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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.
| 251. |
Which of the following features is not present in the in the phylum arthropodaA. Metameric segmentationB. parapodiaC. Jointed appendagesD. Chitinous exoskeleton |
| Answer» Correct Answer - B | |
| 252. |
Respiratory organs of crustaceans areA. lungsB. books lungsC. tracheaeD. gills |
| Answer» Correct Answer - D | |
| 253. |
Parapodia are found inA. OligochaetaB. PolychaetaC. ArchiannelidaD. Hirudinea |
| Answer» Correct Answer - B | |
| 254. |
Aphrodite is commonly known asA. lungwormB. sea fanC. sea mouseD. palolo worm |
| Answer» Correct Answer - C | |
| 255. |
Which one of the following is known as waterflea ?A. DaphniaB. AedesC. LacciferD. Mysis |
| Answer» Correct Answer - A | |
| 256. |
Which type of mouthparts , mosquito larva possesses ?A. LappingB. SpongingC. Cutting and chewingD. Piercing and sucking |
| Answer» Correct Answer - C | |
| 257. |
The mouthparts of mosquito do not includeA. antennaeB. labiumC. mandibleD. labrum |
| Answer» Correct Answer - A | |
| 258. |
From which of the following , head and tentacles of Cephalopoda are derived ?A. FootB. Visceral massC. MantleD. All of these |
| Answer» Correct Answer - A | |
| 259. |
Clitellum is not present inA. earthwormB. EurythoeC. TubifexD. Lumbriculus |
| Answer» Correct Answer - B | |
| 260. |
How many eyes are present in clamworm ?A. One pairB. Two pairsC. Five pairsD. Four pairs |
| Answer» Correct Answer - B | |
| 261. |
Class-Archiannelida is characterised by theA. presence of setaeB. presence of parasodiaC. presence of both setae and parapodiaD. absence of both setae and parapodia |
| Answer» Correct Answer - D | |
| 262. |
The largest phylum of Animalia , that includes insects isA. ArthropodaB. AschelminthesC. PoriferaD. Annelida |
| Answer» Correct Answer - A | |
| 263. |
Which one of the following exhibits concentric tube within tube plan ?A. CnidariaB. AnnelidaC. PlatyhelminthesD. Nematoda |
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Answer» Correct Answer - B In annelids , alimentary canal is straight with anterior mouth and posterior anus . Due to spacious , fluid-filled body cavity between body wall and alimentary canal , the body appears like a tube within a tube in section . |
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| 264. |
Eggs of Culex are found in the form of aA. raftB. loose clustersC. Both (a) and (b)D. None of these |
| Answer» Correct Answer - A | |
| 265. |
The eggs of annelids are laid inA. oothecaB. cocoonsC. egg casesD. All the these |
| Answer» Correct Answer - D | |
| 266. |
Thorax of larval mosquito isA. unsegmentedB. two-segmentedC. three-segmentedD. multi-segmented |
| Answer» Correct Answer - C | |
| 267. |
Respiratory system in larval mosquito isA. propneusticB. metaneusticC. amphipneusticD. holopneustic |
| Answer» Correct Answer - B | |
| 268. |
Molluscs without shells are present inA. polyplacophoresB. CephalopodaC. monoplacophoresD. Scaphopoda |
| Answer» Correct Answer - B | |
| 269. |
The animal causing holes in boats and ship , thus referred as threat to ship industry isA. PinctadaB. NeopilinaC. DorisD. Teredo |
| Answer» Correct Answer - D | |
| 270. |
Foot is present in the form of tentacles inA. PelecypodaB. ScaphopodaC. CephalopodaD. Gastropoda |
| Answer» Correct Answer - C | |
| 271. |
Maximum number of economically important species is in the classA. InsectaB. CrustaceaC. ChilopodaD. Diplopoda |
| Answer» Correct Answer - A | |
| 272. |
Tube dwelling polychaetes are known asA. burrowingB. planktonicC. pelagicD. tubicolous |
| Answer» Correct Answer - D | |
| 273. |
Paddle worm amongst following isA. AreneicolaB. ChaetopterusC. SabellaD. Amphitrite |
| Answer» Correct Answer - B | |
| 274. |
Which one of the following structure is not present in phylum-Annelida ?A. NephridiaB. StomachC. Coelomic sinusesD. Cerebral ganglia |
| Answer» Correct Answer - B | |
| 275. |
The respiratory pigment present in Annelida is/areA. haemoglobinB. haemocyaninC. erythrocruorinD. Both (a) and (c) |
| Answer» Correct Answer - D | |
| 276. |
Which of the following is a crustacean ?A. PrawnB. SnailC. Sea anemoneD. Hydra |
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Answer» Correct Answer - A Prawn (Palaemon) belongs to class - Crustacea of phylum-Arthropoda . Hydra and sea anemone are coelenterates , snail belongs to class- Gastropoda of phylum - Mollusca. |
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| 277. |
The arthropods exoskeleton is composed ofA. several kinds of polysaccharidesB. layers of proteins and a polysaccharide called chitinC. several kind of proteinsD. single complex protein called arthropodin |
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Answer» Correct Answer - B Arthropods are the most successful group of animals . Their success is due to unique chitinous cuticle . Exoskeleton is light weight , tough and composed of structural polysaccharide chitin . It is strengthened with proteins and calcium carbonate occuring on the outside . it usually occurs in the forms of plate called sclerites . |
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| 278. |
Select the statement which is correct about Scaphopoda .A. They bear a tubular shell which is closed at one endB. They bear complex eyesC. Gonad single and kidneys are pairedD. The foot is bow-shaped or boat-shaped and used for burrowing |
| Answer» Correct Answer - C | |
| 279. |
Larvae of mosquito areA. saprophagousB. bottom feedersC. surface feedersD. Both (b) and (c) |
| Answer» Correct Answer - D | |
| 280. |
The cells present in the eye of an insect areA. cone cellsB. rods cellsC. retinular cellsD. Both (a) and (c) |
| Answer» Correct Answer - D | |
| 281. |
Radula is found inA. Pila sp.B. Chiton sp.C. Lamellidens sp.D. Pinctada sp. |
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Answer» Correct Answer - A Pila possesses radula . It is a rasping organ of molluscs situated in a sac on the underside of the buccal cavity . It is used for tearing plant material by rubbing it against the hardened surface of the mouth . |
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| 282. |
Which of the following matching pairs incorrect ?A. `{:("Mollusca" ,-, "Pseudocoel"):}`B. `{:("Cnidaria" ,-, "Nematocyst"):}`C. `{:("Annelida" ,-, "Chloragogen cells "):}`D. `{:("Echinodermata" ,-, "Water vascular system"):}` |
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Answer» Correct Answer - A Molluscs are coelomate animals . The body cavity is a true coelom often reduced to haemocoel surrounding the heart , nephridia and gonads . |
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| 283. |
Animals having multiple or numerous setae are included underA. PolychaetaB. OligochaetaC. HirudineaD. Onychophora |
| Answer» Correct Answer - A | |
| 284. |
Which one of the following larvae is shared by both annelids and molluscs ?A. GlochidiumB. TornariaC. TrochophoreD. Planula |
| Answer» Correct Answer - C | |
| 285. |
Shell is spiral inA. PelecypodaB. gastropodsC. CephalopodaD. Scaphopoda |
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Answer» Correct Answer - B In gastropoda , the shell is univalve and spirally coiled due to torsion . |
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| 286. |
In Polychaeta , the setae areA. numerousB. singly arranged in bundlesC. radially arranged in bundlesD. fused |
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Answer» Correct Answer - A Setae in Polychaeta are numerous and are borne upon lateral prominances of the body wall known as parapodia . |
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| 287. |
The balancing organ equal to our ear in aquatic arthopods as in prawn inA. otolithB. lateral line organC. otocystD. statocyst |
| Answer» Correct Answer - D | |
| 288. |
The proboscis sheath in mosquito isA. labrumB. maxillaC. labiumD. mandibles |
| Answer» Correct Answer - C | |
| 289. |
Juvenile hormone in insects is released fromA. protocerebrumB. corpora cardiacaC. corpora allataD. thoracic gland |
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Answer» Correct Answer - C Juvenile hormone in insects is secreted by corpora allata . This hormone , regulates morphogenesis and so , promote metamorphosis (development of larvae into adult through pupal stage). |
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| 290. |
In phylum echinodermata, the classes having padicellariae areA. Crinoidea and HolothuroideaB. Holothuroidea and EchinoideaC. Asteroidea and EchinoideaD. Ophiuroidea and Holothuroidea |
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Answer» Correct Answer - C Pedicillariae are small wrench or claw-shaped structures commonly found in echinoderms , particularly in class - Asteroidea , e.g., starfishes and Echinoidea , e.g. sea urchins . |
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| 291. |
Which one of the following are not hermaphrodite animalsA. PolychaetesB. FlatwormsC. LeechesD. Earthworm |
| Answer» Correct Answer - A | |
| 292. |
Pentaradial symmetry is found inA. EchinodermataB. AnnelidaC. PoriferaD. Arthropoda |
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Answer» Correct Answer - A Pentaradial symmetry is found in Echinodermata , whereas phylum- Annelida and Arthropoda have bilateral symmetry and Porifera has radial symmetry . |
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| 293. |
Silk is obtained fromA. Bombyx moriB. Apis melliferaC. Laccifer laccaD. None of these |
| Answer» Correct Answer - A | |
| 294. |
Chitinous plates making the exoskeleton in arthropods are calledA. tergitesB. sternnesC. pleuritesD. sclerites |
| Answer» Correct Answer - D | |
| 295. |
Mollusca has......type of vascular system .A. reducedB. openC. closedD. None of these |
| Answer» Correct Answer - B | |
| 296. |
Which one is an example of living fossil?A. CoralB. AscidiaC. OctopusD. King crab |
| Answer» Correct Answer - D | |
| 297. |
Which of the following are examples of arthropods ?A. Silverfish , starfish , prawnB. Clam worm , apple snail , honey beeC. Sea star , tongue worm , scorpionD. Cockroach , scorpion , prawn |
| Answer» Correct Answer - D | |
| 298. |
Assertion All Pila are ammonotelic . Reason Pila excrete uric acid .A. If both Assertion and Reason are true and Reason is the correct explanation of AssertionB. If both Assertion and Reason are true , but Reason is not the correct explanation of AssertionC. If Assertion is true , but Reason is falseD. If Assertion is false , but Reason is true |
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Answer» Correct Answer - B Pila excretes both ammonia (during aquatic phase) and uric acid (during terrestrial phase). So , it is both ammonotelic as well as uricotelic. |
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| 299. |
Choose the incorrect match .A. Pyrausta larvae - corn borerB. Nephotettix - rice leaf hopperC. Leptocorisa- pest of rice and miletD. Apis indica - sugarcane leaf hopper |
| Answer» Correct Answer - D | |
| 300. |
Which of the following is a living fossil ?A. LimulusB. LoligoC. EchinusD. Ophiura |
| Answer» Correct Answer - A | |