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. |
Endosperm development precedes embryo development, the endosperm of angiospermic plant isA. TriploidB. DiploidC. HaploidD. Tetraploid |
| Answer» Correct Answer - 1 | |
| 2. |
Assertion :- Endosperm increases the success rate of seedling development. Reason :- Endosperm arises from PEC.A. AB. BC. CD. D |
| Answer» Correct Answer - 2 | |
| 3. |
Assertion :- Most zygotes divide only after certain amount of endosperm is formed. Reason :- This is an adaptation to provide assured nutrition to the developing embryo.A. AB. BC. CD. D |
| Answer» Correct Answer - 1 | |
| 4. |
Primary endosperm nucleus is formed by the fusion ofA. Fusionof two polarnucleiand one malegameteB. Fusionof one swergid and two polar nucleiC. Fusion of two antipodal and one male gameteD. Fusionof one male gamete one synergids and one antipodal cell |
| Answer» Correct Answer - 1 | |
| 5. |
A typical angiosperm embryosac at maturity is :-A. 7 celled = 8 nucleatedB. 9celled- 7 nucleatedC. 3 celled - 3 nucleatedD. 2celled- 2 nucleated |
| Answer» Correct Answer - 1 | |
| 6. |
Assertion :- Seed bearing plants like angiosperms show wide geographic distribution. Reason :- Seeds have better adaptive strategies for dispersalA. AB. BC. CD. D |
| Answer» Correct Answer - 1 | |
| 7. |
Assertion :- ln Angiosperms, sexual reproduction takes place through the flower. Reason : All the parts of the flower are modification of stemA. AB. BC. CD. D |
| Answer» Correct Answer - 3 | |
| 8. |
Transfer of pollen grains from the another to the stigma of another flower of the same plant is calledA. XenogamyB. AutogamyC. GeitonogamyD. Allogamy |
| Answer» Correct Answer - 3 | |
| 9. |
Assertion :- Non synchronised pollen release and stigma receptivity is of evolutionary significance. Reason :- It prevent self pollination and promote more genetic variabilityA. AB. BC. CD. D |
| Answer» Correct Answer - 1 | |
| 10. |
How many meiotic divisions are necessary for formation of 100 functional megaspores:-A. 25B. 50C. 100D. 200 |
| Answer» Correct Answer - 3 | |
| 11. |
How many meiotic divisions are required for the formation of 200 seeds of CapsellaA. 200B. 400C. 250D. 300 |
| Answer» Correct Answer - 3 | |
| 12. |
The seeds of which type of plant have no dormancyA. XerophytesB. MesophytesC. Halophytes and hydrophyteD. Mangroves |
| Answer» Correct Answer - 4 | |
| 13. |
Cotyledons absent in seed ofA. CapsellaB. CuscutaC. SantalumD. 2 and 3 both |
| Answer» Correct Answer - 4 | |
| 14. |
Part of Castor seed that yields oil isA. CotyledonB. CaruncleC. EndospermD. Nucellus |
| Answer» Correct Answer - 3 | |
| 15. |
Micropyle in seed helps in the enrrty ofA. Male gameteB. Pollen tubeC. Water & airD. All |
| Answer» Correct Answer - 3 | |
| 16. |
Non albuminous seeds are present in :-A. Pisum (Pea)B. Ground nut (Arachis)C. BothD. Maize |
| Answer» Correct Answer - 3 | |
| 17. |
Although in most of spades fruits are result of fertilisation, there are a few species in which fruit develop without fertilisation - process is known as:A. ParthenocarpyB. ParthenogenesisC. AmphimixisD. Apomixis |
| Answer» Correct Answer - 1 | |
| 18. |
Parthenogenesis occurs when :-A. When embryo is formed without the fusion of egg and the spermB. When embryo is formed by the fusion of egg and spermC. When embryo is from another cellD. When sperm produce the embryo directly |
| Answer» Correct Answer - 1 | |
| 19. |
Assertion :- It is believed particularly for some bryophytes and pteridophytes that their distribution is limited. Reason :- They need water for transport of male gametes and fertilisationA. AB. BC. CD. D |
| Answer» Correct Answer - 1 | |
| 20. |
Free nuclear division in an angiosperm takes place duringA. Pollen formationB. Endosperm formationC. Embryo formationD. Flower formation |
| Answer» Correct Answer - 2 | |
| 21. |
When anthers and stigma mature at the same time it is calledA. DichogamyB. AllogamyC. XenogamyD. Homogamy |
| Answer» Correct Answer - 4 | |
| 22. |
Assertion :- Cleistogamous flowersare invariably autogamous. Reason :- These flowers do not open at all.A. AB. BC. CD. D |
| Answer» Correct Answer - 1 | |
| 23. |
Development of male gametophyte is :-A. InvivoB. lnsituC. BothD. In-vitro |
| Answer» Correct Answer - 3 | |
| 24. |
Asertion :- Cleistogamyis disadvantageous for plants. Reason:- Cleistogamous flowers do not opens so sex organs donot receive sufficient light,which is essential for maturation of gametes.A. AB. BC. CD. D |
| Answer» Correct Answer - 3 | |
| 25. |
Female gametophyte like pollens are found inA. SorghumB. HyacinthusC. VincaD. Pea |
| Answer» Correct Answer - 2 | |
| 26. |
Each cell of sporogenous tissue is potential pollen or microspore mother cell, Division taking place in sporogenous cell is :-A. MeiosisB. MitosisC. EndomitosisD. Amitosis |
| Answer» Correct Answer - 1 | |
| 27. |
Omithophily takes place in :A. Yellow flower having nectariesB. Scented flowerC. Flower with charming colourD. Modified corolla |
| Answer» Correct Answer - 1 | |
| 28. |
Assertion :- All aquatic plants use water for pollination. Reason :- In aquatic habitat water is the only medium for transfer of gametesA. AB. BC. CD. D |
| Answer» Correct Answer - 4 | |
| 29. |
Term apomixis was given by:A. LeeuwenhoekB. WinklerC. juel & MurbeckD. Nawaschin & Guignard |
| Answer» Correct Answer - 2 | |
| 30. |
Nuceller polyembryony is reported in special ofA. CirtusB. MangoC. Both 1 & 2D. Capsella |
| Answer» Correct Answer - 3 | |
| 31. |
Haploid and triploid conditions respectively can be traced in :-A. Egg, Nucellus, EndospermB. Antipodal, Egg, EndospermC. Endosperm, Nucellus, SynergidsD. Antipodal, Synergids & lnteguments |
| Answer» Correct Answer - 1 | |
| 32. |
After culturing the anther of a plants few diploid plant were got along with haploid plant . Which of the following part might have given rise to diploid plantA. Vegetative cell of pollenB. Exine of pollen wallC. Cells of anther wallD. Generative cell of pollen |
| Answer» Correct Answer - 3 | |
| 33. |
When embroy develops from a haploid cellof embroysac , other than egg cell the process is known asA. ApogamyB. AposporyC. Adventive embryonyD. Diplo spory |
| Answer» Correct Answer - 1 | |
| 34. |
What are x-bodies in ovulesA. Two polar nucleiB. Disintegrating tube nucleus & synergid nucleusC. Filiform apparatusD. Two male nuclei |
| Answer» Correct Answer - 2 | |
| 35. |
The coconut water from tender coconut that you are familiar with is :-A. Nuclear endospermB. Cellular endospermC. Helobial endospermD. All |
| Answer» Correct Answer - 1 | |
| 36. |
Assertion :- Pollen grainscan withstandhigh temperature and strong acids and alkali. Reason-Theirnnehrarldayeirn tinisemaduep of sporopolleninA. AB. BC. CD. D |
| Answer» Correct Answer - 3 | |
| 37. |
Assertion :- Inner mostlayerofmicrosporangium or pollen sac, tapetum is of physiological significance. Reason :- All kindof nutritionof developingpollen grains go through tapetum.A. AB. BC. CD. D |
| Answer» Correct Answer - 1 | |
| 38. |
The type of cells under going meiosis in the flowers areA. Microspore mothe cell & megaspore mother cellB. Ovule & stamenC. Tapetal cellsD. Placental cell |
| Answer» Correct Answer - 1 | |
| 39. |
Chasmocleistogamous flowers are present inA. Viola (common pansy)B. OxalisC. CommelinaD. All the above |
| Answer» Correct Answer - 4 | |
| 40. |
In over 60% of angiosperms pollen grains are shed atA. One celled stageB. Three nuclei stageC. Two celled stageD. Three celled stage |
| Answer» Correct Answer - 3 | |
| 41. |
Persistent nucellus in the seed is known asA. ScutetlumB. PericarpC. TigellumD. Perisperm |
| Answer» Correct Answer - 4 | |
| 42. |
In Angiosperm, if haploid number of chromosome is 12 then what will be the no. of chromosomes in integuments and synergidsA. 12, 12B. 24, 12C. 24, 24D. 12, 24 |
| Answer» Correct Answer - 2 | |
| 43. |
In Angiosperm, if number of chromosomes in endosperm is 30, what will be the no. of chromosomes in nucellus :-A. 15B. 30C. 20D. 40 |
| Answer» Correct Answer - 3 | |
| 44. |
Which is the most logical sequence with refernce to the life cycle of angiospermA. Germination, endosperm formation , seed dispersal, double fertlizationB. Cleavage , fertlization , grafting, fruit formationC. Pollination , fertlization , seed formation & germinationD. Maturation, mitosis , differentiation |
| Answer» Correct Answer - 3 | |
| 45. |
In a type of apomixis known as adventure embryony embryos develop directly from theA. Nucellus or integumentsB. Synergids or antipodals in an embryosacC. Accessory embryosacs in the ovuleD. Zygote |
| Answer» Correct Answer - 1 | |
| 46. |
Double fertilization is essential for formation ofA. CotyledonsB. Seed coatC. EndospermD. Nucellus |
| Answer» Correct Answer - 3 | |
| 47. |
In which one pair, both the plants can be vegetatively propagated by leaf pieces ?A. Btyophyllum and KalanchoeB. Chrysanthemum and AgaveC. Agave and KalanchoeD. Asparagus and Biyophyllum |
| Answer» Correct Answer - 1 | |
| 48. |
The function of suspensor isA. To provide waterB. To provide oxygenC. To push towards endosperm to provide more foodD. To suck food |
| Answer» Correct Answer - 3 | |