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. |
During his college days, Panchanan Maheshwari was inspired by an American missionary teacher.A. Dr. W. DudgeonB. T.R. MalthusC. Chalers LyellD. Charles Darwin and Francis Darwin. |
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Answer» Correct Answer - A During his college days Panchanan Maheshwari was inspired by an American missionary teacher Dr. W. Dudgeon. |
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| 2. |
Which of the following flowers only once in its life-timeA. Bamboo speciesB. JackfruitC. MangoD. Papaya. |
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Answer» Correct Answer - A Bamboo flowers only once in its life-time. |
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| 3. |
Number of chromosomes in the meiocyte of onion,potato,housefly, humans and Ophioglossum are respectively.A. 32,24,12,46,1260B. 16,12,6,23,630C. 16,48,12,46,1260D. 32,48,12,46,1260. |
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Answer» Correct Answer - C Number of chromosomes in the meiocyte of onion, potato, housefly, humans and Ophioglassum respectively are 16,48,12,46 and 1260. |
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| 4. |
The following figure shows A. Heterogametic contact in humansB. Homogametic contact in humansC. Homogametic contact in algaD. Heterogametic contact in alga. |
| Answer» Correct Answer - C | |
| 5. |
Assertion: The sizes of crows and parrots are not very different yet their life spans shows a wide difference. Reason: Life spans of organisms are not necessarily correlated with their sizes. |
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Answer» Correct Answer - A Life spans of organisms are not necessarily correlated with their sizes. The sizes of crows and parrots are not very different yet their life spans show a wide fifference. A mango tree has a much shorter life span as compared to a peepal tree. |
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| 6. |
In several fungi and plants the bisexual condition is denoted byA. Homothallic and monoeciousB. Heterothallic and mnoeciousC. Homothallic and dioeciousD. Heterothallic and dioecious |
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Answer» Correct Answer - A In several fungi and plants, terms such as homothallic and monoecious are used to denote the bisexual condition and heterothallic and dioecious are the terms used to describe unisexual condition. |
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| 7. |
Find out wrongly matched pair.A. Tuber-PotatoB. Leaf buds-BananaC. Offsets-Water HyacinthD. Rhizome-Ginger |
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Answer» Correct Answer - B Tuber-Potato Leaf buds-Bryophyllum Offsets-Water Hyacinth Rhizome-Ginger. |
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| 8. |
During favourable condition the encysted amoeba divides by multiple fission and produces pseudopodiospores. This phenomenon is known asA. BuddingB. SporulationC. FragmentationD. Regeneration. |
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Answer» Correct Answer - B During favourable condition the encysted amocha divides by multiple fission and proudces pseudopodiospores. This pehnomenon is known as sporulation. |
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| 9. |
Which one of the following plant shows unusual flowering phenomenon?A. Bamboo and bananaB. Banana and NeelakurinjiC. Bamboo and Strobilanthes kunthianusD. All of the above. |
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Answer» Correct Answer - C Bamboo and strobilanthus kunthiana shows unusual flowering phenomenon. |
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| 10. |
In vegetative propagation by tubers, which of following remains constant through generations?A. MorphologyB. Vigour onlyC. Vigour and morphology onlyD. Morphology, vigour and disease resistance. |
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Answer» Correct Answer - D In vegetative propagation morphology, vigour and disease resistance remains constant through generations. |
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| 11. |
When offspring is produced by a single parent with or without the involvement of gamete formation, the reproduction is calledA. Asexual reproductionB. SexualC. ParthenogeneticD. Either A or B |
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Answer» Correct Answer - A When offspring is produced by a single parent with of without the involvement of gamete formation, the reproduction is called asexual. |
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| 12. |
Asexually produced organism inheriting all the characters of the parent is:A. OffspringB. CloneC. VarietyD. Hybrid. |
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Answer» Correct Answer - B Asexually produced organism inheriting all the characters of the parent is clone. |
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| 13. |
Assertion: Many plants are propagated vegetatively even though they bear seeds. Reason: Potatoes multiply by tubers, apple by cutting etc.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 the assertion.C. If the assertion is true but reason is false.D. If both the assertion and reason are false. |
| Answer» Correct Answer - C | |
| 14. |
Which of the following group uses water as medium for gamete transport? a. Algae (Thallophytes) b. Bryophytes c. Pteridophytes d. Gymnospersms e. AngiospermsA. a,b and cB. b,c and dC. c,d and eD. b and c only. |
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Answer» Correct Answer - A There is a need for a medium through which the male gametes move. In several simple plants like algae. bryophytes and pteridophytes, water is the medium through which this gamete transfer takes place. |
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| 15. |
Estrous cycle is indication ofA. Breeding periodB. Estrogen secretionC. PregnancyD. Menopause. |
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Answer» Correct Answer - A Estrous cycle is Indicatation of breeding period. |
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| 16. |
Assertion: In haploid organism, specialised cells called meiocytes (gamete mother cells) undergo reduction division. Reason: The plant body of the monera, fungi , algae and bryophytes is haploid. |
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Answer» Correct Answer - D In diploid orgamis, specialised cells called meiocyte (gamete mother cell) undergo reduction division. Chromosome number in the gamete is half the number of chromosome in meiocyte. |
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| 17. |
Assertion: In Protists and Monerans, the cell division is itself a mode of reproduction. Reason: In Protists and Monerans, the organism or the parent cell divides into two to giverise to new individuals. |
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Answer» Correct Answer - A In Protists and Monerans, the organisms or the parent cell divides into two to give rise to new individuals. Thus is these. Organisms cell-division is itself a mode of reproduction. |
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| 18. |
Select the mismatchA. Cycas-DioeciousB. Salvinia-HeterosporousC. Equisetum-HomosporousD. Pinus-Dioecious |
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Answer» Correct Answer - D Pinus-Monoecious |
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| 19. |
In bryophytes and and pteridophytes, transport of male gametes requiresA. BirdsB. WaterC. WindD. Insects. |
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Answer» Correct Answer - B There is a need for a medium through which the male gamests move. In several simple plants like algae, bryophytes and pteridophytes, water is the medium through which this gamete transfer takes place. |
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| 20. |
A haploid parent produces gametes by . . . . . . A. . . . .division while diploid parent produces gametes by . . . . . . B . . . . Division.A. a-mitotic, b-meioticB. a-meiotic, b-mitoticC. a-amitotic, b-meioticD. a-meiotic,b-amitotic. |
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Answer» Correct Answer - A A haploid parent produces gametes by mitotic division while diploid parent produces gametes by meiotic division. |
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| 21. |
Parthenogenesis is found in a. Platyhelminthes b. Rotifers c. some annelids d. Honeybees e. some lizards f. cephalochordates g. Turkey birdsA. a,b,c and fB. d,e, and gC. a,b,c and dD. b,d,e and g |
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Answer» Correct Answer - D Parthenogenesis is found in rotifers, honeybees, some lizars and turkey birds. |
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| 22. |
In diplontic life cycle, meiosis occurs during.A. Zoospore formationB. Zygotic developmentC. Spore germinationD. Gamete formation. |
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Answer» Correct Answer - D In diplontic life cycle, meiosis occurs during gaemte formation |
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| 23. |
Match the column I and II, and chooose the correct combination from the options given. `{:("Column I","Column II"),("Drosophila","1-2 weeks"),("Butterfly","2weeks"),("Crow","15 years"),("Parrot","60years"),("Tortoise","140 years"),("Crocodile","100-150 years"):}`A. b-1,a-2,e-3,c-4,d-5,f-6B. a-1,b-2,c-3,e-4,f-5,d-6C. a-1,b-2,e-3,c-4,d-5,f-6D. b-1,a-4,c-3,e-4,f-5,d-6 |
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Answer» Correct Answer - D `{:("Drosphila",2"weeks"),("Butterfly",1-2"weeks"),("Crow","15years"),("Parrot",140"years"),("Tortoise","100-150years"),("Crocodile","60 years"):}` |
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| 24. |
Match the columns I and H. and choose the correct combination from the options given. `{:("Column I","Column II"),("Sponge","Monoecious"),("Leech","Dioecious"),("Cockraoch","Hermaphrodite"),("Frog","Unisexual"),("Date palm","Bisexual"):}`A. a-1,e-2,b-3,d-4,b-5B. c-1,a-2,d-3,b-4,b-5C. e-1,c-2,b-3,d-4,b-5D. All of the above. |
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Answer» Correct Answer - D Spongs,leech-Monoecious/bisexual/hermaphrodite Cockroach,frog-Dioecious/universal Date palm-Dioecious |
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| 25. |
Match the columns I and II, and choose the correct combination from the options given. `{:("Column I","Column II"),("Coconut","Monoecious"),("Tapeworm",),("Earthworm",):}`A. a-1,b-2,a-3,b-4B. b-1,a-2,b-3,a-4C. a-1,b-2,a-3,a-4D. a-1,b-2,b-3,b-4 |
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Answer» Correct Answer - C `{:("Coconut","Monoecious"),("Papaya","Dioecious"),("Tapeworm","Monoecious"),("Earthworm","Monoecious"):}` |
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| 26. |
Match the columns I and II, and choose the correct combination from the options given. `{:("Name of Organisms","Chromosome number in gametes"),("Butterfly",6),("Housefly",39),("Dog",21),("Cat",19),("Rat",190):}`A. a-5,b-1,c-2,e-3,d-4B. b-1,e-2,d-3,c-4,a-5C. e-1,a-2,b-3,d-4,c-5D. e-1,a-2,c-3,b-4,d-5 |
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Answer» Correct Answer - A |
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| 27. |
Which of the following characteristics is not shared by birds and mammalsA. ViviparityB. Warm blooded natureC. Ossified endoskeletonD. Breathing using lungs. |
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Answer» Correct Answer - A Viviparity is not found in birds but found in mammals. |
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| 28. |
Human gametes differ from all other body cells in beingA. HaploidB. DiploidC. MotileD. Without cell wall |
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Answer» Correct Answer - A Human gametes differ from all other body cells in being haploid. |
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| 29. |
Assertion: Cow,sheep and rats are non-primate mammals exhibiting oestrous cycle. Reason: Deer,dog and tiger are primate mammals exhibiting menstrual cycle. |
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Answer» Correct Answer - C The females of placental mammals exhibit cyclical changes in the activities of ovary and accessory ducts as well as hormones during the reproductive phases. In non-primate mammals like cows, sheep, rats, deers,dogs ,tiger etc., cyclical chnages during reproduction are called oestrus cycle where as in primates (monkeys,apes and humans) it is called menstrual cycle. |
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| 30. |
Animals in which development of zygote takes place outside the body of female parent and they lay fertilised/unfertilised eggs are called.A. OviparousB. ViviparousC. OvoviviparousD. Marsupials |
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Answer» Correct Answer - A Animals in which development of zygote takes place outside the body of female parent and they lay fertilised/unfertilised egg are called oviparous. |
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| 31. |
Each and every organism can live only for a certain period of time. The period from birth to the natural death of an organism represents itsA. Asexual reproductionB. Sexual reproductionC. Development.D. Life span |
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Answer» Correct Answer - D Each and every organism can live only for a certain. Period of time. The period from birth to the natural death of an organism represents its life span. |
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| 32. |
Match the following and choose the correct combination A. a-1,b-2,c-3,d-4B. a-2,b-3,c-4,d-1C. a-4,b-3,c-1,d-2D. a-4,b-3,c-2,d-1 |
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Answer» Correct Answer - D |
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| 33. |
Many mammals which are reproductively active throughout their reproductive phase are called.A. Continuous breedersB. Seasonal breedersC. Reflex breedersD. Spontaneous breeders. |
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Answer» Correct Answer - A Many mammals which are reproductively active throughout their reproductive phase are called continous breeders. |
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| 34. |
Syngamy can occur outside the body of the organism inA. MossesB. AlgaeC. FernsD. Fungi. |
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Answer» Correct Answer - B Syngamy can occur outside the body of the organism in algae. |
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| 35. |
Process of sexual reproduction which involves meiosis and syngamy isA. ApomixisB. AmphimixisC. AgamospermyD. Diplospory |
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Answer» Correct Answer - B Process of sexual reproduction which involves meiosis and syngamy is amphimixis. |
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| 36. |
Syngamy meansA. Fusion of gametesB. Fusion of cytoplasmsC. Fusion of two similar sporesD. Fusion of two dissimilar spores. |
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Answer» Correct Answer - A Syngamy means fusion of gametes. |
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| 37. |
Assertion: All the events of sexual reproduction prior to the fusion of gametes includes in the post -fertilisation events. |
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Answer» Correct Answer - D All the events of sexual reproduction prior to the fusion of gametes includes in the pre-fertilisation events. Pre-fertilisation event includes gametogensis and gamete transfer. |
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| 38. |
In which set of organisms does external fertilization occurA. Echinodermata and mossB. Hemichrodata and fernC. Amphibian and algaeD. Reptile and gymnosperm |
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Answer» Correct Answer - C In amphibian, bony and algae external fertilization occur. |
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| 39. |
Assertion: Syngamy occurs in the external medium, i.e. the outside of the body of the organism is called external fertilisation. Reason: Syngamy occurs inside the body of organism is called internal fertilisation. |
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Answer» Correct Answer - B Syngamy occurs in the external medium, i.e. the outside of the body of the organism is called external fertilisation. Syngamy occurs inside the body of organism is called internal fertilisation. |
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| 40. |
Transitions between the juvenile, reproductive and senescent phases in both plants in both plants and animals is maintained byA. EnzymesB. HormonesC. VitaminsD. All of the above. |
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Answer» Correct Answer - B Transitions between the juvenile, reproductive and sensescent phases in both plants and animals is maintained by hormones. |
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| 41. |
In plants certain structures such as runner, rhizome, sucker, tuber, offset, bulb are all capable of giving rise to new offspring. These structures are calledA. ClonesB. GraftsC. Vegetative propagulesD. Adventitious buds. |
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Answer» Correct Answer - C In plants, the vegetative propagation such as runner, rhizome, sucker, tuber, offset, bulb are all capable of giving rise to new offspring. These structures are called vegetative propagules. |
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| 42. |
Clone is a group of individuals got throughA. Self pollinationB. Cross pollinationC. vegetative propagationD. Hybridisation. |
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Answer» Correct Answer - C Clone is a group of individuals got through vegetative propagation. |
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| 43. |
Individuals of a clone have.A. Same ageB. Same heightC. Same genomeD. Same number of leaves. |
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Answer» Correct Answer - C Individuals of a clone have same genome. |
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| 44. |
Grafting is not possible in monocots because theyA. Lack cambiumB. Are herbaceousC. Have conjoint open vascular bundlesD. Have parallel venation. |
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Answer» Correct Answer - A Grafting is not possible in monocots as they lack cambium. |
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| 45. |
Identify the correct statementA. Because of marked climatic variations, plants growing near th sea shore do not produce annual rings.B. The age of the plant can be determined by its height.C. Grafting is difficult in monocot plants as they have scattered vascular bundles.D. Healing of damaged tissue is because of activity of sclerenchyma cells. |
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Answer» Correct Answer - C Because of marked climatic variations, plants gorwing near the sea shore produce annual rings. The age of the plant can be deermined by annual rings. Grafting is difficult is monocot plants as they have scattered vascular bundles. Healing of damaged tissue is because of activity of meristematic cells. |
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| 46. |
In grafting, stock isA. Stem of desired varietyB. Bud of desired varietyC. Part of rooted plantD. Part to be grafted |
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Answer» Correct Answer - C Grafting: In this technique, a root system and a shoot system of two different plants are connected and later they develop a composite plant. Grafting is only possible in cambium containing woody plants. Grafting is not possible in monocots as they lack cambium. For union between scion and stock in grafting firstly formation of callus takes place. Shoot system is called graft or scion while root system is called stock E.g. : Mango , Guava,Apple,Rose,Peach,Pear,Plum. |
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| 47. |
Animals which possess cleidoic eggs exhibitA. External fertilization and internal developmentB. Internal fertilization and internal developmentC. Internal fertilization andn external developmentD. External fertilization and external development. |
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Answer» Correct Answer - C Animals (reptiles and birds) which posses cleidoic eggs exhibit internal fertilization and external development. |
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| 48. |
In some algae, the two gametes are so similar in appear-ance that is not possible to categorise them into male and female gametes. These gametes are calledA. IsogametesB. HeterogametesC. HomogametesD. Both A and C. |
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Answer» Correct Answer - D In some algae, the two gametes are so similar in appearance that is not possible to categorise them into male and female gametes. These gaemets are called isogametes or homogametes. |
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| 49. |
The internal buds of fresh water sponges are otherwise calledA. GemmaB. GemmuleC. OsculumD. Blastula. |
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Answer» Correct Answer - B See chapter-4. The internal buds of fresh water sponges are otherwise called gemmule. |
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| 50. |
Which one is found only in aquatic plantA. RunnerB. StolonC. TuberD. Offset. |
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Answer» Correct Answer - D Offset is found only in aquatic plants (Pistia and Eichhornia). |
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