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. |
Which part of alimentary canal of cockroach has an outer layer of thick circular muscles and inner cuticle forming six highly chitinous plates called teeth?A. GizzardB. CropC. ProventriculusD. Both A and C |
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Answer» Correct Answer - D Gizzard or proventriculus is the part of alimentary canal of cockroach has an outer layer of thick circular muscles and inner cuticle forming six highly chitinous plate called teeth. |
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| 2. |
Fill in the blanks: The entire body is covered by a hard chitinous exoskeleton. In each segment, exoskeleton has hardened plates called .....a....(...b... dorsally and ....c...ventrally) that are joined to each other by a thin fexible....d....A. a-sternites, b-sclerites, c-tergites, d-arthrodial membraneB. a-sclerites, b-tergites, c-sternites, d-articular membraneC. a-tergites, b-sternites, c-sclerties, d-articular membraneD. a-sclerties, b-sternites, c-tergites, d-articular membrane |
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Answer» Correct Answer - B The entire body is covered by a hard chitinous exoskeleton. In each segment, exoskeleton has hardened plates called sclerites (tergites dorsally and sternites ventrally) that are joined to each other by a thin flexible articular or arthrodial membrane. |
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| 3. |
The mouth parts of cockroach areA. Piercing and sucking typeB. Biting and cutting typeC. Chewing and biting typeD. Siphoning and sponging type |
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Answer» Correct Answer - C The mouth parts of cockroach are chewing and biting. |
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| 4. |
Name the mouth parts of cockroach. |
| Answer» Labrum, mandibles, first maxillae, second maxillae, and hypopharynx. | |
| 5. |
(a) Name the hard plates (exoskeleton) that cover the entire body of cockroach .What is their composition and functions (b) List various mouth parts of cockroach . |
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Answer» (a) The hard plates are called sclerites. These are formed of chitin which is polysaccharide of acetylguycosamine molecules. These plates protect the body and provide space for the attachment of muscles. (b) The mouth parts of cockroach include labrum, mandibles, first maxillae, labium or second maxillaw and hypopharynx. |
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| 6. |
The digestive system of frog is made of the following parts , Arrange them in an order beginning from mouth . Mouth, oesphagus , buccal cavity , stomach , intestine , cloaca , rectum, cloacal aperture . |
| Answer» Mouth, buccal cavity, oesophaus, stomach , intestine, rectum, cloaca, cloacal aperture. | |
| 7. |
Assertion. Frog has osmoreceptors in its mouth. Reason. Osmoreceptors help frog in locating a mate.A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is true but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - C | |
| 8. |
Carefully study the incomplete flow chart of mouth parts of cockroach. Fill in the blanks (a),(b),(c) and (d). |
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Answer» (a) First maxillae (b) Hypopharynx (c) Exopodite (d) Stipes |
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| 9. |
Spermathecae occur in Earthworm inA. 6-9 segmentsB. 6-10 segmentsC. 6-11 segmentsD. 5-8 segments |
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Answer» Correct Answer - A Spermathecae occur in Earthworm in 6-9 segments. |
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| 10. |
The dorsal surface and ventral surface of the body of earthworm is marked byA. A dark median mid dorsal line (dorsal blood vessel and presence of genital pores, respectivelyB. The presence of genital openings and a dark mid ventral line (ventral blood vessel), respectivelyC. A dark mid dorsal line and a dark mid ventral line, respectivelyD. None of the above |
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Answer» Correct Answer - A The dorsal surface and ventral surface of the body of earthworm is marked by a dark median mid drosal line (dorsal blood vessel) and presence of genital pores, respectively. |
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| 11. |
Male genital aperture of earthworms is located in the segmentA. `7^(th), 8^(th)` and `9^(th)` sternaB. `7^(th)` sternum and `8^(th)` and `9^(th)` tergaC. `9^(th)` and `10^(th)` terga, and `9^(th)` sternumD. `9^(th)` and `10^(th)` sterna, and `9^(th)` tergum |
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Answer» Correct Answer - C In male cockroach, genital pouch is formed by `9^(th), 10^(th)` terga and `9^(th)` sternum. |
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| 12. |
Fill in the blanks: a. A pair of short and conical ...K.. caecae project from the intestine on the...L...segment. b. Typhlosole is the internal median fold of ...M..wall of intestine. c. Earthworm..N..specialised breathing devices. d. The nerve cord in the anterior region `(3^(rd)` and `4^(th)` segment) bifurcates, laterally encircling the...Q...and joins the cerebral ganglia.A. K-Gastric, `L-26^(th)` to `35^(th)`, M-Ventral, N-have, Q-Buccal cavityB. K-Hepatic, `L-26^(th)`, M-Dorsal, N-Lack, Q-OesophagusC. K-Intestinal, `L-26^(th)`, M-Dorsal, N-Lack, Q-PharynxD. K-Hepatic, `L-26^(th)` to `35^(th)`, M-Ventral, N-Have, Q-Pharynx |
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Answer» Correct Answer - C • A pair of short and conical intestinal caecae project from the intestine on the `26^(th)` segment. • Typhlosole is the internal median fold of dorsal wall of intestine. • Earthworm lack specialised breathing devices. • The nerve cord in the anterior region `(3^(rd)` and `4^(th)` segments) bifurcates, laterally encricling the pharynx and joins the cerebral ganglia. |
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| 13. |
In Earthworm, typhlosole occurs betweenA. 20-90 segmentsB. 26-95 segmentsC. 20-95 segmentsD. 21-100 segments |
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Answer» Correct Answer - B In Earthworm, typhlosole occurs between 26-95 segments. |
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| 14. |
(a) Why cross fertilization occurs in earthworm though it is bisexual ? (b) What is the main food of earthworm ? (c) Name the small pills, consisting of undigested matter and soil, that are passed out by earthworm. |
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Answer» (a) Earthworms reveal cross fertilization. The reason for this is that it shows protandry , i.e., spermatozoa get matured before the ova. (b) The main food of earthworm is decaying organic matter of the soil. (c) Worm castings |
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| 15. |
In earthworm fertilization occurs inA. OviductB. SpermathecaC. ClitellumD. Cocoon |
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Answer» Correct Answer - D In earthworm fertilization occurs in coccon. |
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| 16. |
In Earthworm, gizzard occurs in segmentA. 5B. 6C. 8 and 9D. 10 |
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Answer» Correct Answer - C In Earthworm, gizzard occurs in segments 8 and 9. |
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| 17. |
In earthworm, fertilisation and development occurs withinA. CocoonsB. SoilC. ClitellumD. Spermathecae |
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Answer» Correct Answer - A In earthworm, fertilisation and development occurs within coccons. |
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| 18. |
In earthworm, accessory gland are presentA. One pair each in the `17^(th)` and `19^(th)` segmentsB. Two pairs each in the `17^(th)` and `19^(th)` segmentsC. One pair each in the `10^(th)` and `11^(th)` segmentsD. Two pairs each in the `12^(th)` and `13^(th)` segments |
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Answer» Correct Answer - B In earthworm, accessory gland are present one pair each in the `17^(th)` and `19^(th)` segments. |
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| 19. |
Area where the myelin sheath is absent in the nerve fibre is calledA. Schwann cellsB. Schwann nodesC. Nissl granulesD. Node of Ranvier |
| Answer» Correct Answer - D | |
| 20. |
What is the economic importance of frog?A. They eat insect and protect the cropB. Frog maintain ecological balance as these serve as an important like of food chain and food webC. In some countries the muscular legs of the frog are used as food by the manD. All of the above |
| Answer» Correct Answer - D | |
| 21. |
V cranial nerve of frog isA. facialB. olfactoryC. trigeminalD. vagus |
| Answer» Correct Answer - C | |
| 22. |
Assertion. Frog neither hibernates nor aestivates. Reason. Frog can control its body termperature.A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is true but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - D | |
| 23. |
Fill in the blanks with suitable words : (i) Plasma contains about …..% water. (ii) RBCs have a life of about ……days. (iii) A normal healthy man has about …… RBCs per cubic millimetre of blood. (iv) RBC count decreases in ……. (v) A cubic mm. of blood has about........ WBCs. (vi) WBC count increases in case of ...... (vii) There are about ..... platelets per cubic mm. of blood. (viii) Blood clotting is initiated by ...... (ix) Plasma without fibrinogen is called ...... (x) ....... checks blood clotting in uninjured vessels. (xi) Blood does not clot in a person suffering from ..... (xii) Process of formation of blood corpuscles in the bone marrow is called ..... (xiii) RBCs have ...... that transports oxygen. (xiv) WBCs act as ............ and ....... of the body. (xv) Lymph is blood minus RBCs , platelets and ..... |
| Answer» (i) 90% , (ii) 115 , (iii) 5-5.5 million , (iv) Anaemia , (v) `6,000-10,000` , (vi) Infection , (vii) 250,000 , (viii) Platelets , (ix) Serum , (x) Heparin , (xi) Haemophilia , (xii) Haemopoiesis , (xiii) Haemoglobin , (xiv) Soldiers, scavengers and builders , (xv) Plasma proteins. | |
| 24. |
In cockroach, walking legs arises fromA. Prothorax and mesothorax and are two pairsB. Mesothorax and methorax and are two pairsC. All the throracic segments and are three pairsD. First three abdominal segments and are three pairs |
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Answer» Correct Answer - C In cockroach, walking legs arises from all the thoracic segments and are three pairs. |
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| 25. |
(a) List important difference between tendons and ligaments. (b) Which protein forms dense, hard matrix of bone ? (c ) What is meant by decalcified bone ? (d) Name two long bones present in human body. These bones have a cavity in the centre. What is it called ? |
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Answer» (b) Ossein. (c ) If a bone is kept in a dilute acid (5% nitric acid ) for sometime, its inorganic part is dissolved and organic part is left behind. Such a bone is said to be decacified bone. (d) Humerus and femur bones are long bones. These have marrow cavity in the centre. |
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| 26. |
Stink gland is found inA. 4th and 5th terga of cockroachB. 5th and 6th terga of cockroachC. 5th and 6th sterna of cockroachD. 4th and 5th sterna of cockroach |
| Answer» Correct Answer - B | |
| 27. |
Keratinized dead layer of skin is made ofA. stratified squamousB. simple cuboidalC. simple columnarD. stratified columnar |
| Answer» Correct Answer - A | |
| 28. |
A respiratory pigment is absent inA. EarthwormB. FrogC. RabbitD. Cockroach |
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Answer» Correct Answer - D A respiratory pigment is absent in cockroach. |
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| 29. |
(a) What is the average life span of R.B.Cs ? (b) Name the iron-containing pigment present in R.B.Cs. Also, name its protein and nonprotein parts. (c ) Name the largest leucocytes present in the blood. What function they perform ? |
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Answer» (a) Average life span of R.B.Cs is 120 days. (b) Haemoglobin. It is a conjugated protein. It consists of basic protein globin joined to a non-protein group heme. (c ) Monocytes. They are phagocytic and scavenger in action. |
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| 30. |
(a) Draw a diagram of nerve cell and label its parts. (b) In which direction the impulse travels in dendrites and axon ? |
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Answer» (b) In dendrites, the impulse travels towards cell body. In axons, the impulse travels from cell body towards terminal arborization. |
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| 31. |
The type of epithelial cells which line the innert surface of fallopian tubes, bronchioles and small bronchi are known asA. squamous epitheliumB. Columnar epitheliumC. ciliated epitheliumD. cubical epithelium |
| Answer» Correct Answer - C | |
| 32. |
The type of epithelial cells which line the inner surface of Fallopian tubes, bronchioles and small bronchi are known asA. squamous epitheliumB. columnar epitheliumC. ciliated epitheliumD. cubical epithelium |
| Answer» Correct Answer - C | |
| 33. |
Assertion : Gap junctions perform cementing function to keep the neighbouring cells together Reason : Tight junction facilitates the cells to communicate with each other by connecting the cytoplasm of adjoining cells, for rapid transfer of ions, small and big moleculesA. If both assertion and reason are true and the reason is the correct explanation of the assertionB. If both assertion and reason are true but reason is not the correct explanation of the assertionC. If the assertion is true but reason is falseD. If the assertion is false but the reason is true |
| Answer» Correct Answer - D | |
| 34. |
The number of abdominal segments in male and female cockroach isA. 10,10B. 9,10C. 8,10D. 9,9 |
| Answer» Correct Answer - A | |
| 35. |
The number of abdominal segements in male and female cockroach isA. 10,10B. 9,10C. 10,11D. 8,10 |
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Answer» Correct Answer - A Abdominal segments in male and female cockroach are 10,10 |
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| 36. |
In male cockroach, the external genitalia is represented byA. Three phallomers-right, left and dorsalB. Three gonapophyes-right, left and ventralC. Three phallomeres-right, left and lateralD. Chitinous symmetrical structures |
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Answer» Correct Answer - C In male cockroach, the external genitalia is represented by three phallomers-right, left and lateral. |
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| 37. |
Assertion. Spiracles of cockroach open out on one side and into tracheae on the other side. Reason. Spiracles allow inspiration and expiration.A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is true but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - C | |
| 38. |
Assertion. Cockroach undergoes periodic ecdysis during its growth. Reason. Cockroach has compound eyes.A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is true but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - B | |
| 39. |
Which of the following features is used to identify a male cockroach from a female cockroachA. Presence of a boat - shaped sternum on the `9^(th)` abdominal segmentB. Presence of caudal stylesC. Forewings with darker tegminaD. Presence of anal cerci |
| Answer» Correct Answer - B | |
| 40. |
Cockroach isA. Diurnal and herbivorousB. Nocturnal and carnivorousC. Diurnal and omnivorousD. Noctural and omnivorous |
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Answer» Correct Answer - D Cockroach is nocurnal and omnivorous. |
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| 41. |
Fill in the blanks: The cocoon holds worm embroyos. After about...a...weeks, each cocoon produces ...baby worms with an average of...c...A. `a-2,b-3, c-4`B. `a-2, b-4, c-3`C. `a-3, b-2` to `20, c-4`D. `a-2, b-2` to `20, c-4` |
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Answer» Correct Answer - C The coccon holds worm embryos. After about 3 weeks, each coccon produces 2 to 20 baby worms with an average of 4. |
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| 42. |
During aestivation and hibernation in frog, gaseous exchange takes place throughA. Skin (cutaneous respiration)B. Skin, lungs (pulmonary respiration) and buccal cavityC. Lungs and buccal cavityD. Skin and buccal cavity |
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Answer» Correct Answer - A During aestivation and hibernation, gaseous exchange takes place through skin (cutaneous respiration). |
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| 43. |
What is the function of tendons ? |
| Answer» To fix muscles to bones. | |
| 44. |
Where is ossein found? |
| Answer» Matrix of bone tissue. | |
| 45. |
Endothelium lining a blood vessel is formed ofA. Ciliated epitheliumB. Columnar epitheliumC. Cuboidal epitheliumD. Simple sqamous epithelium |
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Answer» Correct Answer - D Endothelium lining of a blood vessel is formed of simple squamous epithelium. |
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| 46. |
Assertion: Intercalated discs are important regions of cardiac muscle cells. Reason: Intercalated discs function as boosters for muscle contraction waves.A. If both assertion and reason are true and the reason is the correct explanation of the assertionB. If both assertion and reason are true but reason is not the correct explanation of the assertionC. If the assertion is true but reason is falseD. If the assertion is false but the reason is true |
| Answer» Correct Answer - A | |
| 47. |
Read the following statement and select the correct option Statement 1 : Cardiac muscle of the heart is striated and has intercalated discs between its fibres (cells) Statement 2 : It provides quick, powerful and rhythmic contractions to the heart.A. If both A and R are true and R is the correct explanation of A.B. If both A and R are true but R is not the correct explanation of A.C. If A is true but R is false.D. If both A and R are false. |
| Answer» Correct Answer - A | |
| 48. |
Read the following statements and find out the correct statement(s).A. Earthworm is hermaphroditeB. Earthworm is used as bait in game fishingC. Packets of sperms are called spermatophoresD. All of the above |
| Answer» Correct Answer - D | |
| 49. |
Read the followig statements and find out the incorrect statement.A. The next to last nymphal stage has wing pads but only adult cockroaches have wingsB. Many species of cockroaches are wild and are of no economic importanceC. They can transmit a variety of bacterial diseases by contaminating food materialD. None of the above |
| Answer» Correct Answer - D | |
| 50. |
Which type of tissue correctly matched with its location?A. `{:("Tissue","Location"),("Smooth muscle","Wall of intestine"):}`B. `{:("Tissue","Location"),("Areolar tissue","Tendons"):}`C. `{:("Tissue","Location"),("Transitional epithelium","Tip of nose"):}`D. `{:("Tissue","Location"),("Cuboidal epithelium","Lining of stomach"):}` |
| Answer» Correct Answer - A | |