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. |
Pollen tube cytoplasm is like any other living cell in showingA. CalloseB. Large vecuolesC. Cytoplasmic streamingD. Mucilage vesicles. |
| Answer» Correct Answer - C | |
| 2. |
The apical growing region of pollen tube is calledA. Growing zoneB. Cap blockC. Non-vacuolate regionD. Organelle region. |
| Answer» Correct Answer - B | |
| 3. |
Formation of additional embryo from part of the same embryo or embryo sac isA. True polyembryonyB. False polyembryonyC. Adventitive polyembryonyD. Haploid-diploid polyembryony. |
| Answer» Correct Answer - A | |
| 4. |
A group of specialised nucellar cells between embryo sac and micropyle isA. MetastaseB. MesostaseC. EpistaseD. Hypostase. |
| Answer» Correct Answer - C | |
| 5. |
Group of specialized thickened nucellar cells between embryo sac and chalaza isA. HypostaseB. EpistaseC. TapetumD. Endothelium. |
| Answer» Correct Answer - A | |
| 6. |
The condition of maturation of anthers and stigmas of the same flower simultaneously isA. XenogamyB. GeitonogamyC. AllogamyD. Homogamy. |
| Answer» Correct Answer - D | |
| 7. |
Which of the following is correct chronological order of the division taking place through an apical or embryo cell to a sixteen cell stageA. Vertical division______ Transverse division ____ Division at right angles to both thhe privious divisions____ Periclinal divisionB. Vertical division___ Vertical division at right angles to the first division___Division at right angles to both the privious divisions____ Periclinal divisionsC. Vertical division ____ Transverse division ____ Periclinal divisionD. Vertical division___ Vertical division at right angles to the first division___ at right angles to the first division___ Transverse division___ Periclinal division. |
| Answer» Correct Answer - D | |
| 8. |
Passage of pollen grains fromanthers of one flowers to stigmas of other flowers isA. AllogamyB. ChasmogamyC. XenogamyD. Geitonogamy |
| Answer» Correct Answer - A | |
| 9. |
Wind pollinated flowers areA. Small, brightly coloured, producing large number of pollen grainsB. Small, producing large number of dry pollensC. Large producing abundant nectar and pollenD. Small producing nectar and dry pollen. |
| Answer» Correct Answer - B | |
| 10. |
Crows help pollination ofA. AgaveB. BomboxC. ErythrinaD. Bignonia. |
| Answer» Correct Answer - B | |
| 11. |
Pollination in water by hyacinth and water lily is brought about by the agency of:A. BatsB. WaterC. Insects or windD. Birds . |
| Answer» Correct Answer - C | |
| 12. |
Environmetal biotic factor that helps in pollination isA. AirB. WaterC. WindD. Insects. |
| Answer» Correct Answer - D | |
| 13. |
IN Tape Grass (= Vallisneria )A. Both male and female flowers break from the plant and float on the surface of waterB. Only the female flowers break from the plant while the male flowers are brought to the surface by long stalksC. only the male flowes break from the plant and rise to the surface while the female flowers are brought to the surface by long pedicelsD. Any of the two types of flowers can break. |
| Answer» Correct Answer - C | |
| 14. |
Pollination by insect is called:A. EntomophilyB. ChiropterophilyC. AnemophilyD. Zoophily. |
| Answer» Correct Answer - A | |
| 15. |
Pollen grains insect pollinated flowers areA. Smooth and stickyB. Smooth and roughC. Rough and dryD. Rough and sticky. |
| Answer» Correct Answer - D | |
| 16. |
The male flowers of Vallisneria float on the surface of water with the help ofA. Boat - like structure formed by two perianth lobesB. Boat - like structure formed by three perianth lobesC. Boat formed by monotepalous perianthD. Two tepals forming boat - shaped float while the third smaller one functions as a rudder. |
| Answer» Correct Answer - D | |
| 17. |
Colour of night blooming flowers is usuallyA. Violet to purpleB. RedC. YellowD. Whitish. |
| Answer» Correct Answer - D | |
| 18. |
Rose flower does not contain nectar. It provides the visiting insect withA. Mineral rich waterB. shelterC. Edible pollenD. Edible petals. |
| Answer» Correct Answer - C | |
| 19. |
Night blooming flowers attract pollinating insects with the help ofA. AromaB. NectarC. Edible pollenD. All the above. |
| Answer» Correct Answer - A | |
| 20. |
When the ovule is curved and embryo sac becomes horse shoe shaped, such an ovule is calledA. CampylotropousB. AmphitropousC. OrthotropousD. Anatropous. |
| Answer» Correct Answer - B | |
| 21. |
Pollination characteristically occurs inA. Bryophytes and angiospermsB. Pteridophytes and angiospermsC. Angiosperms and gymnospermsD. Angiosperms and fungi. |
| Answer» Correct Answer - C | |
| 22. |
Lever or turn - pipe mechanism of pollination occurs inA. SolviaB. AntirrhinumC. PhloxD. Gloriosa. |
| Answer» Correct Answer - A | |
| 23. |
Pollination by water occurs inA. CeratophyllumB. ZosteraC. LemnaD. All the above. |
| Answer» Correct Answer - D | |
| 24. |
Pollination carried out through water isA. AnemochoryB. HydrophilyC. HydrochoryD. Anemophily. |
| Answer» Correct Answer - B | |
| 25. |
Mimicry like condition is helpful in the pollination ofA. BlastophagaB. OphrysC. YuccaD. Magnolia. |
| Answer» Correct Answer - B | |
| 26. |
Pollen of anemophilous plants areA. Large and heavyB. Small and stickyC. Small, dry and unwettableD. Large, light and hygroscopic. |
| Answer» Correct Answer - C | |
| 27. |
A tree like Willow or Mulberry has hanging male catkins, Pollination can be throughA. GeitonogamyB. EntomophilyC. ZoophilyD. Anemophily. |
| Answer» Correct Answer - D | |
| 28. |
Wheat root cells have 42 chromosomes. The number of chromosomes in a cell of pollen grain isA. 14B. 21C. 28D. 42 |
| Answer» Correct Answer - B | |
| 29. |
Fibrous thickenings of hygroscopic nature are found in which part of anther walls?A. epidermisB. TapetumC. Middle layerD. Endothecium. |
| Answer» Correct Answer - D | |
| 30. |
Dicliny is found inA. CalotropisB. CucurbitaC. CrotalariaD. Pisum. |
| Answer» Correct Answer - B | |
| 31. |
Raphe isA. Ridge formed by union of funicle with body of ovuleB. Distance between chalaza and micropyleC. Distance between hilum and micropyleD. Area between hilum and chalaza. |
| Answer» Correct Answer - A | |
| 32. |
if root of a flowering plant has 24 chromosome ,then its gamete has many chromosomes ?A. 4B. 8C. 12D. 24 |
| Answer» Correct Answer - C | |
| 33. |
Raphe isA. Ridge formed by fused funiculusB. Funicle attached to ovuleC. Part of nucellusD. Part of flower. |
| Answer» Correct Answer - A | |
| 34. |
What statement is true about microspore of angiospermsA. Resultant of mitotic divisionB. First cell of gamophytic generationC. Resultant of double fertilization.D. First cell of endosperm. |
| Answer» Correct Answer - B | |
| 35. |
Synergids of the polygonum type embryo sac areA. HexaploidB. HaploidC. DiploidD. Triploid. |
| Answer» Correct Answer - B | |
| 36. |
Function of synergids is toA. Attract pollen tube and bear its shockB. Fuse with extra male gametes and form endospermC. Produce additional embryoD. Protect egg from pathogens. |
| Answer» Correct Answer - A | |
| 37. |
if the number of chromosomes in root cells is 14, what will be the number of chromosomes in synergids cells of an ovule of that parentA. 28B. 21C. 14D. 7 |
| Answer» Correct Answer - D | |
| 38. |
if the number of chromosomes in root cells is 14, what will be the number of chromosomes in synergids cells of an ovule of that parentA. 14B. 21C. 7D. 28 |
| Answer» Correct Answer - C | |
| 39. |
Adventive polyembryony is an example ofA. Vegatative propagationB. AmphimixisC. AgamospermyD. Parthenogamy. |
| Answer» Correct Answer - C | |
| 40. |
A seed is formed fromA. OvuleB. EmbryoC. Embryo sacD. Ovary. |
| Answer» Correct Answer - A | |
| 41. |
Identify the correct statementA. Tetrasporic embryo sac occurs in PepromiaB. Stamens are epipetalous in GrevilleaC. Cross pollination is Kigellia pinnata takes place by snailsD. In Scrophularia androecium matures earlier than gynoecium. |
| Answer» Correct Answer - A | |
| 42. |
What are chromosome number in thhe following respectively (i) Synergid of Gossypium (ii) Leaf cells in Allium (iii) Endosperm of SaccharumA. 48, 16, 36B. 52, 26, 32C. 26, 16, 120D. 48, 96, 24. |
| Answer» Correct Answer - C | |
| 43. |
Embryo development from synergid or antipodal cell is known asA. ApogamyB. ApomixisC. AmphimixisD. Apospory. |
| Answer» Correct Answer - A | |
| 44. |
Johnson (1829) discoveredA. HydrotropismB. PhototropismC. GeotropismD. Photonasty. |
| Answer» Correct Answer - A | |
| 45. |
Protein is stored in part of pulsesA. EndospermB. CotyledonsC. PericarpD. Seed coat. |
| Answer» Correct Answer - B | |
| 46. |
Adventitive polyembryony/from nucellar cells occurs inA. PoaB. BrassicaC. AlliumD. Citrus. |
| Answer» Correct Answer - D | |
| 47. |
A fungus which secretes abscisic acid isA. AspergillusB. GibberellaC. CercosporeD. Alternaria. |
| Answer» Correct Answer - C | |
| 48. |
Polyembryony commonly occurs inA. CarthamusB. CitrusC. CorchorusD. Maize. |
| Answer» Correct Answer - B | |
| 49. |
the aleurone synthesizes and secretes digestive enzymes that hydrolyse nutrients stored in the endosperm in the presence ofA. AuxinB. GibberellinC. CytokininD. Ethylene. |
| Answer» Correct Answer - B | |
| 50. |
Ubisch bodies are produced byA. Middle layerB. Tapetum cellsC. Pollen mother cellsD. Endothecium. |
| Answer» Correct Answer - B | |