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.
| 51. |
Which is/are included in the phanergams ?A. PteridophytesB. GymnospermsC. AngiospermsD. Both B and C |
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Answer» Correct Answer - D Gymnosperms and angiosperms included in the phanerogames (seed bearing plants) |
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| 52. |
Classification for flowering plants was given byA. R.H WhittakerB. Aristotle and G.J MendelC. George Bentham and J.D HookerD. Aristotle and George Bentham |
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Answer» Correct Answer - C Classification (Natural system) for flowering plants was given by George Bentham and J.D. Hooker. |
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| 53. |
Assertion. Vascular plants dominate land. Reason. They have wide-spreading roots, water-proofing material like cutin, stomata for gaseous exchange. Mechanical tissue to provide support and vascular tissue for long distance transport system.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 Assertion.C. If Assertion is true but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - A | |
| 54. |
Siphonogamous fertilization takes place inA. BryophytesB. SelaginellaC. FermD. Pinus |
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Answer» Correct Answer - d Siphonogamous fertilization: The fertilization in which a long pollen tube carry two male sperms near to egg cell is called as siphonogamous fertlization This is only found in gymnosperms and angiosperms. |
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| 55. |
Pycnoxylic and manoxylic wood is present inA. PinusB. CycasC. GinkgoD. Gnetum |
| Answer» Correct Answer - B | |
| 56. |
Natural system of classification was proposed byA. Engler and PrantlB. Bentham and HookerC. Carolus LinnaeusD. Julian Huxley |
| Answer» Correct Answer - B | |
| 57. |
Diploxylic or polysylic vascular bundles are found inA. PinusB. DryopterisC. CycasD. Funaria |
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Answer» Correct Answer - c diploxylic vascular bundles: In cycas leaflet, in central V.B. two xylem and one phloem is found. |
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| 58. |
The system of classification of plants proposed by these two botnists is claimed to be a natural system.A. Bentham and HookerB. Aristotle and TheophrastusC. John Hutchinson and TakhtajanD. Engler and Prantl |
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Answer» Correct Answer - A The system of classification of plants proposed by Bentham and Hooker is claimed to be a natural system. |
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| 59. |
Assertion. Most of the physiological experiments have been performed using unicellular green aglae. Reason. Agal cells are complete organisms capable of photosynthesis and other processes similar to higher plants.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 Assertion.C. If Assertion is true but the Reason is false.D. If both Assertion and Reason are false. |
| Answer» Correct Answer - A | |
| 60. |
In gymnosperms, the ovule is naked becauseA. ovary wall is absentB. integuments are absentC. perianth is absentD. nucellus is absent |
| Answer» Correct Answer - A | |
| 61. |
The embryo sac of an angiosperms is made up ofA. 8 cellsB. 7 cells and 8 nucleiC. 8 nucleiD. 7 cells and 7 nuclei |
| Answer» Correct Answer - B | |
| 62. |
Assertion: In angiosperms, each cell of the embryo sac is haploid. Reason: In angiosperms, embryo sac formation is preceded by meiosis.A. If both assertion and reason are true and reason is the correct explanation of assertion.B. if both assertion and reason are true but reason is not the correct explanation of assertionC. if assertion is true but reason is false.D. if both assertion and reason are false. |
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Answer» Correct Answer - A In angiosperms pistil consists of an ovary elclosing one to many ovules. Within ovules are present highly reduced female gemetophytes termed embryo sacs. The embryo-sac formation is preceded by meiosis. Hence, each of the cells of an embryo-sac is haploid. |
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| 63. |
Which part of ovule is haploid in angiosperms ? |
| Answer» Correct Answer - Embryo sac. | |
| 64. |
Which part of ovule is haploid in gymnosperms ? |
| Answer» Correct Answer - Endosperm. | |
| 65. |
Name the plant which produces largest sperms in the plant-kingdom. |
| Answer» Correct Answer - Cycas. | |
| 66. |
Rhizophore in Selaginella isA. A modified leafB. A rootC. A shootD. Organ sui genesis |
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Answer» Correct Answer - d Wiiliams, Goebel and Bower regard it as an intermediate structure between root and shoot hence an "Organ sul-genesis". |
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| 67. |
Group of algae in which sexual reproduction is absentA. CyanophyceaeB. BacillariophyceaeC. ChlorophyeaeD. None of these |
| Answer» Correct Answer - a | |
| 68. |
Sexual reproduction in algae results in the formation ofA. OosporeB. ZoosporeC. ZygoteqD. Zygospore |
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Answer» Correct Answer - d Fusion of gametes results in the formation of zygote, which by secreting a thick wall acts as perennating spore (zygopore) and helps in perennation, dispersal and multiplication. |
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| 69. |
Which one of the following is correct statementA. Antheridiophores and archegoniophores are present in pteridophytesB. Origin of seed habit can be traced in pteridophytesC. Pteridophyte gametophyte has a protonemal and leafy stageD. In gymnosperms , female gametophyte is freeliving |
| Answer» Correct Answer - B | |
| 70. |
Match the column I and II, and choose the correct combination from the options given `{:(,underset(("Class"))("Column-I"),,underset(("Major pigments"))("Column-II")),("(a)","Chlorophyceae","(i)","Chlorophyll a,c, fucoxanthin"),("(b)","Phacephyceae","(ii)","Chlorophyll a,d, phycoerythrin"),("(c)","Rhodophyceae","(iii)","Chlorophyll a,b"):}`A. a-iii,b-i,c-iiB. a-iii,b-ii,c-iC. a-ii,b-i,c-iiiD. a-i,b-iii,c-ii |
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Answer» Correct Answer - A `{:("Chlorophyceae","Chlorophyll a,b"),("Phaeophyceae","Chlorophyll a,c, fucoxanthin"),("Rhodophyceae","Chlorophyll a,d, phycoerythrin"):}` |
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| 71. |
Type(s) of the sexual reproduction found in red algae is/areA. IsogamousB. AnisogamousC. OogamousD. All of the above |
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Answer» Correct Answer - C Type of the sexual reproduction found in red algae is only oogamous. |
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| 72. |
Cycas and Adiantum resemble each other in havingA. SeedsB. Motile-SpermsC. CambiumD. Vessels |
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Answer» Correct Answer - b Motile sperms are found in both Cycas and Adiantum, seeds, cambium are quite common in gymosperms absent in pteridophytes. |
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| 73. |
Cycas and Adiantum resemble each other in havingA. CambiumB. VesselsC. Motile spermsD. Seeds |
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Answer» Correct Answer - C Cycas (gymnosperm) and Adiantum (pteridophyte) resemble each other in having motile sperms. |
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| 74. |
Cycas resembles angiosperms in havingA. Circinate vemation in leavesB. VesselsC. Motile spermsD. Ovules |
| Answer» Correct Answer - d | |
| 75. |
Cycas is living fossil as it hasA. Cilliated spermsB. Structure like that of Tree FermC. Restricted occurrence in certain areasD. Been found in fossil state also |
| Answer» Correct Answer - c | |
| 76. |
Which one of the following is a living fossilA. CycasB. MossC. SaccharomycesD. Spirogyra |
| Answer» Correct Answer - A | |
| 77. |
Match items in Column - I with those in Column - II `{:(,"Column -I",,"Column -II"),(a.,"Peritrichous flagellation",(i),"Ginkgo"),(b.,"Living fossil",(ii),"Macrocystes"),(c.,"Rhizophore",(iii),"Esherichia coil"),(d.,"Smallest flowering plant",(iv),"Selaginella"),(e.,"Largest pernnial alga",(v),"Wolffia"):}` Select the correct answer from the following :A. a (ii) , b (i) , c (ii) , d (iv) , e (v)B. a (v) , b (iii) , c (ii) , d (v) , e (i)C. a (i) , b (iii) , c (v) , d (iii) , e (ii)D. a (iii) , b (i) , c (iv) , d (v) , e (ii) |
| Answer» Correct Answer - D | |
| 78. |
Which of the following are not seed producers (spemtatophytes) ?A. ficus and pinusB. Salvia and salviniaC. Funaria and FermD. Pyrus and Riccia |
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Answer» Correct Answer - C Funaria (bryophyte) and fern (pteridophyte) are not seed producers. |
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| 79. |
Which one of the following is a living fossil?A. CycasB. MossC. SaccharomycesD. Spirogyra |
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Answer» Correct Answer - A (a) The Cycadales is an ancient order of gymnosperms exhibiting several primitive features - now having only a few living representative of once a large group pf plants that glorified during the Mesozoic era. Therefore, Cycas is called as living fossil. |
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| 80. |
Which one pair of examples will correctly represent the grouping spermatophyta according to one of the schemes of classifying plants?A. Rhizopus, TriticumB. Ginkgo, PisumC. Acacia, sugarcaneD. Pinus, Cycas |
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Answer» Correct Answer - B (b) Ginkgo is a gymnospermic plant so it comes before angiospermic plant, pisum (pea). Rhizopus is a fungus and Triticum (wheat) is an angiospermic plant. Option (c) has both angiospermic plants and option (d) has both gymnospermic plants. |
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| 81. |
Resin and turpentine are obtained fromA. TeakB. OakC. EucalyptusD. Pine |
| Answer» Correct Answer - D | |
| 82. |
Turpentine oil is extracted fromA. AngiospermsB. PinusC. OakD. Citrus plants |
| Answer» Correct Answer - B | |
| 83. |
A free living nitrogen fixing cyanobacterium which can also form symbiotic association with the water fern Azolla isA. TolypothrixB. ChlorellaC. NostocD. Anabaena |
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Answer» Correct Answer - D (d) Anabaena is a free living nitrogen fixing cyanobacterium which can form symbiotic association with water fern Azolla. |
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| 84. |
Which one the following pairs of plants are not seed producers?A. Ficus and ChlamydomonasB. Punica and PinusC. Fern and FunariaD. Funaria and Ficus |
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Answer» Correct Answer - C (c) Fern is a pteridophyte and Funaria is a bryophyte, both these produce spores but not seeds. Phanerogams is a group of plants which poduce seeds and flowers. It includes gymnospermic and angiospermic plants. While crytogams is another group of plants which do nott produce seeds and flowers, e.g. algae, fungi, bryophytes and pteridophytes. |
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| 85. |
Angiosperms have dominated the land flora primarily because of theirA. power of adaptability in diverse habitatB. property of producing large number of seedsC. nature of some pollinationD. domestication by man |
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Answer» Correct Answer - A (a) Angiosperms are well adapted to terrestrial life and occur in diverse habitats like cold tundra to hot tropical and even desert areas. They also thrive well in aquatic habitat. Hence, they being the most successful, to have dominated the land flora. |
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| 86. |
Angiosperms have dominated the land flora primarily by theirA. Property of producing large amount of seedsB. Nature of self pollinationC. Domestication by manD. Power of adaptability in diverse habitat |
| Answer» Correct Answer - D | |
| 87. |
Angiosperms have dominated the land flora primarily by theirA. Power of adaptability in diverse habitatB. Property of producing large number of seedsC. Nature of self pollinationD. Domestication by man |
| Answer» Correct Answer - A | |
| 88. |
The largest ovule is present inA. CycasB. PinusC. WolffiaD. Rafflesia |
| Answer» Correct Answer - A | |
| 89. |
Protonema isA. Haploid and is found in mossesB. Diploid and is found in liverwortsC. Diploid and is found in pteridopytesD. Haploid and is found in pteridophytes |
| Answer» Correct Answer - a | |
| 90. |
Earth is dominated by angiosperms because of theirA. Large number of seedsB. Domestication by humansC. EntomophilyD. Adaptation to various habitats |
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Answer» Correct Answer - D Earth is dominated by angiosperms because of their adaptation of various habitats. |
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| 91. |
The giant Redwood tree (Sequola sempervirens) is a/anA. AngiospermB. Free fermC. PteridophyteD. Gymnosperm |
| Answer» Correct Answer - d | |
| 92. |
Plant group with largest ovule , largest tree , and largest gametes isA. GymnospermB. AngiospermC. BryophytaD. Pteridophyta |
| Answer» Correct Answer - A | |
| 93. |
The leaves of fern plants are calledA. macrophyllsB. microphyllsC. sporophyllsD. megasporophylls |
| Answer» Correct Answer - A | |
| 94. |
Mark the national treeA. Mangifera indica (Mango tree)B. Ficus benghalensis (banyan tree)C. Ficus religiosa (pipal tree)D. Azadirachta indica (Neem tree) |
| Answer» Correct Answer - B | |
| 95. |
Branched rhizoids and leafy gametophytes are the characteristic ofA. LiverwortsB. MossesC. FernsD. Conifers |
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Answer» Correct Answer - B Branched rhizoids and leafy gametophytes are the characterstic of mosses. |
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| 96. |
Liverworts reproduce asexually byA. GemmaeB. FragmentationC. MitosporesD. Both (1) & (2) |
| Answer» Correct Answer - D | |
| 97. |
Which one of the following has haplontic life cycleA. PolytrichumB. UstilagoC. WheatD. Funaria |
| Answer» Correct Answer - B | |
| 98. |
Fem sperms (antherozoids) areA. MultiflagellatedB. PentaflagellatedC. BiflagellatedD. Non-flagellated |
| Answer» Correct Answer - A | |
| 99. |
The tallest gymnospermic plant isA. PinusB. SequoiaC. CycasD. Cedrus |
| Answer» Correct Answer - B | |
| 100. |
_______ is used by gardeners to keep cut plants moist during transportation and propagationA. MarchantiaB. SphagnumC. EquisetumD. Funaria |
| Answer» Correct Answer - B | |