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. |
Morphallaxis isA. Reconstruction of the whole bodyB. Growth of lost limbC. Healing of injuryD. Regeneration with the help of blastema. |
| Answer» Correct Answer - A | |
| 2. |
Ageing pigment isA. metatoninB. lipofuschinC. luteinD. zeaxanthine |
| Answer» Correct Answer - B | |
| 3. |
Morphallaxis is reported inA. porifersB. coelenterates and flatwormsC. nemarteans and some ascidiansD. All of the above |
| Answer» Correct Answer - D | |
| 4. |
Assertion A regenerated tail of wall lizard shows heteromorphosis. Reason Newly formed tail is different from original tail in being without vertebrae. |
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Answer» Correct Answer - A Wall lizard can regenerate its lost tail when severed in autotomy, but the regenerated tail differs from the original one in shape. It is mainly due to lack of vertebrae and the type of scales coverting it. This is known as hetermorphosis. |
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| 5. |
Human body regularly loses cells in the region ofA. Skin surfaceB. Lining layer of gutC. Red blood cellsD. All the above |
| Answer» Correct Answer - D | |
| 6. |
Regeneration was first discovered inA. PlanariaB. HydraC. SpongesD. Salamander |
| Answer» Correct Answer - B | |
| 7. |
Healing of cuts and wounds isA. RepairB. RegenerationC. DedifferentiationD. Growth |
| Answer» Correct Answer - A | |
| 8. |
Regeneration was discovered byA. TrembleyB. MorganC. HuxleyD. Lamarck |
| Answer» Correct Answer - A | |
| 9. |
Repetitive regeneration is found inA. TadpoleB. MolluscsC. HydraD. Human beings |
| Answer» Correct Answer - C | |
| 10. |
Reparative regeneration involvesA. Replacement of lost partB. Growth of whole organism from a fragmentC. Healing of injuryD. Both A and B |
| Answer» Correct Answer - C | |
| 11. |
Reparative regeneration occurs inA. InvertebratesB. VertebratesC. Both invertebrates and vertebratesD. A few vertebrates |
| Answer» Correct Answer - C | |
| 12. |
Eviscreation occurs inA. CoelenterataB. AnnelidaC. EchinodermataD. Chordata |
| Answer» Correct Answer - C | |
| 13. |
Degrowth takes place whenA. Anabolism is higher than catobolismB. Catabolism is higher than anabolismC. Protoplasmic synthesis is more than apoplasmatic synthesisD. Apoplasmatic synthesis is more than protoplasmic synthesis. |
| Answer» Correct Answer - B | |
| 14. |
In ageiung there isA. Decrease in cholestrol levelB. Increase in calcium contents of artries and cartilageC. Decrease in calcium contents of artries and cartilageD. Decrease in blood urea |
| Answer» Correct Answer - B | |
| 15. |
Cell growth occurs duringA. InterphaseB. Mitotic phaseC. Postmitotic phaseD. Interphase and postmitotic phase |
| Answer» Correct Answer - D | |
| 16. |
Ausetic growth occurs inA. Humans beingsB. FrogC. NematodsD. Lizards |
| Answer» Correct Answer - C | |
| 17. |
Branch of biology dealing with ageing isA. GerontologyB. PsychobiologyC. KalologyD. Dermatology. |
| Answer» Correct Answer - A | |
| 18. |
Read the statement and find out true/false (a) Type of regeneration in Hydra is known as epimorphosis (b) Members of reptiles such as lizards exhibit autotomy (c) Regeneration of limb in amphibians involves morphallaxisA. a and b are false but c is trueB. a and c are false but b is trueC. b and c are false but a is trueD. b and c are true but a is false |
| Answer» Correct Answer - B | |
| 19. |
Salamander and Axolotl larva regenerateA. Limbs , eye structures and intestineB. Jaws and external gillsC. Both A and BD. Trunk |
| Answer» Correct Answer - C | |
| 20. |
Regeneration of liver isA. EpimorphosisB. Reparative regenerationC. MetamorphosisD. Morphogenesis |
| Answer» Correct Answer - B | |
| 21. |
Regeneration of Hydra would be faster if it is cut off fromA. TentaclesB. HypostomeC. BaseD. All the above |
| Answer» Correct Answer - A | |
| 22. |
According to which theory is the given statement correct ? Statement. B and T cells having receptors for self antigens, undergo programmed cell deathA. Somatic mutation theoryB. Programmed senescence theoryC. Wear and tear theoryD. Immunological theory . |
| Answer» Correct Answer - B | |
| 23. |
Axolotl larva shows i. Neoteny and paedogenesis ii. Absence of thyroxine affects metamorphosis iii. It is hemichordataA. I, ii and iii correctB. I and ii correctC. ii and iii correctD. iii correct |
| Answer» Correct Answer - B | |
| 24. |
Regeneration of a limbs or tail is an example ofA. Compensatory hypertropyB. EpimorphosisC. MorphallaxisD. Autotomy |
| Answer» Correct Answer - B | |
| 25. |
Restorative regeneration decrease withA. Increase in complexity of organisationB. Decrease in organisational complexityC. Development of hormonesD. Development of nerves |
| Answer» Correct Answer - A | |
| 26. |
According to immunity theory ,ageing is due toA. Accumulation of errorsB. Reduced functioning of endocrine glandsC. Degeneration of thymusD. Accumulation of waste products. |
| Answer» Correct Answer - C | |
| 27. |
Reserve cells areA. Differentiated with no capacity of cell divisionB. Differential with capacity of cell divisionC. Undifferentiated with capacity of cell divisionD. Undifferentiated with no. capacity of cell division. |
| Answer» Correct Answer - C | |
| 28. |
Choose the correct sequence of stages of growth curve for bacteriaA. Lag, log, stationary and declineB. Lag, log, decline, and stationaryC. Stationary , lag, log, declineD. Decline, lag and log phase |
| Answer» Correct Answer - B | |
| 29. |
Growth in living being in mainly byA. AccretionB. AggregationC. IntussusceptionD. Accumulation |
| Answer» Correct Answer - C | |
| 30. |
"Genes in somatic cells undergoe mutation with time and cause senescence ." This theory belongs toA. Error and damage theoriesB. Hormonal theoryC. Immunological theoriesD. Programmed senscence theory |
| Answer» Correct Answer - A | |
| 31. |
Maximum growth rate occur inA. Stationary phaseB. Lag phaseC. Exponential phaseD. Senescent phase |
| Answer» Correct Answer - C | |
| 32. |
A gradual decrease in size of tail during metamorphosis of frog is due toA. Cell mecrosisB. Pinocytic activityC. Programmed cell deathD. Cell senescence |
| Answer» Correct Answer - C | |
| 33. |
Growth curve indicatesA. Growth rateB. A growth parameter at various intervalsC. Absolute growthD. Absolute increase |
| Answer» Correct Answer - B | |
| 34. |
Early embroyonic developmental stages constituteA. Functional stateB. Prefunctional stateC. Transitional growthD. Fundamental growth |
| Answer» Correct Answer - B | |
| 35. |
When growth takes place only by increase in volume of existing cells, it is calledA. Auxetic growthB. Multiplication growthC. Accretionary growthD. Differentiated cells |
| Answer» Correct Answer - A | |
| 36. |
Choose the correct option of alphabets for phases in accompanying growth curve A. a-rapid growth, b-diminhing growth, c-stationary , d-slow growthB. a-slow, growth, b-exponential growth, c-diminishing growth, d-stationaryC. a-stationary , b-slow growth, c-rapid growth, d-diminishing growthD. a-diminishing growth, b-exponential growth, c-slow growth, d-stationary growth |
| Answer» Correct Answer - B | |
| 37. |
Growth through increase in volume isA. CartilageB. Striated muscleC. Nerve fibreD. Lens of eye |
| Answer» Correct Answer - B | |
| 38. |
Growth rate in childhood is controlled byA. ThymosineB. ThyroxineC. ProgesteroneD. Oestrogen |
| Answer» Correct Answer - A | |
| 39. |
Number of brain cells that become deat at the age of 70 years constituteA. `10%`B. `20%`C. `30%`D. `55%` |
| Answer» Correct Answer - B | |
| 40. |
Growth in the first 10-13 years of age is controlled byA. STHB. ACTHC. thyroxineD. thymosin |
| Answer» Correct Answer - C | |
| 41. |
Growth in the first 10-13 years of age is controlled byA. Somatotrophic hormoneB. ThyroxineC. ThymosinD. Gonadotrophic hormone |
| Answer» Correct Answer - C | |
| 42. |
Which one of the following is known for its regeneration pwer?A. HydraB. ObeliaC. PhysaliaD. Aurelia |
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Answer» Correct Answer - A Hydra is famous for its regeneration power. Trembley (1740) discovered regeneration in the animal. He obtained a seven headed Hydra through selective cutting and regeneration. |
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| 43. |
Ageing of leaves is calledA. senescenceB. necrosisC. photoperiodismD. vernalisation |
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Answer» Correct Answer - A Among of leaves is called senescence. It is the process of grwoing old, which occurs in all species and is typified by a gradual slowing down of rhetabolism and breakdown of tissues, often accompanied by endocrinal changes. |
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| 44. |
Which is the correct example of the type of regeneration out of two major types ?A. Morphallaxis- Regeneration of two transversely cut equal pieces of one Hydra into two small HydraB. Epimorphosis-Replacement of old and dead erythrocytes by the new onesC. Morphallaxis-Healing of wound in the skinD. Epimorphosis-Regeneration of crushed and filtered out pieces of Planaria into as many new planarian |
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Answer» Correct Answer - A Morphallaxis involves the involves the reconstruction of whole body from small fragment by reorganising the existing cells, e.g. regeneration of Hydra from its piece. |
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| 45. |
Select the correct option Assertion Q. due to fragmentation in Planaria, each part develops the remaining body parts and becomes a complete animal Reason R. Differentiated tissue present in each broken part of Planaria undergoes dediferentiation and then differentiation in regeneration.A. Both Assertion and Reason are true and Reason is the corrrect explanation of AssertionB. Both Assertion and Reason are true, but Reason is not the correct explanation of AssertionC. Assertion is true, but Reason is falseD. Both Assertion and Reason are false |
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Answer» Correct Answer - A Regeneration is the capacity of the body to produce the lost part by proliferation of cells. Planarians have remarkable power or regeneration. The differentiated tissue in each broken part of planaria undergoes dedifferentiation and then differentiation to become complete animal. |
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| 46. |
Isometric growth in not found inA. mammalsB. fishesC. locustD. grasshopper |
| Answer» Correct Answer - A | |
| 47. |
Programmed cell death occurs inA. apoptosisB. necrosisC. self-amputationD. regeneration |
| Answer» Correct Answer - A | |
| 48. |
Healing of cuts and wounds isA. regenerationB. degrowthC. dedifferentiationD. growth |
| Answer» Correct Answer - A | |
| 49. |
With the increase in age, which of the following organ in mice, dog and man exhibits increase in chromosomal aberrations?A. LiverB. BrainC. KidneyD. Gonads |
| Answer» Correct Answer - A | |
| 50. |
During puberty, the rate of growth increases due toA. thyroxine hormoneB. adrenalineC. insulinD. None of these |
| Answer» Correct Answer - A | |