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.
| 1701. |
The jawless vertebrate is Or A jawless fish, which lays eggs in fresh water and whose ammocoetes larva after metamorphosis return to the occean isA. CrocodileB. LorisC. HylaD. Fox |
| Answer» Correct Answer - D | |
| 1702. |
Direct development is found inA. Osteichthyes, reptiles, aves ad mammalsB. Cyclostomes, amphibians, hemischordates and echinodermsC. Aschelminthes, arthropods, molluscs and platyhelminthes.D. Both A and C |
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Answer» Correct Answer - A Direct development is found in osteichthyes, reptiles, aves and mammals. |
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| 1703. |
Radial symmetry is often exhibited by animals havingA. one opening of alimentary canalB. Aquatic mode of livingC. Benthos// sedentary natureD. Ciliary mode of feeding |
| Answer» Correct Answer - C | |
| 1704. |
Which one of the following is not a poisonous snake?A. CobraB. VipetC. PythonD. Krait |
| Answer» Correct Answer - c | |
| 1705. |
Jawless vertebrates belong to the groupA. AgnathaB. GnathostomataC. LagomorphaD. Prototheria |
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Answer» Correct Answer - A Hawless vertebrates belong to the group agnatha. |
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| 1706. |
Name the organ of echinoderms which helps in respiration and locomotion ? |
| Answer» Dermal branchiae, tubefeet. | |
| 1707. |
Assertion: Water vascular system of echinoderms helps in locomotion, capture and tranport of food and respiration.. Reason: Echinoderms are spiny bodies animals in which development is indirect with free-swmming larva.A. IF both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false. |
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Answer» Correct Answer - B * Water vascular system of echinoderms help in locomotion, capture and transport of food and respiration. * Echinoderms are spiny-bodied animals in which development is indirect with free-swimming larva. |
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| 1708. |
Which of the following is a common characteristic between echinoderms and chonderichthyes?A. Internal fertilisatioinB. Mouth is located ventrallyC. Radial symmetryD. None of the above |
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Answer» Correct Answer - B Common characteristic between echinoderms and chondrichthyes is mouth is located ventrally. |
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| 1709. |
Which of the following animals belongs to Urochordata ?A. HerdmaniaB. BalanoglossusC. AmphioxusD. Petromyzon |
| Answer» Correct Answer - A | |
| 1710. |
The plane that divides tha body into right and left haves is calledA. TransverseB. FrontalC. SagittalD. Radial |
| Answer» Correct Answer - C | |
| 1711. |
Choose the animals which exhibits the following characteristics (a) Marine habitat. (b) Bilateral symmetry and cephalization . ( c) Hemocoel as principal body cavity . (d) Eyes similar to that of vertebrates .A. SilverfishB. DogfishC. JellyfishD. Cuttle fish |
| Answer» Correct Answer - D | |
| 1712. |
Scoliodon is called dogfish due to one of its follwing characteristicsA. MouthB. GaitC. CarnivorousD. Power of smell |
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Answer» Correct Answer - D In scoliodon, olfactory organs are characteriscally large in elasmobranchs correlated with a highly developed sense of smell for perception of chemical substance dissolved in water |
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| 1713. |
Mammals giving rise to immature young ones and nursing them in a pouch areA. MonotremesB. MarsupialsC. PrimatesD. Carnivores |
| Answer» Correct Answer - B | |
| 1714. |
Most fovorable land adaptation for reptile isA. Moist skinB. Scales on bodyC. Pulmonary respirationD. None of these |
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Answer» Correct Answer - B (b) The loss of water form body is prevented by dry cornified scales on the body of reptiles It is a favorable land adaptation |
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| 1715. |
Assertion : Water vascular system is the characteristic of echinoderms. Reason : Main function of water vascular system is locomotion.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 Water vascular system or ambulacral system is a unique system of echinoderms which helps mainly in locomotion. It is infact a modified part of coelom consisting of a system of canals containing sea water and amoeboid corpuscles. It helps in locomotion by providing a hydraulic pressure mechanism of tube feet may serve for respiratory exchange of gases. Tube feet also help in anchoring the body to substratum and in capturing and handling the food. |
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| 1716. |
Assertion : In reptiles, hemipenes is present Reason : Hemipenes is the combination of both ovary and penis.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 - C The hemipenes are the copulatory organs found in Uromastix and some other reptiles. These are two eversible hollow sacs lying under the skin behind the cloacal aperture at the base of the tail. Proximally, the hemipenes communicate with the urodaeum of the cloaca. During copulation, only one hemipenes, is inserted into the cloaca of the female. Erection of the hemipenes is due to the muscular action and filling with blood, then they are everted and become cylindrical and project beyond the cloaca. |
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| 1717. |
Which one is a reptileA. SalamandraB. TurtleC. NewtsD. Toad |
| Answer» Correct Answer - B | |
| 1718. |
Most fovorable land adaptation for reptile isA. LungsB. ScalesC. Moist skinD. Pentadacty limbs |
| Answer» Correct Answer - A | |
| 1719. |
The reptile without teeth isA. LizardsB. HelodermaC. CheloniaD. Alligators |
| Answer» Correct Answer - C | |
| 1720. |
The reptile which lacks penis belongs toA. OphidiaB. CrocodiliaC. GymnophionaD. Rhychocephalia |
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Answer» Correct Answer - D (d) In some reptiles cloacle aperture is transverse and male is without copulatory sacs (Penis) e.g. sphenodon They are includes in order Rhynchocephalia |
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| 1721. |
Which of the following characters is shared by all chordates at some stage of life ?A. NotochordB. Dorsal tubular nerve cordC. Pharyngeal gill slitsD. All of the above |
| Answer» Correct Answer - D | |
| 1722. |
Which of the following is a chordata feature, not shared by the non chordatesA. MetamerismB. Axiate organizationC. Bilateral symmetryD. Pharyngeal gill slits |
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Answer» Correct Answer - D Chordates show the presence of nerve cord, Notochord and pharyngeal gill slits |
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| 1723. |
The phylum which was earlier considered as a subphylum under chordata but now placed as a separate phylum, in non-chordates isA. OrochordataB. hemishordataC. CephalochordataD. Vertebrate |
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Answer» Correct Answer - B hemishordata |
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| 1724. |
List 3 subphyla of the phylum Chordata. |
| Answer» Urochordata, Cephalochordata, Vertebrata. | |
| 1725. |
Animals belonging to Phylum Chordata are fundamentally characterised by the presence of structures noted as A, B C and D. Identify them and select the correct option. A. A-Notochord, B-Nerve cord, C-Gill slits, D-Post-anal partB. A-Nerve cord, B-Notochord, C-Gill slits, D-Post-anal partC. A-Nerve cord, B-Notochord, C-Post-anal part, D-Gill slitsD. A-Nerve cord, B-Gill slits, C-Notochord, D-Post-anal part |
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Answer» Correct Answer - B The given figure shows the internal organisation of a hypothetical chordate. It posseses notochord `(B)` either during early embroyonic stage or throughout life. The notochord lies ventral to nerve cord `(A)`. It posseses a post anal tail `(D)` and paired pharyngeal gill slits `(C)`. |
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| 1726. |
Gambusia isA. Pest on fishesB. Pathogenic fishesC. Parasitic fishD. Fish predator of mosquito larvae |
| Answer» Correct Answer - D | |
| 1727. |
Gambusia is aA. Pest of fishesB. Parasitic fishC. Predator of mosquito larvaeD. Yellow fever mosquito |
| Answer» Correct Answer - c | |
| 1728. |
A waxy substance produced by honey bee to repair combs is calledA. propolisB. honey dewC. nectarD. sporopollenin |
| Answer» Correct Answer - a | |
| 1729. |
Which of the following is a correct match?A. Lamprey - ChondrichthyesB. Saw fish - CyclostomataC. Sea horse - OsteichthyesD. Hagfish - Osteichthyes |
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Answer» Correct Answer - C Lamprey and hagfish belong to Class Cyclostomata. Saw fish belongs to Class Chondrichthyes. |
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| 1730. |
Organisms attached to substratum generally possessesA. Asymmetrical bodyB. Radial symmetryC. One single opening of digestive canalD. Cilia on the surface to create water current |
| Answer» Correct Answer - B | |
| 1731. |
Benthic animals are those, whichA. Are submerged in areaB. Float on the sea surfaceC. Are deep dweller in seaD. Are floating (Free) organisms |
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Answer» Correct Answer - C Are deep dweller in sea |
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| 1732. |
The organisms attached to the substratum, generally, possessA. One single opening of the digestive canalB. Cilia on the surface of create water currentC. Radial symmetryD. Asymmetrical body |
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Answer» Correct Answer - C Radial symmetry |
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| 1733. |
In silkworm, silk is the product of,A. salivary gland of te larvaB. salivary gland of the adultC. Cuticle of the larvaD. Cuticle of the adult |
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Answer» Correct Answer - A salivary gland of te larva |
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| 1734. |
What is common between parrot, platypus and kangaroo ?A. Toothless jawsB. Functional post anal tailC. OviparityD. Homoiothermy |
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Answer» Correct Answer - D Homoiothermy is common among parrot, platypus and kangaroo. |
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| 1735. |
Which of the following is incorrect?A. Whale is the largest fishB. Insects have 3 paris of legsC. Platyhelminthes have flame cells for excretionD. All mammals have mammary glands but may not have hair. |
| Answer» Correct Answer - A | |
| 1736. |
Assertion : There is no chance of malaria to a man on the bite of male Anopheles mosquitor Reason : It carries a non-virulant strain of Plasmodium.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 - C Malaria can not be transmitted by the bite of male Anopheles mosquito it does not carry active stage of Plasmodium. |
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| 1737. |
In hot summer and cold winter, the number of malaria cases as well as Anopheles declines, reappearance of malaria in humid warm conditions is due toA. surviving malarial parasites in human carriersB. surviving sporozoites in surviving mosquitoesC. monkeysD. mosquito larvae in permanent waters |
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Answer» Correct Answer - D The reappearance of malaria in humid warm conditions is due to the mosquito larvae in permanent waters. |
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| 1738. |
Fire- belied toad isA. AmphiumaB. BombinatorC. NecturusD. Salamandra |
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Answer» Correct Answer - B Fire bellied toad is Bombinator and this is an Anuran . |
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| 1739. |
Typhlos isA. sea snakeB. glass snakeC. blind snakeD. grass snake |
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Answer» Correct Answer - C Typhlos is blind snake and it is non-poisonous. |
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| 1740. |
The common name of necturus isA. hell benderB. congo eelC. mud puppyD. blind worm |
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Answer» Correct Answer - C Common name of Necturus is mud puppy. This comes under order-Urodela. |
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| 1741. |
What are triploblastic animals ? |
| Answer» Which develop from three germ layers. | |
| 1742. |
Is man a coelomate? |
| Answer» Correct Answer - Yes. | |
| 1743. |
Are the birds homoeothermic or poikilothermic? |
| Answer» Homoeothermic. | |
| 1744. |
What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account? |
| Answer» Examples of convergent evolution , adaptive radiations, animals with vestigial organs etc. will provide hinderance in classification of animals if common fundamental features are not taken into account. For details, refer to chapter and chapter(unit). | |
| 1745. |
Which one of the following statements is incorrect about the occurrence of notochord ?A. It is present only in larval tail in ascidianB. It is replaced by a vertebral column in adult frog.C. It is absent throughout life in humans from the very beginning.D. It is present throughout life in Amphixus. |
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Answer» Correct Answer - C Humans belong to the Phylum Chordata. Animals belonging to the Phylum Chordata posses a notochord either during early embryonic life or thorughout the life. In some, it is replaced by vertebral column. In humans, notochord is present only in the embryonic stage, it is replaced by vertebral column in the adult form. |
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| 1746. |
Which one of the following belongs to phylum Arthropoda?A. Dog fishB. Devil fishC. jelly fishD. Silver fish |
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Answer» Correct Answer - D Silver fish belongs to phylum Arthropoda. |
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| 1747. |
Which of the following is not a characteristic features of cartilaginous fish?A. Internal fertilisationB. ViviparousC. Pelvic fins of males bear claspersD. Gills are covered by an operculum on each side |
| Answer» Correct Answer - D | |
| 1748. |
Two vertebrate classes lack cloaca. Name them. |
| Answer» Osetichthyes, Mammalia. | |
| 1749. |
Which teeth of an elephant are modified into tusks? |
| Answer» Two upper incisors. | |
| 1750. |
Which one of the following has an open circulatory system ?A. OctopusB. PheretimaC. PeriplanetaD. Nereis |
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Answer» Correct Answer - C Periplaneta |
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