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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.
| 1051. |
Mesophyll is differentiated in to palisade and spongy tissues inA. Extermely xerphytic leavesB. Hydrophtyivc leavesC. Moncot leavesD. Dicot leaves |
| Answer» Correct Answer - B | |
| 1052. |
sunken stomata occur inA. MesophytesB. XerophytesC. HygrophytesD. Hydrophytes |
| Answer» Correct Answer - D | |
| 1053. |
Which of the following have sunken stomataA. NeriumB. MangiferaC. HydrillaD. Zea mays |
| Answer» Correct Answer - A | |
| 1054. |
Which of the following have sunken stomataA. MangoB. GuavaC. HydrillaD. Nerium |
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Answer» Correct Answer - A::D Sunken stomato occur in Nerium. |
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| 1055. |
In which of the following plant sunken stomata are found : -A. NeriumB. HydrillaC. MangoD. Guava |
| Answer» Correct Answer - A | |
| 1056. |
Which grup possesses vessels in iths xylem ?A. PteridophytesB. AngiospermsC. GymnospermsD. Both 1 and 2 |
| Answer» Correct Answer - B | |
| 1057. |
The epidermal fibers of economic importance belong toA. CottonB. FlaxC. HempD. Coir |
| Answer» Correct Answer - A | |
| 1058. |
The only plant cells without nuclei among the following are Or The tissue which is living but does not posses nucleous in mature stage isA. CambiumB. Xylem vessels emementsC. Root hairsD. Companion cells |
| Answer» Correct Answer - B | |
| 1059. |
Centripetal xylem (exarch) arrangement occurs inA. rootsB. stemsC. Both (a) and (b)D. None of these |
| Answer» Correct Answer - A | |
| 1060. |
meristem present in a vascular bundle isA. Fascicular/Intrafascicular cambiumB. Interfascicular cambiumC. PhellogenD. Procambium |
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Answer» Correct Answer - A Meristem present in a vascualr bundle is fascicular/intrafascicular cambium. |
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| 1061. |
Assertion : Sapwood is less durable than the heartwood. Reason : Hollow tree trunks are due to the disappearance of sapwood.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 Various types of plant products like oils, resins, gums and tanins are deposited in the cells of the heartwood. They are antiseptic. The heartwood is, therefore, stronger and more durable than the sapwood . It is, however, liable to be attacked by wood rotting fungi. Hollow tree trunks are due to their activity. Sapwood (outer light coloured wood) is less durable because it is susceptible to attack by pathogens and insects. |
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| 1062. |
Assertion : Sapwood is less durable than the heartwood. Reason : Hollow tree trunks are due to the disappearance of sapwood.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 Various types of plant products like oils, resins, gums and tanins are deposited in the cells of the heartwood. They are antiseptic. The heartwood is, therefore, stronger and more durable than the sapwood . It is, however, liable to be attacked by wood rotting fungi. Hollow tree trunks are due to their activity. Sapwood (outer light coloured wood) is less durable because it is susceptible to attack by pathogens and insects. |
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| 1063. |
The feature which is common to both heartwood and sapwood isA. Both are the regions of secondary xylemB. Both are involved in the conduction of waterC. Both comprise dead elements with accumulation of aromatic compoundsD. Both are located in the central layers of the stem. |
| Answer» Correct Answer - A | |
| 1064. |
The root hairs are usuallyA. acellularB. unicellularC. bicellularD. multicellular |
| Answer» Correct Answer - B | |
| 1065. |
Root hairs are theA. Multicellular elongations of epidermal cellsB. Acellular elongations of epidermal cellsC. Unicellular elongations of epidermal cellsD. Multicellular elongations of endodermal cells. |
| Answer» Correct Answer - C | |
| 1066. |
The specialised epidermal cells present in the vicinity of guard cells are calledA. Bulliform cellsB. Companion cellsC. Subsidiary cellsD. Endodermal cells |
| Answer» Correct Answer - C | |
| 1067. |
Vessels and Companion cells are characteristics ofA. ThallophytesB. BryophytesC. PteridophytesD. Angiosperms |
| Answer» Correct Answer - D | |
| 1068. |
Which is wrong about sieve tube elements ?A. Peripheral cytoplasm and large vacuole.B. Perforated end wall becomes impregnated with lignin.C. P-proteins occurs evently distributed throughout lumen.D. Absence of nucleus at muturity. |
| Answer» Correct Answer - B | |
| 1069. |
________is a living mechanical tissue.A. B. C. D. both a and b |
| Answer» Correct Answer - B | |
| 1070. |
Xylem produced through centifugal differentiation isA. ExarchB. EndarchC. MeasarchD. Centrarch |
| Answer» Correct Answer - D | |
| 1071. |
Uniform ground tissue lacking any differentiation occurs inA. dicot stemB. monocot stemC. dicot rootD. monocot root |
| Answer» Correct Answer - B | |
| 1072. |
Angiosperm lacking vessels isA. MangiferaB. DilleniaC. MagnoliaD. Drimys |
| Answer» Correct Answer - D | |
| 1073. |
Which pair has lignin in both?A. Tracheid and collenchymaB. Sclerenchyma and sieve tubeC. Sclerenchyma and tracheidsD. Parenchyma and endodermis |
| Answer» Correct Answer - C | |
| 1074. |
Which of the following is a vessel-less angiosperm?A. TetracentronB. TrochodendronC. WinteraD. all of these |
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Answer» Correct Answer - D Vessels are present in almost all angiosperms, but there are 10 woody genera belonging to 5 families viz. Winteraceae (e.g., wintera), Tetracentraceae (e.g, tetracentron), trochodendraceae (e.g, Trochodendron amborelaaceae (Amborella) and chloranthaceae in which vessels are absent. |
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| 1075. |
Parenchymatous cells filling the space between dermal and vascular tissue isA. Groun tissuesB. Epidermal tissuesC. PithD. Vascular bundles |
| Answer» Correct Answer - A | |
| 1076. |
Which one of the following statements pertaining to plant structure is correctA. Crock lacks stomata but lentcels carry our transpitationB. Passage cells help in transfer of food from cortex to phloemC. Sieve tube elements possess cytoplasm but no nucleiD. The shoot apical meristem has a quiescent center. |
| Answer» Correct Answer - A | |
| 1077. |
Intercalary meristem results inA. Secondary growthB. Primary growthC. Apical growthD. Secondary thickening |
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Answer» Correct Answer - B This is present away from apical meristem in primary permanent tissue. Some workers consider it as a part of apical meristem which is separated from it by means of primary permanent tissue. |
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| 1078. |
During the formation of the primary plant body, specific regions o fthe … produce dermal tissues , ground tissues and vascular tissues. Find the appropriate missing wordA. Apical meristem Lateral meristemB. Intercalary meristemC. Secondary meristemD. Prismary meristem |
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Answer» Correct Answer - A During the formation of the primary plant body specifice regions of the apical meristem produce dermal tissue, ground tissue and vascular tissues. |
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| 1079. |
Identify the plant tissue in which lignin is absentA. CollenchymaB. Sclerenchyma fibersC. SclereidsD. Xylem tracheids |
| Answer» Correct Answer - A | |
| 1080. |
Simple mechanical tissue devoid of lignin isA. chlorenchymaB. parenchymaC. collenchymaD. sclerenchyma |
| Answer» Correct Answer - C | |
| 1081. |
Intercalary meristem results inA. Scendary growthB. Primary growthC. Apical growthD. Secondary overgrowth |
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Answer» Correct Answer - B Intercalary meristem is primary meristem hence propduces primary growth. |
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| 1082. |
Identify the plant tissue in which lignin is absentA. CollenchymaB. Sclerenchyma fibereC. ScleriedsD. Xylem tracheids |
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Answer» Correct Answer - A In collenchyma lignin is absent which rest have liginin |
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| 1083. |
Following divisions of cells in both primary and as wsell as secondary meristems the newly formed cells become structrually and funtionally specialised and lopse the ability to divide .such cells are termed asA. Meristematic cells and constitiute the apical meristemsB. Mature cells and constitute the alteral meristemC. Permanaents cells and constitute the cylindrical meristemsD. Mature cell and constitute the permanent tissues |
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Answer» Correct Answer - D Following divisions of cells in both primary and as wsell as secondary meristems the newly formed cells become stucturally and functionally specialised and lose lthe ability to divide. Such cells are termed as mature cells aor permanent cells and socstitue the permanent tissues. |
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| 1084. |
A common structural feature of vessel elements and sieve tube elements isA. Enucleate conditonB. Non living natureC. Thick secondary wallD. Pores on lateral walls |
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Answer» Correct Answer - A Common feature in vessel elements and sieve tube elements is enucleate condition( nucleus is absent). |
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| 1085. |
In monocot roots which types of vascular bundles are foundA. Collateral , conjoint and closedB. Radial V.B. with exarch xylemC. Bicollateral, conjoint and closedD. Radial V.B. with endarch xylem |
| Answer» Correct Answer - B | |
| 1086. |
Figures X and Y represent the transverse section of _____and ______respectivelyA. `{:(X,Y),("dicot dicot","dicot stem"):}`B. `{:(X,Y),("monocot root","monocot stem"):}`C. `{:(X,Y),("dicot stem","monocot stem"):}`D. `{:(X,Y),("monocot stem","monocot stem"):}` |
| Answer» Correct Answer - C | |
| 1087. |
Length of petiole increases by the acitivity ofA. apical meristemB. lateral meristemC. intercalary meristemD. All of the above |
| Answer» Correct Answer - C | |
| 1088. |
Read the following statement with 1-2 blanks in each one of them: (i). In monocot root, a large number of vascular bundles are arranged in the form of a ______around the central _______. Due to the presence of ______,the endodermal substances between cortex and pricycle, in primary dicot root. (iii). The epidermis of stem of sunflower bears several unbranched _____hair. (iv). The central portion of a dicot stem is usually occupied by_____comprising of thin-walled parenchymatous cells. Select the option that correctly fills the blanks in any two of themA. (i) ring, pith, (ii) hypodermisB. (ii) casparian strips, (iii) unicellularC. (i) ring, convex, (iv) vasuclar bundlesD. (iii) multicellular, (iv) pitch |
| Answer» Correct Answer - D | |
| 1089. |
The cells of corpus undergo divisions in various planes and result in the formation ofA. ground meristemB. procambiumC. Both (a) and (b)D. only cortex |
| Answer» Correct Answer - C | |
| 1090. |
Length of petiole increases by the acitivity ofA. Apical meristemB. Lateral meristemC. Intercalary meristemD. All the above |
| Answer» Correct Answer - C | |
| 1091. |
Read the following statements and select the correct option. Statement-1: Anatomically, all the tissues present on the inner side of endodermis such as pericycle, vascular bunbles and pitch constitute the stele. Statement-2: Eustele is the stele in which vasuclar bundles are arragned in the form of a ring as present in dicot stems.A. Both statement 1 and 2 are correctB. Statement 1 is correct but stetement 2 is incorrectC. Statement 1 is incorrect but statement 2 is correct.D. Both statement 1 and 2 are incorrect |
| Answer» Correct Answer - A | |
| 1092. |
endodermis takes part inA. Providing protectinB. Preventing water loss from steleC. maintaining rigidityD. All the above |
| Answer» Correct Answer - B | |
| 1093. |
Exarch and polyarch vascular bundles occur inA. Monocot stemB. Monocot rootC. Dicot stemD. Dicot root |
| Answer» Correct Answer - B | |
| 1094. |
According to Korper-Kappe theory Kappe zone is responsible for the formation ofA. root elcogation zoneB. root capC. rot hairsD. root maturation zone |
| Answer» Correct Answer - B | |
| 1095. |
Exarch and polyarch vascular bundles occur inA. Monocot stemB. Monocot rootC. Dicot stemD. Monocot stem |
| Answer» Correct Answer - B | |
| 1096. |
polyarch and exarch condition is found inA. Monocot stemB. Monocot rootC. Dicot stemD. Dicot root |
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Answer» Correct Answer - B Poplyarch and exarch condition is found is monocot root |
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| 1097. |
In dicot stem, the secondary growth takes place byA. Primary cambiumB. Secondary cambiumC. Development of cambium in stele regionD. Development of cambium in stele and in the cortical region |
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Answer» Correct Answer - D At the initial stage of secondary growth, cambium forms a ring like structure known as cambium ring. This ring is present in stelar and cortical region both. |
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| 1098. |
Conduction of sap in plants occurs throughA. HeartwoodB. SapwoodC. XylemD. All the above |
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Answer» Correct Answer - B Cells of sapwood a alive and because of abundant pore spaces, movement of sap takes place through these tissues. |
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| 1099. |
The tangential as well as radial walls of the endodermal cells have a deposition of water impermeablewaxy material suberin in the form ofA. Starch sheathB. Casparian stripsC. Conjuctive tissueD. Bundle sheath |
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Answer» Correct Answer - B The tangentials as well as radial walls of the endodermal cells have a deposition of twater imperebel waxy material suberin in the form of vasparian strips. |
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| 1100. |
In dicotyledonous stem, which of the following is the sequence of tissues from inside to outside?A. Pith, phloem, cambium, protoxylem, metaxylem, Pericycle, prenchyma, collenchyma, endodermis and epidermisB. Pith, cambium, phloem, protoxylem, metaxylem, pericycle, endodermis, parenchyma, colenchyma and epidermisC. Pith, phloem, protoxylem, metaxylem, cambium, pericycle, endodermis, parenchyma, collenchyma and epidermisD. Pith, protoxylem, metaxylem, cambium, phloem, pericycle, endodermis, parenchyma, collenchyma and epidermis |
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Answer» Correct Answer - D In dicot sem, central part is pith. Protoxylem is towards the centre, then come the metaxylem, cambium, phloem, pericycle, endodermis, parenchyma, collenchyma and then lastly epidermis. |
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