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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The hepatic caeca of cockroachA. store excess foodB. produce digestive enzymesC. absorb fully digested nutrientsD. remove few excretory products from partly digested food |
| Answer» Correct Answer - B | |
| 2. |
The total number of podomeres in the leg of Cockroach isA. 5B. 6C. 7D. 8 |
| Answer» Correct Answer - A | |
| 3. |
In the following diagram of a leg of cockroach, parts have been indicated by alphabets. Choose the answer in which these alphabets have been correctly matched with the parts which they indicate. A. A - Coxa, B - Femur, C - Trochanter, D - Tarsus , E - TibiaB. A -Coxa, B - Tibia , C - Tarsus, D - Femus, E - TrochanterC. A - Coxa, B - Trochanter, C - Femur , D - Tibia, E - TarsusD. A - Coxa, B - Tarsus , C - Femur, D - Tibia , E - Trochanter |
| Answer» Correct Answer - C | |
| 4. |
The longest of the leg of cockroach isA. coxaB. femurC. tibiaD. trochanter |
| Answer» Correct Answer - C | |
| 5. |
Which part of Cockroach leg is attached to thorax ventrallyA. TrochanterB. ClawC. FemusD. Coxa |
| Answer» Correct Answer - D | |
| 6. |
In Periplaneta, which one helps in nourishing the spermsA. Ejaculatory ductB. Vas deferensC. Utriculi majoresD. Utriculi breviores |
| Answer» Correct Answer - D | |
| 7. |
Metamorphosis in the life history of Periplaneta isA. absentB. incompleteC. nymphD. pupa |
| Answer» Correct Answer - B | |
| 8. |
In cockroach, the hindwings areA. stermaB. tergaC. metathoracicD. halteres |
| Answer» Correct Answer - C | |
| 9. |
Efferent salivary ducts in Periplaneta open intoA. stomachB. base of pharynxC. base of oesophagusD. base of hypopharynx |
| Answer» Correct Answer - D | |
| 10. |
The largest part of the alimentary canal of cockroach isA. cropB. ileumC. mesenteronD. rectum |
| Answer» Correct Answer - A | |
| 11. |
Conside the following statements in accordance to the excretory system of the earthworm. I. Nepridia is segmentally arranged coiled tublue. II. Nephridia regulates the volume and composition of the body fiuids. III. There are three types of nephridia found in the earthworn. IV. Pharyngel nephridia is present as three paried trufts in the 4th, 5th and 6th segments. Which of the above statements is/ are correct ?A. Only IB. I and IVC. I,II and IIID. All of these |
| Answer» Correct Answer - D | |
| 12. |
Read the given statements in reference to the digestive system of cockroach. I. Alimentary canal is divided into three regions. II. Oesophagus opens into a sac - like structure called crop. III. The hindgut is broader than midgut. IV. The rectum opens through the anus. Which of the statements given above is/are incorrect ?A. I and IVB. II and IVC. III and IVD. None of these |
| Answer» Correct Answer - D | |
| 13. |
In Pheretima, there are red coloured round bodies in `4^(th),5^(th)` and `6^(th)` segments above the alimentary canal. They are believed to be involved inA. excretionB. digestionC. reproductionD. leucocyte production |
| Answer» Correct Answer - D | |
| 14. |
In which of the following animals, respiration occurs without any respiratory organ ?A. FrogB. FishC. CockroachD. Earthworm |
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Answer» Correct Answer - D Earthworm respires but has no respiratiory organs. The exhange of gases takes place through moisk skin,i.e. cutaneous respiration, Since the absorptive surface of earthworm is more than its volume,so earthworm does not require any respiratiory organ. |
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| 15. |
In earthworm the blood from heart is pumped into the sinuses by contraction and relaxation ofA. alary musclesB. heart musclesC. setaeD. All of these |
| Answer» Correct Answer - A | |
| 16. |
The smallest longitudinal blood vessel in Earthworm isA. dorsal vesselB. ventral vesselC. supraoesophageal vesselD. subneural vessel |
| Answer» Correct Answer - C | |
| 17. |
In Earthworm arrangment of blood vessels isA. different in last fifteen segmentsB. different in first thriteen segmentsC. same throughoutD. different in middle thirteen segments |
| Answer» Correct Answer - B | |
| 18. |
Flow of blood in dorsal blood vessel of Earthworm isA. backwardB. forwardC. side wardD. downward |
| Answer» Correct Answer - B | |
| 19. |
The lungs is frogs areA. compact spongy massesB. thin - walled elastic, hollow bagsC. thick - walled non - elastic, hollow bagsD. thick - walled non - elastic, solid mases |
| Answer» Correct Answer - B | |
| 20. |
A frog must swallow air to expand the lungs because frogA. has no diaphragmB. has no vagus nerveC. is relatively primitive vertebrateD. normally breath through its skin |
| Answer» Correct Answer - A | |
| 21. |
Dissection of frog is done from ventral side becauseA. ventral skin is softB. abdominal vein is present ventrallyC. vertebral column is present on dorsal sideD. All of the above |
| Answer» Correct Answer - C | |
| 22. |
Location of eyes in frog isA. behind the external nostrils on each side of headB. in front of external nostrils on each side of headC. behind the external nostril on one side of headD. in front of external nostril on one side of head |
| Answer» Correct Answer - A | |
| 23. |
Compound eyes of arthropods form apposition image inA. dim lightB. bright lightC. Both (a) and (b)D. None of these |
| Answer» Correct Answer - B | |
| 24. |
Which of the following statements are correct with reference to the frog ? I. Eyes are bulged and covered by nictitating membrane. II. Membranous tympanum recieves the sound signals. III. The frog never drinks water. IV. A pair of nostrils is present above the mouth.A. I and IIB. III and IVC. I and IVD. All of these |
| Answer» Correct Answer - D | |
| 25. |
A median aperture (unpaired ) on the body of earthworm ofA. nephridioporeB. spermathecal poreC. female genital poreD. male genital pore |
| Answer» Correct Answer - C | |
| 26. |
Match the following Columns. `{:(,"Column I",,,"Column II"),(A.,"Brain Box",,1., "Unpaired diencephalon"), (B.,"Midbrain",,2., "Cerebellum"), (C.,"Hindbrain",,3.,"Optic lobes"),(D.,"Forebrain",,4.,"Cranium"), (E., "Peripheral nervous system",,5., "Cranial nerves"):}`A. `{:(A,,B,, C,,D,,E),(1,,2,,3,,4,,5):}`B. `{:(A,,B,, C,,D,,E),(3,,2,,1,,4,,5):}`C. `{:(A,,B,, C,,D,,E),(4,,3,,2,,1,,5):}`D. `{:(A,,B,, C,,D,,E),(5,,4,,3,,2,,1):}` |
| Answer» Correct Answer - C | |
| 27. |
The sinus venosus is located onA. dorsal surface of the heart of frogB. ventral surface of the heart of frogC. dorsal surface of the heart of rabbitD. ventral surface of the heart of rabbit |
| Answer» Correct Answer - A | |
| 28. |
Assertion Chloragogen cells behave like vertebrate liver. Reason Chloragogen cells are present in earthworm.A. Both Assertion and Reason are ture and Reason is the correct explanation of Assertion.B. Both Assertion and Reason are true, but Reason is not correct explanation of AssertionC. Assertion is true, but Reason is falseD. Assertion is false, but Reason is true. |
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Answer» Correct Answer - B Chloragogen cells are present in the coelomic fluid of earthworm. These cells are small, star - shaped yellow cells concerned with storage of reserve food, deamination of proteins, formation of urea and also excretion (analogous to the liver ) of vertebrates. |
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| 29. |
Male cockroach hasA. and cerciB. long wingC. Both (a) and (b)D. anal style |
| Answer» Correct Answer - D | |
| 30. |
Alary muscles in cockroach are related toA. heartB. brainC. gutD. legs |
| Answer» Correct Answer - A | |
| 31. |
Mycetocyte cells of the fat body of cockroach help inA. urea formationB. food storageC. synthesis of glycogen from glucoseD. intermediary metabolism |
| Answer» Correct Answer - C | |
| 32. |
Fat bodies of cockroach are anlogous to vertebrateA. spleenB. adipose tissueC. kidneyD. liver |
| Answer» Correct Answer - D | |
| 33. |
Trophocyte, mycetocytes, oencytes and urate cells are found in the fat body of cockroach, which statement is true ?A. Trophocyte contain reserve foodB. Oenocytes secrete wax and urate cells contains uric acidC. Mycetocytes contain symbiotic bacteriaD. All of the above |
| Answer» Correct Answer - D | |
| 34. |
Which of the following statements is incorrect about circulatory system of frog ?A. It is of closed typeB. There is incomplete double circulation presentC. It comprises of heart, blood vessels and bloodD. None of the above |
| Answer» Correct Answer - D | |
| 35. |
The body cavity of cockroach isA. coelomB. haemocoelC. pseudocoelD. coelenteron |
| Answer» Correct Answer - B | |
| 36. |
The body cavity of earthworm represents a trueA. coelenteronB. haemocoelC. coelomD. blastocoel |
| Answer» Correct Answer - C | |
| 37. |
Aseertion Body cavity of earthworn has coelomic fluid within it. Reason Coelom has no such significance.A. Both Assertion and Reason are ture and Reason is the correct explanation of Assertion.B. Both Assertion and Reason are true, but Reason is not correct explanation of AssertionC. Assertion is true, but Reason is falseD. Assertion is false, but Reason is true. |
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Answer» Correct Answer - C Coelom of earthworm is filled with an alkaline, colourless or milky coelomic fluid contianing water, salts, some proteins and corpuscles. Coelomic fluid works as hydrostatic skeleton and aids in locomotion. |
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| 38. |
In the buccopharyngeal cavity of frogA. the lower jaw possesses teethB. the upper jaw lacks teethC. Both (a) and (b)D. oscillatory movement is seen |
| Answer» Correct Answer - D | |
| 39. |
Statement a. : Secretion of colleterial gland forms the egg case in Cockroach Statement b. : The development of Cockroach is hemimetabolousA. Both the statements, I and II are correct and II is the reason for IB. Both the statements, I and II are correct , but II is not the reason for IC. Statement I is correct, but statement II is incorrectD. Statement II is correct, but statement I is incorrect |
| Answer» Correct Answer - C | |
| 40. |
In which of the following blood vessle, blood flows from anterior to posterior direction ?A. Lateral oesophageal vesselB. Ventral vesselC. Supraoesophageal vesselD. All of these |
| Answer» Correct Answer - D | |
| 41. |
Periphlaneta americana has thermoreceptor sensillae onA. 1 st , 2 nd and 3 rd segments of tarsus of legsB. 3 rd, 4 th and 5 th segments of tarsus of legsC. 15 th segment of anal cerciD. pedicel of antennae |
| Answer» Correct Answer - D | |
| 42. |
Kidney of tadpole isA. pronephrosB. mesonephrosC. metanephrosD. absent |
| Answer» Correct Answer - A | |
| 43. |
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",, "Testes",,"Kidney",,"Rectum"):}`C. `{:(A,,B,,C,,D,,E) , ("Gall bladder",,"Lung",, "Fat bodies",,"Testes",,"Rectum"):}`D. `{:(A,,B,,C,,D,,E) , ("Gall bladder",,"Lung",, "Ovary",,"Testes",,"Rectum"):}` |
| Answer» Correct Answer - A | |
| 44. |
The gateways of sperm reception in earthworms areA. testes glandsB. spermiducal funnelsC. prostate glandsD. accessory glands |
| Answer» Correct Answer - B | |
| 45. |
Photoreceptors in earthworms occur inA. epidermis of ventral body wallB. epidermis of dorsal body wallC. skin of peristomiumD. None of the above |
| Answer» Correct Answer - B | |
| 46. |
Choose the wrongly matched pair ragarding the position of reproductive structures in earthwormA. Testes - 10 th - 11 th segmentsB. Spermathecae - 6th - 9 th segmentsC. Male genital pore - 9 th segmentD. Female genital pore - 14 th segment |
| Answer» Correct Answer - C | |
| 47. |
Earthworms have no special sense organs still they are sensitive toA. touch and soundB. light and soundC. touch taste and soundD. touch taste and light |
| Answer» Correct Answer - D | |
| 48. |
Which one of the following groups of `structures// organs` have similar functionA. Typhlosole in earthworm, intestinal villi in rat and contractile vacuole in AmoebaB. Nephridia in earthworm Malpighian tubules in cockroach and urinary tubules in ratC. Antennae of cockroach, tympanum of frog and clitellum of earthwormD. Incisors of rat, gizzard (proventriculus ) of cockroach and tube feed of starfish |
| Answer» Correct Answer - B | |
| 49. |
Consider the given statements about Pheriplaneta and select the correct option stating which ones are True (T) and False (F) ? I. Blood vascular systme is of open type. II. Malpighian tubules helps in the removal of excretory products from the haemolymph. III. They bear no eyes. IV. Female bears mushroom glands and male bears collateral glands.A. `{:(I,,II,,III,,IV),(T,,F,,T,,F):}`B. `{:(I,,II,,III,,IV),(T,,T,,F,,F):}`C. `{:(I,,II,,III,,IV),(F,,F,,T,,T):}`D. `{:(I,,II,,III,,IV),(F,,T,,T,,T):}` |
| Answer» Correct Answer - B | |
| 50. |
Region of earthworm, which is referred to as forest of nephridia isA. clitellar regionB. pharyngeal regionC. typhlosolar regionD. intestinal region |
| Answer» Correct Answer - A | |