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.
| 751. |
The young one of cockroach is calledA. CaterpillarB. NymphC. FingeringD. Maggot |
| Answer» Correct Answer - B | |
| 752. |
Match the following `{:(A.,"Amphibia",(i),"Air bladder",),(B.,"Mammals",(ii),"Cartilaginous notochord",),(C.,"Chondrichthyes",(iii),"Mammary glands",),(D.,"Osteichthyes",(iv),"Pneumatic bones",),(E.,"Cyclostomata",(v),"Dual habitat",),(F.,"Aves",(vi),"Sucking and circular mouth without jaws".,):}` |
| Answer» (a) (v) ,(b) (iii) , (c ) (ii) , (d) (i) , (e ) (vi) , (f ) (iv) | |
| 753. |
Without teats, mammary glands are found inA. PrototheriaB. MetatheriaC. EutheriaD. Theria |
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Answer» Correct Answer - A In prototherian mammary glands are modified sudorific glands and they lack the nipples or teats |
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| 754. |
True segmentation or metamerism meansA. body is externally and internally divided into segmentsB. Each segments of body has serial repetition of at least some organs.C. Both A and BD. There is no repetition of any organ in successive segments. |
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Answer» Correct Answer - C True segmentation or metamerism means the body is externally and internally divided into segments and each segment of body have serial repetition of at least some organs. |
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| 755. |
Name the phyla which show metamerism. |
| Answer» Annelida, Arthropoda and Chordata. | |
| 756. |
Metamerism is a characteristic ofA. AscarisB. PheretimaC. PeriplanetaD. Hydra |
| Answer» Correct Answer - B | |
| 757. |
What is copraphagy ? Cite one example. |
| Answer» Eating faecal matter, rabbit. | |
| 758. |
Why is the Ornithorhynchus considered an exceptional mammal ? |
| Answer» Ornithorhynchus, though a mammal, lays eggs, and hasa cloacal aperture. | |
| 759. |
Ornithorhynchus is an example ofA. dinosaurB. monotreme mammalC. marsupial mammalD. eutherian mammal |
| Answer» Correct Answer - b | |
| 760. |
Scirpophaga incertulus is an example ofA. monophagus pestB. diphagus pestC. oligophagus pestD. polyphagus pest |
| Answer» Correct Answer - a | |
| 761. |
Class Bivalvia is characterised byA. Perioral tentaclesB. Lack of headC. Coiled shellD. Absence of gills. |
| Answer» Correct Answer - B | |
| 762. |
Which of the following is not a true snake ?A. Tree snakeB. Glass snakeC. Blind snakeD. Sea snake |
| Answer» Correct Answer - B | |
| 763. |
Which one of the following molluscs was formerly used as currency ( money ) ?A. DentaliumB. ChitonC. OysterD. Loligo |
| Answer» Correct Answer - B | |
| 764. |
Assertion : Metamerism is the characteristic of annelida Reason : Metamerism is one type of body segmentationA. 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 The body of annelids is divided into segments called metameres, externally ring like grooves (annuli) and internally by vertical partitions called septa. The external segmentation corresponds to internal segmentation. This phenomenon is called metamere or metameric segmentation. Phylum annelida represents the first group of metazoan animal developing a true coelom with metameric segmentation. |
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| 765. |
In molluscs, bod is covered with extehrnal skeleton made up ofA. Spongin fibresB. ChitinC. Calcium carbonateD. Calcium silicate |
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Answer» Correct Answer - C In mollusc body is covered with external skeleton made up of calcium carbonate.. |
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| 766. |
Which type of segmentation is present in body of molluscs? |
| Answer» Segmentation is absent in their body. | |
| 767. |
What is the function of nerve cord in annelids? |
| Answer» Nerve cord is the part of central nervous system in annelids which provides neural supply to the body segments and the various structures present in these body segments. | |
| 768. |
What function is served by the jointed appendages ni body of arthropods? |
| Answer» The jointed appendages permit good mobilityl. For example, a straight walking leg without joints will not provide good mobility while the leg with the joints will provide many dimensional activities. Hence jointed appendages allow the arthropods to perform various activities like grasping the objects, walking, running, etc. | |
| 769. |
Which is absent in arthropodaA. Compound eyeB. Chitinous exoskeltonC. Closed blood vascular systemD. Malpighian tubules |
| Answer» Correct Answer - C | |
| 770. |
Swarming is found inA. HousefliesB. MosquitoesC. LocustsD. Pyrilla |
| Answer» Correct Answer - C | |
| 771. |
List the respiratory organs found in various vertebrate. |
| Answer» Gills ( external and internal ) , lungs, skin, buccopharyngeal lining, swim bladder ( some fishes ) , cloacal sacs ( some turtles). | |
| 772. |
Spirackes of cockeroach which are larger and always kept open areA. First and second pairsB. First and third pairsC. First and tenth pairsD. Second and thrid pairs |
| Answer» Correct Answer - B | |
| 773. |
List the various types of respiratory organs of the echinoderms. |
| Answer» Dermal branchiae (starfish) , genital bursae (brittle star), peristomial gills (sea urchin), cloacal trees ( sea cucumer ), and tube feet ( in all) . | |
| 774. |
Which is wrong for an insectA. Cephalization and unjoined appendagesB. Chitinous exoskelton and wingsC. Cephalisation and complete methamorphosisD. Well developed sensory organs and haemocoel |
| Answer» Correct Answer - A | |
| 775. |
How is scabies caused and spread ? |
| Answer» Scabies is caused by the itche mite, Sarcoptes scabei, and it spreads by direct contact and use of infected clothes. | |
| 776. |
What is the fate of notochord in higher chordates? |
| Answer» Notochord is replaced by vertebral column partly or fully in higher chordates. | |
| 777. |
Which one of the following features is common in silverfiish, scorpion, dragonfly and prawnA. Three pairs of legs and segmented bodyB. Chitionous cuticle and two pairs of antennaeC. Jointed appendages and chitinous exoskeletonD. Cephalothorax nad tracheae |
| Answer» Correct Answer - C | |
| 778. |
Match the following list of animals with their level of organisation. `{:("Division of Labour","Animal"),(A."Organ level",i."Pheretima"),(B."Cellular aggregate level",ii."Fasciola"),(C."Tissue level",iii."Spongilla"),(D."Organ system level",iv."Obelia"):}` Choose the correct match showing division of labour with animal example.A. i=B, ii-C, iii-D, iv-AB. i-B, ii-D, iii-C, iv-AC. i-D, ii-A, iii-B, iv-CD. i-A, ii-D, iii-C, iv-B |
| Answer» Correct Answer - C | |
| 779. |
Match the following list of animals with their level of organisation. `{:("Division of Labour","Animal"),(A."Organ level",i."Pheretima"),(B."Cellular aggregate level",ii."Fasciola"),(C."Tissue level",iii."Spongilla"),(D."Organ system level",iv."Obelia"):}` Choose the correct match showing division of labour with animal example.A. i-B,ii-C, iii-D and iv-AB. i-B,ii-D, iii-C and iv-AC. i-D,ii-A, iii-B and iv-CD. i-A,ii-D, iii-C and iv-B |
| Answer» Correct Answer - c | |
| 780. |
Which of the following is incorret statement about frog?A. Body is divisible into head and trunkB. The skin is moist without scalesC. A tympanum represents the earD. Fore limbs have four digits with webs and hind limbs have five digits without webs |
| Answer» Correct Answer - D | |
| 781. |
Fill in the blanks `:` (i) Four characters of Chordates are the presence of `"…......."` dorsal hollow nervous system, `"…................."` and muscular tail. (ii) Urochordates are marine, sessile, `"….................."` feeding invertebrate chordates. Common example is `".................."` (iii) Agnatha are the most primitive Craniates. They are commonly called `"................"` vertebrates. (iv) Electric ray belongs to class `"..................."` while sea horse belongs to class`".................."` (v) A lizard - like reptile `".............."` of New Zealand is a living fossil. (vi) Snakes and lizards belong to class `"..............."` while frogs and toads are included in class`"................."` (viii) `".................."` are also defined as feathered dipeds. These have a lone `"................."` gland on the tail. |
| Answer» (i) notochord, pharyngeal slits (ii) filter, Herdmania ( the sea squirt ) (iii) Jawless (iv) Chondrichthyes, Osteichthyres (v) Spehnodon ( the tuatara) (vi) Reptilia, Amphibia (vii) Birds , uropygial ( preen or oil ) . | |
| 782. |
Which of the following shows the sexual dimorphismA. Hydra and AscarisB. Hydra and OryctolaugusC. Ascaris and PheretimaD. Ascaris and Orytolagus |
| Answer» Correct Answer - D | |
| 783. |
What is meant by sexual dimorphism? |
| Answer» Presence of external visible differences between male and female sexes. | |
| 784. |
Ambystoma showsA. PaedogenesisB. NeotenyC. Both (1) & (2)D. None of these |
| Answer» Correct Answer - C | |
| 785. |
Characteristics of class Crustacea areA. Cephalothorax, biramous appendages, and gillsB. Head and thorax, book lungs, and chitinous exoskeletonC. Cephalothorax, book lungs and chitinous exoskeletonD. Head and thorax, biramous appendages, and book lungs |
| Answer» Correct Answer - A | |
| 786. |
Whale is a mammal becauseA. Its heart has four chambersB. It is aquatic with stream lined bodyC. It lays egg and produces milkD. Diaphragm is found between thorax and abdomen . |
| Answer» Correct Answer - D | |
| 787. |
Vertebral column is derived fromA. NotochordB. Dorsal nerve cordC. Ventral nerve cordD. Outgrowth of cranium |
| Answer» Correct Answer - A | |
| 788. |
Vertebral column is derived fromA. Dorsal nerve cordB. Ventral nerve cordC. Outgrowth of craniumD. Notochord |
| Answer» Correct Answer - D | |
| 789. |
Pinna is absent inA. SireniaB. PrimatesC. RodentiaD. All of these |
| Answer» Correct Answer - A | |
| 790. |
Locomotion in kangaroo isA. SaltatorialB. VolantC. CursorialD. Creeping |
| Answer» Correct Answer - A | |
| 791. |
Pancreas is absent inA. CyclostomataB. ChondrichthyesC. OsteichthyesD. Gnathostomata |
| Answer» Correct Answer - A | |
| 792. |
The wishbone of the birds is derived fromA. SkullB. Pectoral girdleC. Pelvic girdleD. Hindlimb |
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Answer» Correct Answer - B The clavicle and interclavicles are fused to form a v-shaped bone, called furcula or wishbone or merry thought bone which help in flying |
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| 793. |
Consider the following four statements (A-D) about certain desert animals such as kangaroo ratA. They have dark colour and high rate of reproduction and excrete solid urineB. They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairsC. They feed on dry seeds and do not require drinking waterD. They excrete very concentrated urine and do not use water to regulate body temperature |
| Answer» Correct Answer - D | |
| 794. |
Pancreas is absent in which group of vertebratesA. ReptilesB. CyclostomatesC. BirdsD. Mammals |
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Answer» Correct Answer - B Pancreas is absent in cyclostomates, a class of Agnatha The pancreas is derived from the endoderm of embryo it lies inferior to the stomach in a bend of the duodenum it is both an exocrine and endocrine gland |
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| 795. |
What is common between parrot, platypus and kangaroo ?A. OvoparityB. HomoiothermyC. Toothless jawsD. Functional post- anal tail |
| Answer» Correct Answer - B | |
| 796. |
Birds have bipedal locomotion as itA. Reduces body weightB. Increase rate of locomotionC. Provides more support to the bodyD. Spares forelimbs for flight |
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Answer» Correct Answer - D Birds have bipedal locomotion because fore limbs are modified into wings. |
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| 797. |
The largest egg belongs toA. ElephantB. WhaleC. DinosaurD. Ostrich |
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Answer» Correct Answer - D Egg of ostrich weights nearly 1.5 kg and requires about 50 minutes to boil it it is the largest egg among the animals |
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| 798. |
What is common between parrot, platypus and kangaroo?A. toothless jawsB. functional post -anal tailC. ovoparityD. homoiothermy |
| Answer» Correct Answer - D | |
| 799. |
What is common between parrot, platypus and kangaroo ?A. Toothless jawsB. Functional postanal tailC. OviparityD. Homoiothermy |
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Answer» Correct Answer - D Parrot belongs to the Class Aves whereas platypus and kangaroo belong to the class Mammalia. Both aves and mammals are homoiotherms, i.e., the temperature of their body remains constant irrespective of the temperature of the environment. |
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| 800. |
What is common between parrot, platypus and kangaroo ?A. HomoeothermyB. Toothless jawsC. Functional post anal tailD. Ovoparity |
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Answer» Correct Answer - A All these three animals are Homeiothermic although platypus is incomplete homeiothermic |
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