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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.
451. |
Match the column-I with Column-II Choose the correct option : A. A-ii,B-iii,C-v,D-iv,E-iB. A-ii,B-v,C-iii,D-iv,E-iC. A-i,B-iii,C-v,D-iv,E-iiD. A-i,B-v,C-iii,D-iv,E-ii |
Answer» Correct Answer - C | |
452. |
Ascaris performsA. Aerobic repirationB. Anaerobic repirationC. Both (a) and (b)D. None of these |
Answer» Correct Answer - B Ascaris being an endoparasite repires anaerobically because the oxygen content in the hosts intestine is usually poor. |
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453. |
In which of the following reptiles, a four- chambered heart is present ?A. LizardsB. SnakeC. ScorpionD. Crocodile |
Answer» Correct Answer - D | |
454. |
Sea lilies are the members of classA. OphiuroideaB. AsteroideaC. CrinoideaD. Echinodea |
Answer» Correct Answer - C In male platypus a grooved erectile poison spine is present on the tarsus which is served by a poison spine is present on the tarsus which is served by a poison gland in the thigh. The poison is used to immobilize a female during coition |
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455. |
The animal with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage belong to the phylumA. AnnelidaB. MolluscaC. CnidariaD. Echinodermata |
Answer» Correct Answer - D Echinoderms are triploblastic animals with organ system level of organisation . Lerval forms possess bilateral symmetry while adults have radial symmetry. |
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456. |
Which of the following symmetry is found in adult sea-anemoneA. BiradialB. SphericalC. BilateralD. None of these |
Answer» Correct Answer - A c) When the body can be divided into two similar halves by one or two vertical planes only, the radial symmetry is called biradial vertical planes only, the radial symmetry is called biradial symmetry it is present in the sea anemone. |
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457. |
Which animals is non- chordate ?A. HerdmaniaB. BalanoglossusC. BranchiostomaD. Botryllus |
Answer» Correct Answer - D | |
458. |
A chordate character isA. gillsB. spiraclesC. post-anal tailD. Chitinous exoskeleton |
Answer» Correct Answer - C Presence of post-anal tail is one of the characters of chordate. |
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459. |
(a) Name any two useful insects and the products which are of use to man. (b) List three species of mosquitoes and the disease they spread. |
Answer» Useful Insects Product (a) Apis indica ( honey bee) - honey and max Laccifer lacca (lac insect) - lac (b) Female Anopheles sp. - Malaria Culex sp. -Filariasis ( elephantiasis ) Aedes sp. - dengue, yellow fever |
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460. |
Fish which can be used in biological control of mosquitoes/Larvicidal fish isA. eelB. carpC. cat fishD. Gambusia |
Answer» Correct Answer - D Gambusia (mosquito fish) eats the larvae of mosquito, so it is used in biological control of mosquito. |
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461. |
Where are the Kangaroos found?A. AsiaB. AustraliaC. AfricaD. South america |
Answer» Correct Answer - B Kangaroos are found in Australia. |
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462. |
In mosquitoes, the sex differentiation can be done on the basis ofA. Size of wingsB. AntennaeC. Antennae and maxillary palpsD. Ocelli |
Answer» Correct Answer - C In Mosquitoes, the sex differentiation can be done on the basis of antennae and maxillary palps. |
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463. |
Mesoglia is seen in betweenA. Ectoderm and endodermB. Ectoderm and mesodermC. Mesoderm and endodermD. Just below mesoderm |
Answer» Correct Answer - A | |
464. |
Interstitial fluid resemblesA. Sea waterB. Fresh waterC. Ground waterD. None of these |
Answer» Correct Answer - A | |
465. |
The path of water in a sponge isA. Dermal ostia `to` Gastral ostia ` to ` OsculumB. Dermal ostia ` to ` Gastral ostia `to ` spongocoel ` to` OsculumC. Osculum ` to ` Spongocoel ` to ` Choanocytes ` to ` OstiaD. Pinacocytes `to ` Choanocytes `to` Enteron ` to ` Osculum |
Answer» Correct Answer - A | |
466. |
Most of the sponges are marine and remain attached to rock ( sessile ). The frest water sponge isA. SyconB. SpongillaC. ClionaD. Euplectella |
Answer» Correct Answer - B | |
467. |
Gelatin, a very important raw material for preparation of photographic emulsion, in a bi-product ofA. chickenB. forestC. cattleD. fish |
Answer» Correct Answer - C | |
468. |
In sponges, there isA. Radial symmetryB. Present a true coelomC. A single exit and a number of mouthsD. A single mouth and a number of exist . |
Answer» Correct Answer - C | |
469. |
Cephalization is absent inA. MolluscsB. ArthopodsC. Both (1) and (2)D. Echinoderms |
Answer» Correct Answer - D | |
470. |
Placenta is a characteristic feature ofA. MammalsB. AmphibiansC. ReptilesD. Fish. |
Answer» Correct Answer - A | |
471. |
Why do the speedy fishes and marine mammals have similar streamlined (fusiform) bodies even though they have different origin and are unrelated? |
Answer» Both are adpated to aquatic life and the laws of hydrodynamics are universal . This is an example of convergent evolution. | |
472. |
In which of the following vertebratesk, notochord is persistent througout the life?A. CyclostomataB. ChondrichthyesC. OsteichthyesD. Agnatha |
Answer» Correct Answer - B In chondrichthyes notochord is persistent throughout the life. |
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473. |
Enterocoelom is found inA. ProtostomiaB. DeuterostomiaC. both A and BD. Both A and B |
Answer» Correct Answer - B Enterocoelom is found in deuterostomia. |
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474. |
The animals posseing the following type of germ layers (A and B) are called __________and_____respectively. A. diploblastic, triploblasticB. triploblastic,diploblasticC. diploblastic, diploblasticD. triploblastic, triploblastic |
Answer» Correct Answer - A | |
475. |
Name the 3 primary germ laywes formed in gastrula. |
Answer» Ectoderm, mesodermand endoderm. | |
476. |
Which of the following have macrolecithal eggs ?A. Aves, ReptiliaB. Aves, Reptilia, AmphibiaC. Aves, Reptilia, ChiropteraD. Aves, Eutheria |
Answer» Correct Answer - B | |
477. |
When a fresh water protozoan is placed in marine waterA. The contractile vacuoles becomes bigger in size.B. The number of contractile vacuoles increasesC. The contractile vacuoles disapperD. The contractile vacuoles remain unchanged. |
Answer» Correct Answer - C | |
478. |
Earthworm areA. Uricotelic under conditions of water scarcityB. Ammonotelic when plenty of water is availableC. Ureotelic when plenty of water is availableD. Unicotelic when plenty of water is available |
Answer» Correct Answer - B | |
479. |
What is the function of lateral -line sense organs ? |
Answer» Detrection of currents and waves in water. | |
480. |
The two organisms which breathe only through their moist skin areA. Fish and frogB. Frod and earthwormC. Leech and earthwormD. Fish and earthworm |
Answer» Correct Answer - C | |
481. |
Lateral line sense organs occur inA. Cartilaginous fishesB. Bony fishesC. Amphibian larvaeD. Reptiles |
Answer» Correct Answer - B | |
482. |
Peculiarity of fish heart is that it hasA. All venous bloodB. All arterial bloodC. Partly venous and partly arterial bloodD. No blood at all |
Answer» Correct Answer - A | |
483. |
Which of the following is a flagellated protozoanA. AmoebaB. EntamoebaC. PalsmodiumD. Trypanosoma |
Answer» Correct Answer - D | |
484. |
Eggs of birds areA. MicrolecithalB. CentrolecithalC. MegalectithalD. Alecithal |
Answer» Correct Answer - C | |
485. |
Which character is found only in mammales ?A. NeckB. DiaphragmC. Optic lobes of brainD. Tail |
Answer» Correct Answer - B | |
486. |
Heterocercal tail is found inA. Cartilaginous fishesB. Bony fishesC. WhaleD. Amphibians |
Answer» Correct Answer - A | |
487. |
Classification of Phylum Porifera is based onA. branching spiculesB. spiculesC. reproductionD. symmetry |
Answer» Correct Answer - B Classification of sponges is primarily based on skeleton which are spicules. These belongs to phylum-Porifera. |
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488. |
Mollusca includesA. Dorso-ventrally flattened animalsB. Pseudocoelomate animalsC. soft-bodies animalsD. Spiny-bodies animals |
Answer» Correct Answer - C soft-bodies animals |
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489. |
Find the incorrect match:A. Dentalium-tusk shellB. Loligo-cuttlefishC. Aplysia-sea-hareD. Pila-apple snail |
Answer» Correct Answer - B Loligo-cuttlefish |
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490. |
Mantle is a/anA. soft and spongy layer of skinB. rasping organC. calcareous shellD. another name of visceral hump |
Answer» Correct Answer - A soft and spongy layer of skin |
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491. |
The water vascular system in phylum echinodermata helps inA. Locomotion, capture and transport of foodB. ExcretionC. RespirationD. All of these |
Answer» Correct Answer - D All of these |
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492. |
The larvae of echinoderms areA. Bilaterally symmetrical and free-swimmingB. Radially symmetrical and free-swimmingC. Bilaterally symmetrical and sessileD. Radially symmetrical and sessile |
Answer» Correct Answer - A Bilaterally symmetrical and free-swimming |
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493. |
All of the following are the functions of water-vascular system, exceptA. LocomotionB. RespirationC. ReproductionD. Capture of food |
Answer» Correct Answer - C Reproduction |
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494. |
According to habitats, all echinoderms are____animals.A. Fresh waterB. MarineC. TerrestrialD. Fresh water and marine |
Answer» Correct Answer - B Marine |
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495. |
On the basis of coelom, the hemichordates areA. PseudocoelomatesB. coelomatesC. AcoelomatesD. both (1) and (2) |
Answer» Correct Answer - B coelomates |
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496. |
Larval stages are found inA. VertebratesB. InvertebratesC. Both A and BD. None of the above |
Answer» Correct Answer - C Larval stage is found in both vertebrates and invertebrates. |
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497. |
Which group of animals belong to the same phylum ?A. Earthworm , Pinworm, TapewormB. Prawn, Scorpion, LucustaC. Sponge, Sea anemone, StarfishD. Malraial parasite, Amoeba, Mosquito |
Answer» Correct Answer - B | |
498. |
Read the following statements: a. This phylum consists of a small group of worm like marine animals b. They are bilaterally symmetrical, triploblastic and coelomate animals c. The body is cylindrical d. Respiration takes place through gills. We are talking about the phylumA. Aschelminthes (Ascaris)B. Mollusca (snail)C. Echinodermata (starfish)D. Hemichordata(Saccoglussus) |
Answer» Correct Answer - D * this phylum consists of a small group of worm like marine animals. * They are bilaterally symmetrical, triploblastic and coelomate animals. * The body si cylinderical. * Respiration takes place through gills, we are talking about the phylum Hemichordata (saccoglossus). |
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499. |
Which is not correct for sponges?A. Internal fertilizationB. external fertilizationC. Gemmule formationD. Gametes are formed from epidermal cells |
Answer» Correct Answer - B | |
500. |
In the given table which animal is correctly matched with its taxon group and character . |
Answer» Correct Answer - C | |