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.
| 801. |
Archnida containsA. WaspsB. InsectsC. SpidersD. Beetles |
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Answer» Correct Answer - C (b) There are two species of Heloderma H. Suspectum and H. Horridum Both are found in America |
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| 802. |
If Hydra is broken into piecesA. Hydra will dieB. Every fragment will grow into complete HydraC. Some fragments will from reproductionD. Hydra will undergo sexual reproduction |
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Answer» Correct Answer - B (b) The hydra has a great power of regeneration the power of replacing lost tissues. If a living hydra is cut into two or more very small fragments every fragment develops into a new individual Basal disc is developed towards lower side and mouth hypostome and tentacles, developed at upper side in each part whatever is required according |
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| 803. |
Name the toxin found in the cnidoblasts. |
| Answer» Correct Answer - Hypnotoxin. | |
| 804. |
Name an animal which can reorganise itself into a whole when its broken parts are brought together. |
| Answer» Correct Answer - Sponge. | |
| 805. |
Amphiblastula is the larva ofA. HydraB. SyconC. PlanariaD. Leucosolenia |
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Answer» Correct Answer - B (b) Amphiblastula and stereogastrula are the larval stages of sycon. |
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| 806. |
Air bladder is present inA. ChondrichthyesB. Star fishesC. ActinopterygiiD. Flying fishes |
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Answer» Correct Answer - C One of the important human filaria is the African eye worm. Loa loa, transmitted by mangofly chiefly found in Africa. They commonly invade subcutaneous tissue and during their migration may pass across the eye ball hence the name eyeworm. Loa microfilariae is very injurious and fatal when they penetrate brain and spinal cord and perhaps carry neurotropic viruses. During their migration, they cause itense itching and swelling. They also cause swelling and pair in eyes, known as 'calabar swelling' |
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| 807. |
Hexapoda is another name ofA. CrustaceaB. ArachnidaC. InsectaD. Archiannelid |
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Answer» Correct Answer - C Insecta is a another name of hexapoda because they have 3 pair jointed legs on thoracic region. |
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| 808. |
Scientific name of rohu isA. Anabas testudineusB. Catla catlaC. Labeo rohitaD. Naja naja |
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Answer» Correct Answer - C In lophodont condtion, found in elephants, there is an intricate folding of enamel and dentine. Cresentic enamel cusps are connected by several transverse ridges called lophos. A single large lophodont molar, 30 cm by 10 cm, is present at one time in each half of each jaw. These are adapted to grind all sorts of plants, including grasses. |
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| 809. |
The process of conversion of a small cockroach into an adult cockroach is called asA. MoultingB. MetamorphosisC. EcdysisD. Transformation |
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Answer» Correct Answer - B Metamorphosis is a conversitional process in which small cockroach (nymph) convert into adult due to secretion of juvenile hormone. |
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| 810. |
What will you look for to identify the sex of the followingA. Male shark- Claspers borne on pelvic finsB. Female Ascaris- Sharply curved posterior endC. Male frog-A copulatory pad on the first digit of the hind limbD. Female frog- Anal cerci |
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Answer» Correct Answer - A Insects blood is colourless. The blood also does not play any role in transport of oxgyen. Insects have tracheal respiration. |
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| 811. |
What will you look for to identify the sex of the followingA. Male shark- Claspers borne on pelvic finsB. Female Ascaris - Sharply curved posterior endC. Male frog - A copulatory pad on the first digit of the hind limbD. Female cockrorach - Anal cerci |
| Answer» Correct Answer - A | |
| 812. |
Which one of the following species of silkworm are found in India?A. Bombyx moriB. Antherzea paphiaC. Antheraea royleiD. Attacus atlasensis |
| Answer» Correct Answer - B | |
| 813. |
The organisms attached to the substratum generally, possessA. radial symmetryB. one single opening of digestive canalC. asymmetrical bodyD. cilia on surface to create water current |
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Answer» Correct Answer - A The organisms attached to the substratum, generally possess radial symmetry. |
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| 814. |
In which group of molluscs torsion is a ery important event in the life history?A. GastroodsB. BivalvesC. CephalopodsD. Monoplacophora |
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Answer» Correct Answer - A Gastroods |
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| 815. |
Which of the following characteristics is not shared by birds and mammalsA. Ossified endoskeletonB. Breathing using lungsC. ViviparityD. Warm blooded nature. |
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Answer» Correct Answer - C Viviparity is not shared by birds and mammals. |
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| 816. |
Which one of the following characteristics is not shared by birds and mammals ?A. Breathing using lungsB. ViviparityC. Warm blooded natureD. Ossified endoskeleton |
| Answer» Correct Answer - B | |
| 817. |
What is radula ? |
| Answer» Rasping organ of mollusks. | |
| 818. |
Mention a mollusk with internal shell. |
| Answer» Sepia (cuttlefish). | |
| 819. |
Name a segmented mollusk. |
| Answer» Correct Answer - Neopilina | |
| 820. |
Cartilaginous fishes do not haveA. OperculumB. ScalesC. Gill stitsD. Pelvic fins |
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Answer» Correct Answer - A Coelenterates possess a very primitive type of nervous system. This system is composed of many nerve cells. In coelenterates, the separate mechanisms for digestion, respiration and excretion, repoduction ect evolved for the first time. Thus there is a constant need to maintain corrdination between these systems. Nerve cells are develope for this purpose, for the first time in coelenterates. Nerve in Hydra is the beginning in the evolution for nervous system. |
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| 821. |
The phylum arthropoda is named so because of presence ofA. Jointed appendagesB. segmentationC. chitinous exoskeletonD. Organ-system level of organisation |
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Answer» Correct Answer - A Jointed appendages |
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| 822. |
Respiration in mollusca takes place byA. Body surfaceB. Gills or ctenidiaC. Pulmonary sacD. All of these |
| Answer» Correct Answer - D | |
| 823. |
The only segmented mollusca isA. NeopilinaB. TeredoC. NautilusD. Chiton |
| Answer» Correct Answer - A | |
| 824. |
In pheretima nephridia occur inA. All segmen except 1-4 and 10-14B. 1-2, 4-6, 15 to last segmentsC. Meganephridia in pre- clitellar and microphridia in post- clitellar segmentsD. Micronephridia in all segments meganephridia from clitellar region to end |
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Answer» Correct Answer - D Nephridia are absent in the first three segments and the last segment Some workers believe that all the nephridia are of micronephridia type Other consider septal nephridia to be meganephridia |
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| 825. |
Statocysts are theA. lateral locomotory appendages in annelidsB. Suckers present in parasitic platyhelminthesC. Balance organs in arthopodsD. Stinging capsules in cnidarians |
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Answer» Correct Answer - C Balance organs in arthopods |
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| 826. |
Which is viviparousA. Bony fishB. Lung fishC. FrogD. Shark |
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Answer» Correct Answer - D Realm is a large landscape (generally subcontinental) having its unique biodiversity. South Asia (including India) occurs in oriental realm, king cobra is endemic here and kangaroo is found in Australian realm. Wallace line is the imaginary line separating oriental and Australian realm |
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| 827. |
Match column-I with column-II A. a-iii,b-ii,c-`i`,d-ivB. a-`i`,b-ii,c-iii,d-ivC. a-ii,b-iv,c-iii,d-`i`D. a-iv,b-iii,c-ii,d-`i` |
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Answer» Correct Answer - D a-iv,b-iii,c-ii,d-`i` |
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| 828. |
Ink glands for protection and locomotion by jet propulsion mechanism is a characteristic feature ofA. Pila (apple snail)B. Loliga (Squid)C. Dertalium (tusk shell)D. Chaetopleura (chiton) |
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Answer» Correct Answer - B Loliga (Squid) |
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| 829. |
A fold of dorsal body wall which covers the visceral mass in molluscs is called asA. OperculumB. MantleC. ShellD. None of these |
| Answer» Correct Answer - B | |
| 830. |
Trochophore larva is found inA. AnnelidaB. PlatyhelmintesC. CoelenterateD. Prawn |
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Answer» Correct Answer - A Trochophore larva is present during the development of archiannelida and polychaeta of the phylum annelida. |
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| 831. |
Trochophore larva occurs inA. Annelida and poriferaB. Coelenterata annelidaC. Mollusca and EchinodermataD. Annelida and Mollusca |
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Answer» Correct Answer - D Annelida and Mollusca |
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| 832. |
Body of molluscs isA. UnsegmentedB. Covered by a calcareous shellC. Divided into distinct head muscular foot and visceral humpD. All of these |
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Answer» Correct Answer - D All of these |
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| 833. |
(a) How do sponges reproduce asexually ? (b) Which system helps them in nutrition , respiration and excretion ? (c ) How do sponges maintain their shapes ? Explain. |
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Answer» (a) Sponges reproduce asexually by budding or by special cell masses, termed gemmules. (b) Canal system. (c ) Sponges maintain their shapes by having internal skeleton consisting of tiny calcareous or siliceous spicules, or fine spongin fibres or of both, located in the mesenchyme. |
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| 834. |
Which of the following statement is incorrect about circulatory system of molluscs?A. Blood contains a respiratory pigment haemocyaninB. Non-cephalopod molluscs have open circulatory systemC. Cephalopod molluscs have closed circulatory systemD. Respiratory pigment is haemoglobin dissolved I plasma |
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Answer» Correct Answer - D Respiratory pigment is haemoglobin dissolved I plasma |
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| 835. |
Which of the following structure helps in excretion and respiration in molluscs?A. NephridiaB. Feather-like gillsC. Flame cellsD. Tentacles |
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Answer» Correct Answer - B Feather-like gills |
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| 836. |
Pearls are obtained fromA. SepiaB. PinctadaC. DentaliumD. Octopus |
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Answer» Correct Answer - B Pinctada |
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| 837. |
Precious pearls are obtained from which of the following animals?A. PinctadaB. DentaliumC. SepiaD. Aplysia |
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Answer» Correct Answer - A Pinctada |
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| 838. |
All of the following are echinoderms, exceptA. Sea lilyB. Sea cucumberC. Sea hareD. Sea urchin |
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Answer» Correct Answer - C Sea hare |
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| 839. |
Radula is meant forA. SensationB. FeedingC. Egg layingD. Protection from predators |
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Answer» Correct Answer - B Feeding |
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| 840. |
Radula is found inA. Pila spB. Chiton spC. Lemellidens spD. Pinctada sp |
| Answer» Correct Answer - a | |
| 841. |
Which of the following bird is vivparousA. Pengiun Humming BirdB. AlbatrossC. None of theseD. |
| Answer» Correct Answer - D | |
| 842. |
Which is not a birdA. ColumbaB. TestudoC. PavoD. Struthio |
| Answer» Correct Answer - B | |
| 843. |
Stomata are not found inA. HemichordatesB. UrochordatesC. CephalochordatesD. All of these |
| Answer» Correct Answer - D | |
| 844. |
Discoblastula found inA. Echinoderms and amphioxusB. Reptiles, birds and fishesC. Annelids, molluscs and nemertensD. Insects |
| Answer» Correct Answer - B | |
| 845. |
Taxomically, which of the following set is mathced correctly ?A. Cuttlefish, jellyfish ,silverfishB. Bat, pigeon, kiteC. Lobsters, spider , shrimpsD. Oyster, otter, octopus |
| Answer» Correct Answer - C | |
| 846. |
Which one is correctA. Flatworms are eucoelomatesB. Fishes are radially symmetricialC. Birds are poikilothermicD. Earthworm is metamerically segmented |
| Answer» Correct Answer - D | |
| 847. |
Which of the following is mismatched?A. Torpedo : Electric organs, modified muscles supplied with nervesB. Trygon :Dorsal fin is modifield into a poison stingC. Exocoetus : Pectoral fin becomes large by which it can leap into airD. Hippocampus : Female bears a brood pouch |
| Answer» Correct Answer - D | |
| 848. |
Which one of the following pairs is mismatchedA. Bombyx mori-silkB. Pila globosa -pearlC. Apis indica-honeyD. Kenia lacca- lac |
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Answer» Correct Answer - B Pila globosa -pearl |
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| 849. |
The parasite which completes its life cycle in a single host isA. FasciolahepaticaB. Plasmodium vivaxC. Taenia soliumD. Ascaris lumbricoides |
| Answer» Correct Answer - D | |
| 850. |
Four chambered is characteristic of poikilothermA. PsittaculaB. HemidactylusC. PteropusD. Crocodilus |
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Answer» Correct Answer - D four chambered heart is characteritics of poikilotherm crocodilua. |
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