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. |
Cells in which end walls are absent areaA. ParenchymaB. SclerencymaC. VesselsD. Sieve tubes |
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Answer» Correct Answer - C Cells in which end walls are absent are vessels |
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| 2. |
Which one of the following is wrongly matchedA. Cassia-lmbricate aestivationB. Root pressure- GuttationC. Puccinia-SmutD. Root - Exarch protoxylem |
| Answer» Correct Answer - C | |
| 3. |
Which of the following is wrongly matched ?A. Cassia-lmbricate aestivationB. Root pressure-GuttationC. Puccinia-SmutD. Root-Exarch protoxylem |
| Answer» Correct Answer - C | |
| 4. |
The long plants are capabel of standing arect due to presence ofA. SclerenchymaB. CollenchymaC. ParenchymaD. Prosenchyma |
| Answer» Correct Answer - A | |
| 5. |
In land plants the guard cells differ from other epidermal cells in havingA. ChloroplastsB. CytoskeletonC. MitochondriaD. Endoplasmic reticulum |
| Answer» Correct Answer - A | |
| 6. |
Lenticels differ from stomata in beingA. ligving & greenB. living, & capable of changing its shapeC. dead, incapable of changing its shape and sizeD. dead, capable of changing its shape and size |
| Answer» Correct Answer - C | |
| 7. |
The long plants are capabel of standing arect due to presence ofA. SclernchymaB. CollenchymaC. Parenchyma and endodermisD. Proscenchyma |
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Answer» Correct Answer - A Longs plants are table to stand erect due to presence of sclerenchyma. |
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| 8. |
A cut trunk shows 26 concentric rings of spring wood and autum wood in alternate rows. The age of trunk would beA. 13 yearB. 26 yearsC. 52 yearsD. 104 years |
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Answer» Correct Answer - A A cut trunk shows 26 concentirc rings of springs wood and autumn wood in alternate rows. The age of tunk would be 13 year( 1 year = 1 spring + 1 autumn ring ) |
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| 9. |
A cut trunk shows 26 concentric rings of spring wood and autum wood in alternate rows. The age of trunk would beA. 13 yearsB. 26 yearsC. 52 yearsD. 104 years |
| Answer» Correct Answer - A | |
| 10. |
Plyarch vascular bundles generally occur inA. monocot stemB. dicot stemC. dicot rootD. monocot root. |
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Answer» Correct Answer - D vascular bundles in monocot roots are radial polyarch and exarch large number (more than 6) of xylem and phloem group,s alternate with each other. A well developed pith is present in monocot root. |
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| 11. |
The plant tissues commonly found in fruit walls of nuts and pulp of some fruits like guava are termed as Or pear fruits are gritty due to the presence of Or Tissue composed of nin-parenchymatous cells and have isodiametric or irrengular shape is calledA. Tracheids are unicellular with wide lumenB. FibresC. VesselsD. Sclerids |
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Answer» Correct Answer - D Pear fruits are grity due to occureence of scelereids. |
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| 12. |
The plant tissues commonly found in fruit walls of nuts and pulp of some fruits like guava are termed as Or pear fruits are gritty due to the presence of Or Tissue composed of nin-parenchymatous cells and have isodiametric or irrengular shape is calledA. FibresB. TracheidsC. SclereidsD. Vessels |
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Answer» Correct Answer - C Sclereids is composed of sclerenchymatous cells, lignified walls and long tubular pits. The sclereids may be spherical, oval, cylindrical, T-shaped, dumbell-shaped or even stellate is size. |
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| 13. |
The plant tissues commonly found in fruit walls of nuts and pulp of some fruits like guava are termed as Or pear fruits are gritty due to the presence of Or Tissue composed of nin-parenchymatous cells and have isodiametric or irrengular shape is calledA. FibersB. SclereidsC. TracheidsD. Vessel |
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Answer» Correct Answer - B Tissue cells commonly found in frouit wall of nuts and pulps of some fruits like guava are called sclerids. |
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| 14. |
How many histogens are present at the apex of rootA. 1B. 2C. 3D. 4 |
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Answer» Correct Answer - C According to histogen theory, apex of root is made up of dermatogen, periblem and pleurmose. |
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| 15. |
Assertion: Septa less tracheids are absent in Trochodendron. Reason: Heteroxylous wood is present in Trochodendron.A. If both Assertin and Reason are true and the Reason is the correct explanatin of the Assertion.B. If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.C. If Assertion is true, Reason is false.D. If both Assertion and Reason are true. |
| Answer» Correct Answer - C | |
| 16. |
Assertion: Sclereids are found in fuit walls of nuts, pulp of fruits like guave, pear and sapota andseed coats of legumes. Reason: Sclereids are spherical, oval or cylinderical, highly thickeneddeadcells with narrow lumen.A. If both assertion and reason are true and reason is the correct explanantion of assertionB. if both assertion and reason are true but reason is not the correct explanation of assertion.C. if assertion is true but reason is false.D. if both assertion and reason are false. |
| Answer» Correct Answer - B | |
| 17. |
Assertion: According to hanstein, there are three histogens in a monocot root. Reason: In monocot roots, the outermost groups of initials form both root cap and dermatogen.A. If both Assertin and Reason are true and the Reason is the correct explanatin of the Assertion.B. If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.C. If Assertion is true, Reason is false.D. If both Assertion and Reason are true. |
| Answer» Correct Answer - D | |
| 18. |
In dicot root showing secondary growth, cork is foundA. External to primary cotexB. Inner to epidermis and outr to pericycleC. Outer to endodermis and inner to primary cortexD. Inner to endodermis and external to primary phloem |
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Answer» Correct Answer - B In dicot root lshowning secondary growth, cork is found inner to endodermis and outer to pericycle. |
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| 19. |
Assertion: The stem in harbaceous plants do not develop cracks during severe wind and use to bond under these conditions. Reason: Sclerenchyma is peripheral in position and provides flixibility to herbaceous stem.A. If both Assertin and Reason are true and the Reason is the correct explanatin of the Assertion.B. If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.C. If Assertion is true, Reason is false.D. If both Assertion and Reason are true. |
| Answer» Correct Answer - C | |
| 20. |
Quiescent centre is the zone ofA. Least mitotic activity in the root apexB. Least mitotic activity in the shoot apexC. Maximum mitotic activity in the root apexD. Maximum mitotic activity in the shoot apex |
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Answer» Correct Answer - A A zone of inactive cells is present in the central part of the root apex called quiescent centre. |
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| 21. |
Assertion: The apical meristem is always protected. Reason: A root cap is present above the meristem in roots.A. If both Assertin and Reason are true and the Reason is the correct explanatin of the Assertion.B. If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.C. If Assertion is true, Reason is false.D. If both Assertion and Reason are true. |
| Answer» Correct Answer - B | |
| 22. |
Assertion . No sencondary groth takes place in monocots.Reason. Secondary growth is not related to cambium.A. If both assertion and reason are true and the reason is a corect explanation of the assertionB. If both assertion and reason are true but reason is not a correct explanation of the assertionC. If the assetion is true but reason is falseD. If both the assertion and reason are false |
| Answer» Correct Answer - C | |
| 23. |
Apical meristem of root is presentA. in all the rootsB. only in radicalsC. only in tap rootsD. only in adventitious roots |
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Answer» Correct Answer - a Apical meristems are primary meristems which are located in the growing points (roots and shoot apices) , as well as buds in the axils of leaves . The various organs increase in length due to the activity of apical meristem. |
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| 24. |
Assertion : Typloses plug the tracheids and vessels. Reason : Tylosers are in growth of xylem cells.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
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Answer» Correct Answer - C The tracheids and vessels of the heart wood get plugged by in growth of the adjacent parenchyma cells into their cavities through the pits. These in growths are called tyloses. Ultimately, the parenchyma cells become lignified and dead. |
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| 25. |
Assertion: Xylem vessel is a long cylinderical tube like-structure made up of many cells each with ingnified walls. Reason: Presence of vessels is characteristic feature of gymnospermsA. If both assertion and reason are true and reason is the correct explanantion of assertionB. if both assertion and reason are true but reason is not the correct explanation of assertion.C. if assertion is true but reason is false.D. if both assertion and reason are false. |
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Answer» Correct Answer - C Vessels are absent in gymnosperms and pteridophytes wioth the exceptions of a few (e.g., Selaginella species, Gnetum). The presence of vessels is a characteristic feature of angiosperms. |
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| 26. |
Conducting part of phloem according to Haberlandt (1914) isA. HadromeB. LeptomeC. SteromD. Bark |
| Answer» Correct Answer - B | |
| 27. |
Assertion: Both apical meristem and intercalary meristem areprimary meristems. Reason: Both of these meristems appear early in life of a plant and help in the formation of the primary plant body. |
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Answer» Correct Answer - A Both apical meristem and intecalary meristems are primary meristems, because they appear early in life of a plant and contribute to the formation of the primary plant body. |
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| 28. |
Assertio: Apical meristem of root is subterminal Reason: At the terminal end of root, root cap is presnetA. If both assertion and reason are true and the reason is a corect explanation of the assertionB. If both assertion and reason are true but reason is not a correct explanation of the assertionC. If the assetion is true but reason is falseD. If both the assertion and reason are false |
| Answer» Correct Answer - A | |
| 29. |
Select the option that correctly identifies the labellings A, B and C in the given figure showing section of root apical meristem. A. `{:(A,B,C),("Cortex","Protoderm","Root cap"):}`B. `{:(A,B,C),("Protoderm","Cortex","Root cap"):}`C. `{:(A,B,C),("Hypodermis","Epidermis","Cortex"):}`D. `{:(A,B,C),("Tunica","Protoderm","Root cap"):}` |
| Answer» Correct Answer - A | |
| 30. |
Apical meristem of root is presentA. Only in radicalsB. Only in tap rootsC. Only in adventitious rootsD. In all the roots |
| Answer» Correct Answer - D | |
| 31. |
An injured meristem root will be replaced byA. dermatogenB. CalyptrogenC. quiescent centreD. Promeristem |
| Answer» Correct Answer - C | |
| 32. |
The fibres associated with phloem are known asA. ParenchymatousB. Wood fibresC. Surface fibresD. Bast fibres |
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Answer» Correct Answer - D Fibres associated with phloedm are bast fibres or phloem fibres. |
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| 33. |
Go through the following statements (i) Phloem parenchya is absent in most of the monocot (ii) Phloem fibres store food material and other substance like resins, latex and mucilage (iii) Phloem fibre are generally absent in the primary phloem but are found in the secndary phloem (iv) Gymnosperms lack sieve tubes and albuminous cells. Which of these are correct ?A. (i), (ii) and (iii)B. (ii), (iii) and (iv)C. (i) and (iii)D. (i), (iii) and (iv) |
| Answer» Correct Answer - C | |
| 34. |
Assertion: Pheloemfibres or bast fibres are made up of collenchymatous cells. Reason: Phloem fibresare generally found in primary pholem.A. If both assertion and reason are true and reason is the correct explanantion of assertionB. if both assertion and reason are true but reason is not the correct explanation of assertion.C. if assertion is true but reason is false.D. if both assertion and reason are false. |
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Answer» Correct Answer - D Sclerenchyma fibes found in the phloem are called phloem or bast fibres. Phloem fibres are made up of sclerenchymatous cells. They are generally absent in primary phloem but are quite common in secondary phloem. |
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| 35. |
The cell wall of xylem cells is rich inA. LipidB. ProteinC. LigninD. Starch |
| Answer» Correct Answer - C | |
| 36. |
The meristem of root isA. ApicalB. Sub apicalC. IntercalaryD. Lateral |
| Answer» Correct Answer - B | |
| 37. |
The plant which reproduces by apical meristem isA. GymnospermsB. PteridophyteC. AngiospermD. Algae |
| Answer» Correct Answer - B | |
| 38. |
Interfascicular cambiuma is aA. primary meristematic tissueB. primordial meristermC. type of protodermD. secondary meristematic tissue |
| Answer» Correct Answer - D | |
| 39. |
The fibres associated with phloem are known asA. Wood fibreB. Surface fibreC. Bast fibreD. Hard fibre |
| Answer» Correct Answer - C | |
| 40. |
What is the function of lateral meristem?A. It gives rise to the lateral branchesB. It increases girth of the plant axisC. It increases girth as well as length of the plant axisD. It increases only length of the plant axis |
| Answer» Correct Answer - B | |
| 41. |
Which one of the following is not a lateral meristemA. Intercalary meristemB. Intrafascicular cambiumC. Interfascicular cambiumD. Phellogen |
| Answer» Correct Answer - A | |
| 42. |
Dead cells of root are supplied byA. CalyptrogenB. ProtodermC. PhallogenD. Dermatogen |
| Answer» Correct Answer - A | |
| 43. |
Which of the following is made up of dead cellsA. Xylem parenchymaB. CollenchymaC. PhellemD. Pholem |
| Answer» Correct Answer - C | |
| 44. |
Which one of the following pairs is an example for lateral meristemA. Phellogen and phellodermB. Phellogen and fascicular cambiumC. Procambium and phellodermD. Interfascicular cambium and phellem |
| Answer» Correct Answer - B | |
| 45. |
Which one of the following is dead, but work efficiently?A. Sieve tubeB. Companion cellsC. VesselsD. Both (b) and (c ) |
| Answer» Correct Answer - C | |
| 46. |
cork/bottle cork is formed fromA. XylemB. Vascular cambiumC. DermatogenD. Phellogen |
| Answer» Correct Answer - D | |
| 47. |
The cambium which produces cork is known as Or The common bottle cork is a porduct of Or The meristem that is parallel to the longitudinal axis of the plant isA. phellogenB. XylemC. Vascular CambiumD. dermatogen |
| Answer» Correct Answer - A | |
| 48. |
cork/bottle cork is formed fromA. pleromeB. phellogenC. phellodermD. periderm |
| Answer» Correct Answer - B | |
| 49. |
Among the following , secondary growth is seen in a-dicot root,b-dicot stem, c-monocot root, d-monocot stem,e-gymnosperm root, f-gymnosperm stemA. a,b,c and dB. c,d,e andfC. a,b,e and fD. All of the above |
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Answer» Correct Answer - C The secondary graowth seen in dicot root, dicot stem, gymnosperm root and gymnosperm stem. |
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| 50. |
cork/bottle cork is formed fromA. Cork cambium (phellogen)B. Vascualar cambiumC. Pheloem (bas)D. Xylem (wood) |
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Answer» Correct Answer - A Cork/bottle cork is formed form cork cambium (phellogen). |
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