the of following animal can successfully reproduce without utilizing the process of mitosis?A. AmoebaB. HydraC. SyconD. Tapeworm |
| Answer» Correct Answer - C | |
| 179. |
The study of worms which cause parasitic infestations in man is calledA. helminthologyB. lchthyologyC. malacologyD. herpetolgy |
| Answer» Correct Answer - A | |
| 180. |
Which one of the following characteristics is not correct for Nematods ?A. Elongated cyclindrical bodyB. Fixed number of cells in the bodyC. HermaphroditismD. Pseudocoelomate |
| Answer» Correct Answer - C | |
| 181. |
Eutey is a condition in whichA. the number of cells or number of nuclie remains constant for entire animalB. the number of cells or number of nuvlie remains constants for entire animal as well as for each organC. number of nuclei remains constant for entire animalD. number of cells remains contant for entire animal |
| Answer» Correct Answer - B | |
| 182. |
Identify the figure of the endoparsite given below and name the disease, which is caused by this parasite A. Ascaris :A -male , B-female ,AscariasisB. Ascaris : A-female , B-male ,AscariasisC. Wuchereria : A-male , B-female ,ElephantiasisD. Wuchereria : A female, B-female ,Elephantiasis |
| Answer» Correct Answer - A | |
| 183. |
Which of the following statements is/are true about reptiles?A. They have creeping or crawling mode of locomotionB. They are mostly terrestrial and body is covered by dry cornified skin, epidermal scales or scutesC. Heart is three or partially four-chamberedD. All of the above |
| Answer» Correct Answer - D | |
| 184. |
Which animal enject a stream of blood on beind irritated?A. Horned toad, PhrynosomaB. Glass snake, OphisaurusC. Indian monster, VaranusD. Garden lizard, Calotes |
| Answer» Correct Answer - A | |
| 185. |
Match the following Columns. A. `{:(A,B,C,D),(1,2,3,4):}`B. `{:(A,B,C,D),(4,3,2,1):}`C. `{:(A,B,C,D),(3,2,1,4):}`D. `{:(A,B,C,D),(1,2,4,3):}` |
| Answer» Correct Answer - A | |
| 186. |
Match the following Columns. A. `{:(A,B,C,D),(3,1,4,2):}`B. `{:(A,B,C,D),(2,3,1,4):}`C. `{:(A,B,C,D),(1,3,2,4):}`D. `{:(A,B,C,D),(3,2,4,1):}` |
| Answer» Correct Answer - A | |
| 187. |
Match the following Columns. A. `{:(A,B,C,D),(1,2,3,4):}`B. `{:(A,B,C,D),(4,3,2,1):}`C. `{:(A,B,C,D),(3,2,4,1):}`D. `{:(A,B,C,D),(2,1,4,3):}` |
| Answer» Correct Answer - C | |
| 188. |
Ampullae of Lorenzini of Scoliodon is aA. mechanoreceptorB. thermorecaptorC. locomotory organD. copulatory organ |
| Answer» Correct Answer - B | |
| 189. |
Members of which phylum exhibit adaptations to widely varied environmental conditions ?A. AnnelidaB. PlatyhelminthesC. AschelminthesD. Cnidaria |
| Answer» Correct Answer - A | |
| 190. |
In the external aperture , of body of Hirudinaria granulosa I.mouth is triradiate aperture , opens into preoral chamber of anterior sucker . II.posterior sucker is formed by the complete fusion of last seven body segments . III.anus is present in 31st segment , which is mid-dorsal in position . IV.female genital pores are mid-ventral in position between 3rd and 4th annuli of 11th segment .A. I , II and IIIB. I and IIC. II and IVD. III and IV |
| Answer» Correct Answer - B | |
| 191. |
In HirudinariaA. male and female genital pores are present between 2nd and 3rd annuali of 10th and 11th segmentsB. fertilisation is externalC. cocoon formation does not take placeD. development is indirect |
| Answer» Correct Answer - A | |
| 192. |
Hirudinaria bears a pair of nephridiopore in each segment of the body fromA. 4th to 18th segmentB. 5th to 20th segementC. 6th to 22nd segmentD. 9th to 31st segement |
| Answer» Correct Answer - C | |
| 193. |
The cercarial stage of liverfluke is produced byA. sexual reproductionB. asexual multiplicationC. binary fissionD. parthenogenesis |
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Answer» Correct Answer - B asexual multiplication |
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| 194. |
Which is free swimming stage in the life history of Fasciola?A. MiracidiumB. SporocystC. RediaeD. None of these |
| Answer» Correct Answer - A | |
| 195. |
Turbellarians are free livingA. nematodesB. cestodesC. flatwormD. trematodes |
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Answer» Correct Answer - C Turbellaria is a class of phylum-Platyhelminthes. Turbellarians are mostly free-living flatworms, majorly aquatic (marine) , having cilia, body unsegmented , mouth ventral, suckers absent with tango , chemo and photoreceptors, e.g. Planaria (Dugesia), Bipallium etc. |
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| 196. |
Balanoglossus is a saprozoic hemichordate which lives in shallow coastal waters inside U-shaped burrows. Given below are certain features of this tongue worm.,I. It has a cylindrical body which is ciliated for most of the part. II. Body is divisible into a mouth, collar and trunk. III. The trunk is differentiated into branchiogenitial hepatic and abdominal regions, IV. The possess calls called vanadocytes.V. They obtain food from swallowed mud.A. I, II and IVB. II, IV and VC. I, III and IVD. I, III and V |
| Answer» Correct Answer - D | |
| 197. |
Match the following Columns . A. `{:(A,B,C,D),(4,2,1,3):}`B. `{:(A,B,C,D),(2,3,4,1):}`C. `{:(A,B,C,D),(4,3,2,1):}`D. `{:(A,B,C,D),(3,2,4,1):}` |
| Answer» Correct Answer - A | |
| 198. |
Match the following Columns . A. `{:(A,B,C,D),(2,3,1,4):}`B. `{:(A,B,C,D),(3,4,1,2):}`C. `{:(A,B,C,D),(1,2,3,4):}`D. `{:(A,B,C,D),(4,3,2,1):}` |
| Answer» Correct Answer - B | |
| 199. |
Match the following Columns . A. `{:(A,B,C,D,E),(5,4,1,3,2):}`B. `{:(A,B,C,D,E),(1,2,4,5,3):}`C. `{:(A,B,C,D,E),(4,1,3,2,5):}`D. `{:(A,B,C,D,E),(3,5,2,4,1):}` |
| Answer» Correct Answer - A | |
| 200. |
Match the following Columns . A. `{:(A,B,C,D),(1,2,3,4):}`B. `{:(A,B,C,D),(2,4,3,1):}`C. `{:(A,B,C,D),(3,2,1,4):}`D. `{:(A,B,C,D),(4,3,2,1):}` |
| Answer» Correct Answer - D | |