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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. |
In a flower cannot be divided into the centre, two similar halves by any vertical plane passing through the centre it is calledA. ActinomorphicB. ZygomorphicC. AsymmetricD. Both B and C |
Answer» Correct Answer - C If a flower cannot be divided into two similar halves by any vertical plane passing through the centre, it is called asymmetric or irregular. |
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52. |
Which one of the following statements is correctA. Flower of tulip is a modified shootB. In tomato, fruit is a capsuleC. Seeds of orchids have oil-rich endospermsD. Placentation in primose is basal |
Answer» Correct Answer - A Totato - Berry , Orchid seed - no endosperm formation, Primose - Free central placentation. |
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53. |
Accrescent sepals remain associated with the fruits, these are seen inA. guavaB. mustardC. piperD. tomato |
Answer» Correct Answer - D | |
54. |
Arrangement of sepals and petal in the bud condition is calledA. PtyxisB. PlacentationC. AestivationD. Phyllolaxy |
Answer» Correct Answer - C | |
55. |
In which plant stipules become leaf like for photosynthesis ?A. PeaB. ZizyphusC. RoseD. Smilax |
Answer» Correct Answer - A | |
56. |
Stamens with free anthers but filaments fushed into a number of groupsA. PolyadelphousB. DiadelphousC. MonadelphousD. Syngenesious |
Answer» Correct Answer - A Stamens with free anthers but filaments fused into a number of groups are polyadelphous as in citrus. |
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57. |
The comound leaves found in mimosa isA. bipinnateB. tripinnateC. trifoliateD. decompound |
Answer» Correct Answer - A | |
58. |
Study the following statements and select the correct option (A) Buds are present in the axil of leaflets of the compound leaf (B) Pulvinus leaf-base is present in some leguminous plants (C) In Alstonia,the petioles expand,become green and synthesize food (D) Opposite phyllotaxy is seen in guava.A. (B) and (D) are correct but (A) and (C) are wrongB. (A) and (C) are correct but (B) and (D) are wrongC. (A) and (D) are correct but (B) and (C) are wrongD. (B),(C) and (D) are correct but (A) is wrong |
Answer» Correct Answer - A | |
59. |
Assertion : Root pockets are similar in all terms to root caps Reason : Root caps and root pocket have the ability to regenerate.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 |
Answer» Correct Answer - D Root pockets are found in floating aquatic plants. They acts as balancers They are structurally similar to root caps but differ them in the fact that the damaged root pocket are not regenerated. |
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60. |
Assertion:Avicennie has pneumatophores. Reason:Pneumatophores help the plant to get oxygen for respiration.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 assertion.C. If assertion is true but reason is false.D. If assertion and reason are false. |
Answer» Correct Answer - A In some plants such as Avicennia growing in swampy areasm many roots come out of the ground and grow vertically upwards. Such roots, called pnematophores, help to get oxygen for respiration. These roots are also known as respiratoty roots. |
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61. |
Unbranched, erect, cylindrical stouta axis with distinct nodes and internodes and with joined appearance is called asA. runnerB. suckerC. culmD. caudex. |
Answer» Correct Answer - C Erect, unbranched stems with distinct noded and internodes are called culms, nodes are swollen giving a joined appearance, e.g., bamboo. |
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62. |
Assertion : Persistent sepals of physalis are called accrescent Reason : In Guava, the sepals are marcescent.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 |
Answer» Correct Answer - B Persistent sepals care called accrescent it they grow along with the fruit (i.e., physalis). They (persistent sepals) are marcescent when they assume a driep up form before being shed, i.e., Guava. |
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63. |
Identify the plant in which stipules occur in pairs at the bse of leafletsA. gardeniaB. phaseolusC. roseD. hibisucs |
Answer» Correct Answer - B | |
64. |
Ochreate stipules occur inA. LeguminosaeB. PolygonaceaeC. AcanthaceaeD. Malvaceae |
Answer» Correct Answer - B | |
65. |
Read the given statements and select the correct ones. (i) Root caps are present in prop roots. (ii) Pneumatophores helf to get oxygen for respiration. (iii) Edible part of ginger is underground stem. (iv) Hydrophytes usually possess a well developed root system.A. (i) and (ii) onlyB. (ii) and (iii) onlyC. (i),(ii) and (iii)D. (i),(ii),(iii) and (iv) |
Answer» Correct Answer - C Hydrophytes are plants adapted for growing in water. In hydrophytes roots are of secondary importance so they are poorly developed. |
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66. |
A simple leaf of present inA. PeepalB. MimosaC. NeemD. All of these |
Answer» Correct Answer - A The leaf having single undivided lamins is called the simple leaf e.g., Peepal. |
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67. |
In a cereal grain the single cotyledon of embryo is represented byA. ColeoptileB. ColeorhizaC. ScutellumD. Prophyll |
Answer» Correct Answer - C | |
68. |
Tendrillar stipules occur inA. Dolichos lablabB. AcaciaC. SmilaxD. Mango |
Answer» Correct Answer - C When stipules are thin and modified into wire like structure these are known as tendrillar. These help in climbing of plants. E.g., Smilax. |
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69. |
In a cereal grain the single cotyledon of embryo is represented byA. ProphyllB. ColeoptileC. ColeohizaD. Scutellum |
Answer» Correct Answer - D | |
70. |
Which of the following is not correctly pairedA. Fabaceae : Legume familyB. Solanaceae : Potato familyC. Liliaceae : Sunflower familyD. Brassicaceae : Mustard family |
Answer» Correct Answer - C | |
71. |
Which of the following is not correctly pairedA. Fabaceae-legume familyB. Solanaceae-Potato familyC. Liliaceae-Sunflower familyD. Brassicaceae-Mustard family |
Answer» Correct Answer - C | |
72. |
Find the incorrect statement.A. root hairs are univellular elongationB. root hairs absord water and mineralsC. trichomes are unicellular elongationsD. trichomes are multicellular elongations |
Answer» Correct Answer - C | |
73. |
Among flowers of Calotropis, tulip, Sesbania, Asparagus,Colchicine, Sweet, pea, petunia,Indigofera, Mustard, Soyabean, Tobacco and groundnut how many plants have corolla with valvate aestivation.A. FiveB. SixC. SevenD. Eight |
Answer» Correct Answer - C | |
74. |
The ovary is half inferior in flowers ofA. GuavaB. PlumC. BrinjalD. Cucumber |
Answer» Correct Answer - B | |
75. |
The ovary is half inferior in flowers ofA. GuavaB. PeachC. CucumberD. Cotton |
Answer» Correct Answer - B | |
76. |
Inferior ovary occurs inA. CruciferaeB. CompositaeC. MalvaceaeD. Ranunculaceae |
Answer» Correct Answer - B | |
77. |
The ovary is half inferior in flowers ofA. peachB. cucumberC. cottonD. guava |
Answer» Correct Answer - A | |
78. |
Flower with inferior ovary isA. Hypogynous flowerB. Perigynous flowerC. Dichogamous flowerD. Epigynous flower |
Answer» Correct Answer - D | |
79. |
Flower is perigynous and the ovary is said to be half inferior inA. RoseB. PeachC. PiumD. All of these |
Answer» Correct Answer - D | |
80. |
Transparent hairs on catkins and caterpillars function toA. Trap heatB. Trap moistureC. Reflect lightD. Drink water |
Answer» Correct Answer - B | |
81. |
Underground food is stored inA. Solanaceae and LeguminosaeB. Liliaceae and CruciferaeC. Cruciferae and SolanaceaeD. Solanaceae and Malvaceae |
Answer» Correct Answer - C | |
82. |
In albuminous seeds the seeeds the food is stored inA. cotyledonsB. endospermC. plumuleD. testa |
Answer» Correct Answer - A | |
83. |
The fleshy fruits with hard and stony endocarp are calledA. Hard endocarpB. Hard mesocarpC. Hard epicarpD. Hard epicarp and hard mesocarp |
Answer» Correct Answer - A | |
84. |
Food is stored in one of the followingA. Respiratory rootB. Fibrous rootsC. Fasciculated rootD. Nodulated root |
Answer» Correct Answer - C The roots when adventitious roots become swollen to store food. Fasiculated rots is a type of storage root. E.g., Dahlia, Ruellia, Asparagus etc. |
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85. |
Anemochory or wind dispersal of seeds is found in I Acer II Calotropis III Xanthium IV Medicago Choose the correct optionA. II nd IVB. I and IIIC. only II only IVD. |
Answer» Correct Answer - B | |
86. |
The fuits of Xanthium are dispersed by animals becauseA. These are having sticky substanceB. These are edibleC. These are provided with hooksD. These are light in weight |
Answer» Correct Answer - C The surface of many fruits is covered with hooks (e.g., Xanthium, Urena), spines (e.g., Tribulus) bunch of stiff hair or barbs (e.g., Aristida) by means of which they ashere to the body of animals or clothes of human beings and they are carried unwairly from one place to another. |
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87. |
Bright coloured fleshy fruits are dispersed by Or Seeds of Mulberry are dispersed byA. InsectB. AirC. WaterD. Bird |
Answer» Correct Answer - D | |
88. |
Bright coloured fleshy fruits are dispersed byA. AirB. InsectsC. WaterD. Birds |
Answer» Correct Answer - D | |
89. |
In which of the following plants dispersal of fruits takes place by parachute mechanismA. TerminaliaB. TagetesC. MoringaD. Acer |
Answer» Correct Answer - B The fruit of Asteraceae often possess pappus (presistent hairy calyx) which functions as a parachute for dispersal. |
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90. |
Name the mechanism of seed dispersal shown in the given figure A. censer mechanism of seed deispersal in papawer someniferumB. censer mechanism of seed desperal in antirhinumC. parachute mechanism of seed disperal in taraxacumD. parachute mechanism of seed disperal in narvallia |
Answer» Correct Answer - A | |
91. |
Endosperm, a product of double fertilisation in angiosperm is absent in the seeds ofA. coconutB. orchidsC. maizeD. castor |
Answer» Correct Answer - B | |
92. |
In Xanthium the fruits are dispersed byA. bird and batsB. birds and squirrrelsC. cow and goatsD. man and domestic horese |
Answer» Correct Answer - C | |
93. |
Which of the following is a self dispersal mechanism in plants ?A. autochoryB. exozzochoryC. endozoochoryD. anemochory |
Answer» Correct Answer - A | |
94. |
Parachute mechanism of fruit and seed dispersal is common in compositae is due to the structure called :-A. bractB. pappusC. comaD. barbs |
Answer» Correct Answer - B | |
95. |
Self dispersal mechanism is calledA. zoochoryB. explosive mechanismC. forced zoochoryD. hydrochory |
Answer» Correct Answer - B | |
96. |
Incision in the leaf does not reach the midrib inA. Simple leaf B. Bioinnately compound leafC. Tripinnately compound leafD. More than one option is correct. |
Answer» Correct Answer - A | |
97. |
Roots developed from parts of the plant other than radicle are calledA. tap rootsB. fibrous rootsC. adventitious rootsD. nodular roots |
Answer» Correct Answer - C Adventitious roots are those which develop from any part of the plant other than radicle. |
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98. |
Name the roots that arise from any other plant part except the radicle. |
Answer» Adventitious roots. | |
99. |
In majority of the dicotyledonous plant the direct elongation of the radicle leads to the formation ofA. primary root which gows inside the soilB. lateral roots that are referred toaa as secondary rootsC. root cap that covers the apex of rootD. root hair that absorb water and minerals form the soil |
Answer» Correct Answer - A | |
100. |
Which of the following plants is used to extract the blue dye ?A. TrifoliumB. LupinC. IndigoferaD. Cassia |
Answer» Correct Answer - C | |