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.
| 1. |
The development of frog isA. DirectB. IndirectC. ParthenogeneticD. None of these |
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Answer» Correct Answer - B In indirect development, the young ones do not resemble tha adults. The young ones usually pass through one or more intermediate stages before obtaining the shape of the adults. |
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| 2. |
The sinus venosus is located onA. Dorsal surface of the heart of frogB. Ventral surface of the heart fo frogC. Dorsal surface of the heart of rabbitD. Ventral surface on the heart of rabbit |
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Answer» Correct Answer - A Sinus venosus is a triangular chamber attached dorsally to heart formed by the union of three main vena cava. |
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| 3. |
In frog the urinar bladder isA. AbsentB. PairedC. BilobedD. None of these |
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Answer» Correct Answer - C Urinary bladder of frog is a transparent, highly distensible bilobed sac, attached to the ventral side of the cloaca. |
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| 4. |
Pylangium in frog is found inA. AtriumB. VentricleC. Sinus venosusD. Conus arteriosus |
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Answer» Correct Answer - D Truncus arteriosus of frog is divided into a long basal thick walled conus arteriosus or pylangium and a short distal thin walled bulbous aorta or synangium. |
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| 5. |
There is no gall bladder inA. RatB. HorseC. WhaleD. All of these |
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Answer» Correct Answer - D Gall bladder is absent in rat (also in whales, some artiodactyla and all perissodactyla). |
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| 6. |
In frog, respiration occurs byA. LungsB. TracheaC. Gills onlyD. Both (a) and (b) |
| Answer» Correct Answer - A | |
| 7. |
Read the statements with regard to frog. Which of the statement(s) is/are correct and incorrect 1. The medulla oblongata passes out through foramen of Monro and continues into spinal cord 2. Vasa efferentia are 10 -12 in number that arise form testes 3. Ovaries have no functional connection with kidneys 4. Frogs are uricotellicA. 1,2 and 3 are correct but 4 is incorrectB. 1 and 2 are correct while 3 and 4 are incorrectC. 2 and 3 are correct while 1 and 4 are incorrectD. 2,3 and 4 are correct while 1 is incorrect |
| Answer» Correct Answer - C | |
| 8. |
During hibernation, frog respires withA. Lung onlyB. Moist skin onlyC. Buccal cavity onlyD. External gills and lungs |
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Answer» Correct Answer - B In frog, cutaneous respiration occurs in water, during hibernation and even aestivation. |
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| 9. |
In frog, digestion of fats occurs mostly inA. RectumB. StomachC. DuodenumD. Small intestine |
| Answer» Correct Answer - D | |
| 10. |
The given figure is related to diagrammatic representation of internal organs of frog. Identify A to E A. `{:(A,B,C,D,E),("Gall bladder","Lung","Fat bodies","Kidney","Rectum"):}`B. `{:(A,B,C,D,E),("Gall bladder","Lung","Testis","Kidney","Rectum"):}`C. `{:(A,B,C,D,E),("Gall bladder","Lung","Fat bodies","Testis","Rectum"):}`D. `{:(A,B,C,D,E),("Gall bladder","Lung","Ovary","Testis","Rectum"):}` |
| Answer» Correct Answer - A | |
| 11. |
A fully grown tadpole larva of frog respires throughA. GillsB. SkinC. LungsD. Tail fin |
| Answer» Correct Answer - A | |
| 12. |
Nitrogenous excretory product of tadpole of frog isA. UreaB. GuanineC. Uric acidD. Ammonia |
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Answer» Correct Answer - D In the tadpole, the end product of nitrogen metabolism is ammonia which is easily disposed off by diffusion in water. After metamorphosis, the frog excrete most of their nitrogen in the form of urea. |
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| 13. |
The cloaca in frog is a common chamber for the urinary tract, reproductive tract andA. Alimentary canalB. Portal systemC. Hepaticportal vesselsD. Notochord |
| Answer» Correct Answer - A | |
| 14. |
Which type of circulation is found in ratA. Ope and doubleB. Open and singleC. Closed and singleD. Closed and double |
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Answer» Correct Answer - D Like other mammals rat possess closed and double circulation. |
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| 15. |
Gestation period of rat isA. 20-22 daysB. 28-32 daysC. 52-65 daysD. 60-65 days |
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Answer» Correct Answer - A The time interval between fertilization and birth (gestation period) is about 22 to 23 days. |
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| 16. |
The site of fertilization in rat isA. VaginaB. UterusC. VestibuleD. Fallopian tube |
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Answer» Correct Answer - D Fertilization is internal and takes place in the dilated uppermost portion of the fallopian tube. |
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| 17. |
Amphibian heart isA. One-chamberedB. Three-chamberedC. Two-chamberedD. Four-chambered |
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Answer» Correct Answer - B Amphibian heart is a three-chambered structure formed by two upper auricles and a single lower ventricle. |
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| 18. |
How many meninges are present in ratA. TwoB. ThreeC. FourD. Many |
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Answer» Correct Answer - B The brain is protected by three membrane known as meninges. |
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| 19. |
Hepatic portal system collect blood fromA. LiverB. LungsC. KidneyD. Alimentary canal |
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Answer» Correct Answer - D Hepatic portal system is well-developed in mammals. The food-laden blood from various region of the digestive tract is collected by four vein- (i) lienogastric from stomach and spleen (ii) Duodenal from duodenum (iii) Anterior mesentric from small intestine, caecum adn colon. |
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| 20. |
Which of these is an ear ossicle in frogA. IncusB. AuricleC. MalleusD. Columella auris |
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Answer» Correct Answer - D Embryologically columella auris of frog is homologous to steps of mammals. |
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| 21. |
Acrosome of the sperm of frog helps in fertilization byA. Activating the occyte to engulf the spermB. Inducing formation of cone of reception in oocyteC. Stimulating ooctyeto undergo second maturation divisionD. Secreting sperm lysin to dissolve covering membrane of oocyte |
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Answer» Correct Answer - D During capacitation sperms undergo acrosomal reaction and release various chemicals contained in the acrosome. These chemicals are collectively called sperm lysin, which dissolve covering membrane of oocyte. |
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| 22. |
When a sperm enters an egg of frogA. First polar body is formedB. First meiotic division occursC. Second meiotic division occursD. Fertilization process is completed |
| Answer» Correct Answer - C | |
| 23. |
Mucus helps frog in makingA. Dry skinB. Moist skinC. Rough skinD. Thick skin |
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Answer» Correct Answer - B The mucous glands secrete a slimy fluid, the nucus, which makes the skin moist and slippery in nature. |
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| 24. |
The three parts of the limb of a rat from proximal to distal end areA. Autopodium, zeugopodium and stylopodiumB. Styopodium, zeugopodium and autopodiumC. Stylopodium, autopodium and zeugopodiumD. Zeugopodium, autopodium and stylopodium |
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Answer» Correct Answer - B Each limb of rat is made up of proximal segment, the stylopodium, middle segment the zeugopodium and distal segment the autopodium. |
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| 25. |
Rats areA. ArborealB. FossorialC. ScansorialD. None of these |
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Answer» Correct Answer - B Rat is fossorial animal i.e., living in burrows. |
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| 26. |
The common brown rat isA. Rattus rattusB. Rattus meltadaC. Rattus norvegicusD. Bandictoa bengalensis |
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Answer» Correct Answer - C Rattus norvegicus is common brown rat. |
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| 27. |
Mesorchium in frog refers toA. Fold of peritoneum between a kidney and a testisB. Internal tissue of testesC. Capsules of testesD. None of these |
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Answer» Correct Answer - A Mesorchium is a thin mesentery that suspends testis from ventral anterior part of kidney. |
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| 28. |
The number of fingers in the hindlimb of frog isA. 4B. 5C. 6D. 7 |
| Answer» Correct Answer - B | |
| 29. |
If the mouth of frog is kept open for some time, it dies because it is unable toA. EatB. DrinkC. BreathD. None of these |
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Answer» Correct Answer - C Frog is a positive pressure breather. It fills its lung by forcing air into them, for this, mouth has to be kept closed. |
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| 30. |
RBCs of rat areA. Small, round, nonnucleated and biconcaveB. Small, round, nonnucleated and biconvexC. Small,oval, nonnucleated and biconcaveD. Small, round, nucleated and biconcave |
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Answer» Correct Answer - A RBCs of rats are small round, nonucleated and biconcave containing red coloured respiratory pigment namely haemoglobin. |
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| 31. |
See the following figure and identify A to C respectively. A. Neck, Tympanum, Hind limbB. Trunk, Tympanum, Hindi limbC. Neck, Brown eye spot, WebD. Trunk, Tympanum, Web |
| Answer» Correct Answer - D | |
| 32. |
The total possessesA. Bifid tongue, slippery skin and mucous glandsB. Salviary glands, mucous glands and parotid glandsC. Parotid glands, warty skin and semicircular snoutD. Slippery skin, yellow pigment and abundant mocous glands |
| Answer» Correct Answer - C | |
| 33. |
In frogA. Acetylocholine is the only neurotransmitterB. Noradrenaline is the only neurotransmitterC. Both acetylocholine and noradrenaline act as neutrotrasmittersD. Neither acetylcholine nor noradrenaline acts as neuronutransmitter |
| Answer» Correct Answer - C | |
| 34. |
Which statement is true about the venous blood vessels of frogA. Lingual and submandibular unite to form the internal jugularB. Musculo-cutaneous and brachial unite to form the subclavianC. The ventral abdominal vein drains into the posterior vena cavaD. The pelvic veins unite to form the renal portal vein |
| Answer» Correct Answer - B | |
| 35. |
When heart of frog is cut, it willA. Not beat at allB. Stop beating soon afterC. Continue to beat for a long time it kept dryD. Continue to beat for a long time it kept moist |
| Answer» Correct Answer - D | |
| 36. |
Heart of frog differs from that of man by presence of or Heart of rat differs from that of frog by the absence ofA. Two aortaeB. Mitral valueC. Sinus vanosusD. Four-chambers |
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Answer» Correct Answer - C Two additional chambers connected to be heart of frog are sinus venosus and truncus arteriosus. |
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| 37. |
How many nipples are present in a femal ratA. Two pairsB. One pairsC. Three pairsD. Six pairs |
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Answer» Correct Answer - D One pair of thoracic nipples, two pairs of axillary nipple, one pair of abdominal nipples and two pairs of inguinal nipples. |
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| 38. |
A diastema is found inA. RatB. ManC. BothD. None |
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Answer» Correct Answer - A Diastema is a natural toothless space in mammals, in rat found between incisor and molar teeth. |
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| 39. |
The total number of teeth in a ratA. 10B. 16C. 20D. 28 |
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Answer» Correct Answer - B The dental formula of rat is `(1003)/(1003) = 16` |
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| 40. |
Which type of placenta is found in a ratA. EpitheliochorialB. HaemochorialC. HaemoendothelialD. Endotheliochorial |
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Answer» Correct Answer - C In haemoendothelial placenta, all the three uterine tissue barries (foetal connective tissue and trophoblast) are absent with only one placental barrier e.g., rabbit, rat and guinea pig. |
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| 41. |
The lungs is frogs areA. Compact spongt massesB. Thin-walled elastic, hollow bagsC. Thick-walled nonelastic, hollow bagsD. Thick-walled nonelastic solid masses |
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Answer» Correct Answer - B The lungs of frog are two delicate, elastic, pinkish, ovoid, thin walled hollow sacs lying on either side of the oesophagus. |
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| 42. |
Frogs and toads belong to the orderA. AnuraB. ApodaC. CaudataD. Gymnophiona |
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Answer» Correct Answer - A Anura is characterized by the absence of tail, also known as salientia, the Leaping animals. |
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| 43. |
A common cloacal aperture is found inA. RanaB. NereisC. RabbitD. Pheretima |
| Answer» Correct Answer - A | |
| 44. |
The opening of rectum in frog is calledA. VestiblueB. CloacaC. CoccyxD. None of the above |
| Answer» Correct Answer - B | |
| 45. |
How many eggs are laid by a female frog at atimeA. 100 - 200B. 500 - 1000C. 2500 - 3000D. 5000 - 6000 |
| Answer» Correct Answer - C | |
| 46. |
Croaking of frog isA. Hunger callB. Danger callC. Muscial toneD. Sex call for female |
| Answer» Correct Answer - D | |
| 47. |
In which of these animals, skin serves as an accessory organ of respirationA. BirdB. FrogC. LizardD. Rabbit |
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Answer» Correct Answer - B In frog, the skin serves as an accessory organ of respiration because the skin of frog is thin and richly supplied with blood capillaries. It is kept moist by mucus and water. |
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| 48. |
Chromatophores in skin of frog found in stratumA. CorneumB. CompactumC. GerminativumD. Mostly spongiosum |
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Answer» Correct Answer - D Just beneath the stratum germinativum there are present many scattered pigment cells (chromatophores) in the stratum spongiosum. |
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| 49. |
Match the following column I with column II and choose the correct combination. `{:(Column I,Column II),((a)"Earthworm",(i)"Gizzard"),((b)"Cockroach",(ii)"Caecum"),((c)"Frog",(iii)"Clitellum"),((d)"Rat",(iv)"Cloaca"):}`A. `(a) -(i), (b) - (ii),(c)-(iv),(d)-(iii)`B. `(a) -(iii),(b),-(i),(c)-(iv),(d)-(ii)`C. `(a)-(iii),(b)-(i),(c)-(ii),(d)-(iv)`D. `(a) -(i),(b)-(iii),(c)-(iv),(d)-(ii)` |
| Answer» Correct Answer - B | |
| 50. |
When an electric shock is given to the leg of a pithed frog itA. Blinks its eyesB. Shows no responseC. Put out its tongueD. None of these |
| Answer» Correct Answer - D | |