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.
| 1201. |
Arthropoda is characterised byA. Triploblastic, bilateral symmetery and abdominal appendagesB. Bilateral symmetry and pair of wingsC. Acoelomate and radial symmetryD. Exoskeleton, metameric segmentation and jointed appendages |
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Answer» Correct Answer - D Exoskeleton, metameric segmentation and jointed appendages |
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| 1202. |
The correct route through which Ascaris passes to complete its life cycle after infecting a fresh host isA. Intestine `rarr liver rarr heart rarr lung rarr Pharynx rarr Gullet rarr stomach rarr intestine`B. `outside rarr intestine rarr liver rarr heart rarr lung rarr pharynx rarr gullet rarr intestine`C. `intestine rarr liver rarr heart rarr lung rarr pharynx rarr Gullet rarr stomach rarr intestine rarr outside rarr intestine`D. `outside rarr intestine rarr liver rarr heart rarr lung rarr Pharynx rarr Gullet rarr stomach rarr intestine rarr outside` |
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Answer» Correct Answer - C `underset((2^(nd) " stage larva"))("Embryonated")` egg `rarr` Mouth `rarr` Intestine `rarr` Liver `rarr` `Heart `rarr underset((4^(th) "Stage larva"))("Lungs") rarr ` trachea `rarr`Pharynx `rarr` Instestine. |
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| 1203. |
Which of the following is incorrect?A. Oligocheata-PheretimaB. Hirudinea-HirudoC. Polycheata-LumbricusD. Nematoda-Ascaris |
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Answer» Correct Answer - C Polycheata-Lumbricus |
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| 1204. |
Which of the following is not an exlusive trait of arthropoda?A. Presence of wingsB. Jointed appendagesC. Compound eyesD. Chitinous exoskeleton |
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Answer» Correct Answer - A Presence of wings |
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| 1205. |
The largest phylum of animalia isA. InsectaB. MolluscaC. arthopodaD. Chordata |
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Answer» Correct Answer - C The largest phylum of animalia is arthropoda. |
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| 1206. |
Which of the following is the largest phylum of kingdom animalia?A. MolluscaB. AnnelidaC. ArthropodaD. Echinodermata |
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Answer» Correct Answer - C Arthropoda |
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| 1207. |
An animal having triploblastic acoelomic condition isA. AscarisB. PeriplanetaC. PlanariaD. Sycon. |
| Answer» Correct Answer - C | |
| 1208. |
Testes are internal and canines are premolar are absent in one of the following ?A. RabbitB. ElephantC. WhaleD. Goat |
| Answer» Correct Answer - B | |
| 1209. |
Scientific name of human pinworm isA. Trichinella spiralisB. Trichuris trichiuraC. Enterobius vermicularisD. Dracunculus medinesis |
| Answer» Correct Answer - C | |
| 1210. |
Find the odd exampleA. Sea lilyB. Sea fanC. Sea cucumberD. Sea urchin |
| Answer» Correct Answer - B | |
| 1211. |
The marin fish among the following varieties isA. StromateusB. LabeoC. CirrhinaD. Catla |
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Answer» Correct Answer - A In annelida four pairs of flask shaped sacs, each with a diverticulum for storgae of sperms and large ampulla for their nourishment is present. Spermathecase occur in 6-9 segments. They recive sperm during copulation. As cross fertilization occurs in earthworm, the sperms of one worm are transferred to spermathecase of the other. |
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| 1212. |
Assertion: In Periplaneta, only superposition or overlappmg images are formed. Reason: Retinal pigment sheath remains contracted throughout the life.A. IF both assertion & Reason are true and the rason is the correct explanation of the assertionB. If both assertion & reason are true but the reason is not the correct explanation of the assertion, then markC. If assertion is true statement but reason is false, then markD. if both assertion and reason are false statement |
| Answer» Correct Answer - A | |
| 1213. |
Assertion: Septal nephridia take part in osmoregulation. Reason: They are enteronephric.A. IF both assertion & Reason are true and the rason is the correct explanation of the assertionB. If both assertion & reason are true but the reason is not the correct explanation of the assertion, then markC. If assertion is true statement but reason is false, then markD. if both assertion and reason are false statement |
| Answer» Correct Answer - C | |
| 1214. |
Some reptiles show autotomy which meansA. Voluntary breaking tail to confuse enemyB. Signal for chargingC. Signal for courtshipD. State of starvation prior to death |
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Answer» Correct Answer - A (a) The tail of most lizard is easily broken off when threatened or seized by a predator This ability is known as autotomy Autotomy is voluntary breaking tail to confuse enemy |
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| 1215. |
Name the respiratory organs present in the class amphibia |
| Answer» Gills, lungs and through skin | |
| 1216. |
Which of the following group is formed of only the hermaphordite organisms?A. Earthworm, tapeworm, housefly, frogB. Earthworm, tapeworm, sea horse, houseflyC. Earthworm, leech, sponge, roundwornD. Earthworm, tapeworm, leech, sponge |
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Answer» Correct Answer - D Hermaphrodite organisms are those organisms in which both male and female sex organs are present in a single individual. Earthworm, tapeworm, leech and spnge are hermaphroditic organisms. |
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| 1217. |
What is an amniotic egg ? Give example. |
| Answer» An egg in which embryonic membranes are formed during development. Reptiles and birds. | |
| 1218. |
List the exoskeletal structures of birds. |
| Answer» Feathers, scales, claws, and beak. | |
| 1219. |
Which habitat is the richest in marine animal life? |
| Answer» Coral reefs harbour a greater variety of animals than any other environment in the sea. | |
| 1220. |
Fill I the blanks: Sponges reproduces a_____by fragmentation and b______by formation fo gametes.A. a-sexually,b-asexuallyB. a-asexually, b-sexuallyC. a-vegetatively, b-asexuallyD. a-asexually, b-vegetatively |
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Answer» Correct Answer - B Sponges reproduces asexually by fragmentation and sexually by formation of gametes. |
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| 1221. |
[A] : The signet ring trophozoite of malarial parasite ingests major part of cytoplasm of erythrocytes and form a food vacuole into which it secretes digestive enzymes . [R] : The enzymes cause breakdown of Haemoglobin into hematin and protein contents .A. If both A and R are true and R is the correct explanation of AB. If both A and R are true but R is not the correct explanation of AC. If A is true and R is falseD. If both A and R are false |
| Answer» Correct Answer - D | |
| 1222. |
What is the significance of cloaca? |
| Answer» Alimentary canal, urinary and reproductive tracts open into a common chamber called cloaca | |
| 1223. |
Tusks of elephant areA. IncisorsB. CaninesC. molarD. Premolar |
| Answer» Correct Answer - A | |
| 1224. |
Which class of vertebrates includes viviparous forms? |
| Answer» Correct Answer - Mammalia. | |
| 1225. |
What is a diaphragm? |
| Answer» Partition between thorax and abdomen. | |
| 1226. |
Which of the following animal has a diaphragm between the thorax and abdomen ?A. FrogB. LizardC. PigeonD. Whale |
| Answer» Correct Answer - D | |
| 1227. |
Region of Earthworm which is forest of nephridia isA. Clitellar regionB. Pharyngeal regionC. Typhlosolar regionD. Intestine region |
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Answer» Correct Answer - A Clitellar region contains 2000 nephridiopores per segment so called forest of nephridia |
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| 1228. |
which of the following is not a character of chordataA. dorsal tubular nerve cordB. pharyngeal gill slitesC. presence of notochordD. presence of spinal cord |
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Answer» Correct Answer - D Silver fish belong to insecta in which respriatory organ is trachae, scorpion belong to Arachnid which respiratory organ is book lung sea squirt (Herdmania) belong to urochordata, which respiratory organ is pharyngea gills. |
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| 1229. |
Aphrodite, commonly known as sea mouse is aA. AnnelidaB. MolluscaC. InsectD. Mammal |
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Answer» Correct Answer - A The Aphrodite is marine polychaete which is commonly called the Sea mouse it belongs to the phylum Annelida |
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| 1230. |
Leech belongs to the classA. PolychaetaB. OligochaetaC. HirudineaD. Archinnelida |
| Answer» Correct Answer - C | |
| 1231. |
Branched uterus containing fertilized capsules can be seen in tapeworm inA. Immature proglottidB. Mature proglottidC. Gravid proglottidD. Immediately below neck |
| Answer» Correct Answer - C | |
| 1232. |
The mature proglottids having fertilized eggs in the uterus of tapeworm are regularly dtached. This process is known asA. ApolysisB. ProliferationC. StrobilationD. Topolysis |
| Answer» Correct Answer - A | |
| 1233. |
Aphrodite ( sea mouse ) belongs to classA. HirudineaB. OligochaetaC. ArchiannelidaD. Polychaeta . |
| Answer» Correct Answer - D | |
| 1234. |
Assertion : Cutaneous glands are help in regulation of body temperature. Reason : Cutaneous glands are produced from stratum germinativum.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
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Answer» Correct Answer - B sweat glands produced from stratum germinativum, plays an imortant role in the regulation of body temperature. When the body temeprature rise too much, the sweat glands are stimulated to take up water from blood vessels and to pour out their secretion on the general surface of the skin. Evaporation of sweat from the body surface uses up latent heat of vaporization from the skin, thus the extra heat of the body is used up and the body cools down reducing the temperature. |
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| 1235. |
The highly degraded organic matter rich in nitrogen and potassium in particular, resulting from the activity of earthworms is calledA. Worm castingsB. VermicompostC. Compost beddingD. Humus |
| Answer» Correct Answer - B | |
| 1236. |
Look at the animals given below and tell which kind of body symmetry do they possess? |
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Answer» (a) Radial symmetry (b) Bilateral symmetry |
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| 1237. |
List any five aquatic animals on the basis of your previous knowledge |
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Answer» (i). Hydra. (ii) Octopus (iii) star fish (iv) sharkh (iv) Whale |
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| 1238. |
Absence of circulatory system in Hydra is compensated byA. pseudocoelomic fluidB. gastrovascular cavityC. presence of tentaclesD. none of these |
| Answer» Correct Answer - b | |
| 1239. |
Body of earthworm is divided into how many similar segments which are metameres or somites?A. 60 to 120B. 100to 120C. 80 to 120D. 120 or more |
| Answer» Correct Answer - b | |
| 1240. |
Conglobate gland occurs inA. female cockroachB. male cockroachC. anopheles mosquitoD. culex mosquito |
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Answer» Correct Answer - B (b) In cockraoch an elongated flat phalic gland or conglobate gland on the right side of ventral nerve cord and open out through a small pore close to male gonopore. |
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| 1241. |
Typhlop is aA. True snakeB. False snakeC. True wormD. Shark |
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Answer» Correct Answer - A (a) Typhlopidae includes burrowing snakes having a vestigeal pelvic girdle and having reduced eyes covered by scales found in almost all parts of the world except new Zealand. |
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| 1242. |
Retention of larval characters even after sexual maturity is calledA. OntogenesisB. ParthenogenesisC. NeotenyD. Phyllogenesis |
| Answer» Correct Answer - C | |
| 1243. |
In cockroach, larval and nymphal characters are maintained byA. ecdysoneB. salivary glandsC. parotid glandD. juvenile hormone |
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Answer» Correct Answer - D Juvenile hormone is produced by corpora allata in insects it favours the development of juvenile characteristics During larval life, this hormone predominates and each moult yields another larger juvenile and keeps the larva in immature condition or maintain juvenility |
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| 1244. |
Name the cells which help in maintaining a current of water through a poriferan body. |
| Answer» Choanocytes ( collard cells). | |
| 1245. |
Which animal phylum has the lowest structural organization ? |
| Answer» Correct Answer - Porifera. | |
| 1246. |
Tachyglossus is a connecting link betweenA. Reptila and birdsB. Amphibians and reptilesC. Birds and mammalsD. Reptiles and mammals |
| Answer» Correct Answer - D | |
| 1247. |
Give one example for each of the following `:` (a) A group of marine animals which release a colouring matter to escape predators. (b ) An animal which shoots out its tongue to capture insects (c ) An amphibian which carries its young on its back. (d) An animal which communicates by means of pheromones (e) A mammal that lays eggs. |
| Answer» (a) Sepia (b) Frog (c ) Pipa (d) Deer (e ) Duck -billed platypus. | |
| 1248. |
What is the role of feathers ? |
| Answer» Feathers are characterisitc feature of birds. These insulate their body and help in flying. | |
| 1249. |
Typhlosole found in pheretima occurs inA. OesophagusB. StomachC. GizzardD. Intestine |
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Answer» Correct Answer - D In between the `26^(th)` segment and the rectum intestine has a median dorsal fold projecting into the lumen This is know as typhlosole. |
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| 1250. |
Spermathecal pores of Pheretima are present inA. `5//6,6//7,7//8 and 8//9`B. `6//7, 7//8. 8//9 and 9//10`C. `1//2, 2//3,3//4 and 4//5`D. `14//15,15//16,16//17 and 17//18` |
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Answer» Correct Answer - A Four pair of spermatheca are present in earthworm which are situated a pairs in the each `6^(th),7^(th),8^(th) and 9^(th |
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