Quiz_Angiosperm 1. ‘Snakes of Plant Kingdom’ is: Ferns Blue-green algae Pinus Mosses Explanation:Ferns are sometimes referred to as the “snakes of the plant kingdom” due to their creeping and spreading growth habit, resembling the movement of snakes. 2. Total number of families of angiosperms in Bentham and Hooker’s system classification is: 199 202 210 195 Explanation:Bentham and Hooker’s classification system recognizes 202 families of angiosperms, based on their extensive study and categorization of plant species. 3. Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature: The first word in a biological name represents the genus name and second is a specific epithet Biological names can be written in any language When written by hand, the names are to be underlined The names are written in latin and are italised Explanation:According to the rules of nomenclature, biological names must be in Latin or Latinized form and are italicized or underlined when handwritten. They cannot be written in any language. 4. Most of the biological names have been derived from: English Latin Sanskrit German Explanation:Most biological names are derived from Latin because it provides a universal and unchanging language for scientific nomenclature. 5. A group of genera which show general structural resemblances to one another mainly in their floral organs is referred to as: tribe order class family Explanation:A family is a group of related genera that share general structural similarities, particularly in their floral organs, and are classified together in the taxonomic hierarchy. 6. Siphonogamy is found in: Algae Bryophytes Spermatophytes Pteridophytes Explanation:Siphonogamy, the process of pollen tube formation for sperm delivery to the ovule, is found in spermatophytes (seed plants), including both gymnosperms and angiosperms. 7. Scientific name of Mango is Mangifera indica L. Here L represents: Botanist Linnaeus who gave the name That name is Latin Letter L) has nothing to do with the name of tree That name is not written properly Explanation:The “L” in the scientific name “Mangifera indica L.” refers to Carl Linnaeus, the botanist who first described and named the species. 8. Bentham and Hooker placed gymnosperms: After monocots Between dicots and monocots Before dicots but after the monocots Placed before the dicots Explanation:Bentham and Hooker placed gymnosperms between dicots and monocots in their classification system, reflecting their understanding of plant evolution and relationships at the time. 9. Who is known as ‘Father of Taxonomy’? Linnaeus Huxley None of these Theophrastus Explanation:Carl Linnaeus is known as the ‘Father of Taxonomy’ for developing the binomial nomenclature system and for his work in classifying and naming organisms systematically. 10. Ovules are not found enclosed in ovary of: Bryophyta Thallophyta Angiosperms Gymnosperms Explanation:In gymnosperms, ovules are exposed and not enclosed within an ovary, unlike angiosperms where ovules are enclosed within the ovary of the flower. 11. System of classification proposed by Bentham and Hooker is: Natural Artificial Phylogenetic Numerical Explanation:Bentham and Hooker’s classification system is considered natural because it is based on the overall similarities and differences in the morphological characteristics of plants, rather than on a single trait or numerical data. 12. In binomial system most of the words are: Latin Greek English Italian Explanation:The binomial nomenclature system uses Latin words because Latin was the scholarly language of the time and is a ‘dead’ language, meaning it does not change and thus provides consistency in naming. 13. Characters drawn from flowers are mainly used as basis for classification in seed plants because: Flowers are preserved easily Flowers show a great variety in colours Flowers can be studied easily Reproductive organs are more conservative than the vegetative parts Explanation:Reproductive organs, such as flowers, tend to be more stable and less variable than vegetative parts, making them reliable for classification purposes in seed plants. 14. Seeds are characteristically found in: Pteridophytes Bryophyta Spermatophytes Fungi Explanation:Spermatophytes, also known as seed plants, include both gymnosperms and angiosperms, which are characterized by the production of seeds. 15. Vascular cryptogams is the term used for: Pteridophytes Algae Angiosperms Gymnosperms Explanation:”Vascular cryptogams” refers to Pteridophytes, which are vascular plants that reproduce via spores rather than seeds, including ferns and their relatives. 16. Which are non-seed-bearing vascular plants? Pteridophyte Bryophyte Angiosperm Gymnosperm Explanation:Pteridophytes are non-seed-bearing vascular plants that reproduce via spores. Examples include ferns and horsetails. 17. Fruits are not found in: Dicots Angiosperms Cycas Monocots Explanation:Cycas, a genus of gymnosperms, does not produce fruits. Fruits are a characteristic feature of angiosperms, which include dicots and monocots. 18. In tracheophyta: Meiosis is always sporogenic Meiosis is always gametogenic Meiosis is terminal Meiosis depends upon type of life cycle Explanation:In tracheophytes (vascular plants), meiosis is always sporogenic, meaning it occurs during the formation of spores, which then develop into the gametophyte generation. 19. The smallest unit of classification is: Order Species Genus Family Explanation:The species is the smallest and most fundamental unit of biological classification, representing a group of individuals that can interbreed and produce fertile offspring. 20. Atracheata term has been used by O. Swiald Tippo for: Pteridophyta Bryophyta Angiosperms Gymnosperms Explanation:The term “Atracheata” was used by O. Swiald Tippo to refer to Bryophyta, which are non-vascular plants lacking specialized vascular tissues for water and nutrient transport. 21. In a diplontic life cycle: Haplophase is longest Diplophase is shortest Diplophase is represented by only zygospore Diplophase is longest Explanation:In a diplontic life cycle, the diploid phase (diplophase) is the dominant and longest phase, encompassing most of the organism’s life cycle. The haploid phase is limited to the gametes. 22. ‘Die naturlichen Pflanzen Familien’ which runs into 20 volumes was written by: Bentham and Hooker Engler and Prantl A.L. de Jussieu Armen Takhtajan Explanation:”Die naturlichen Pflanzen Familien” is a comprehensive 20-volume work authored by Adolf Engler and Karl Prantl, detailing the natural classification of plant families. 23. Generic name of mango is: Indica Mangifera indica Indica Mangifera Mangifera Explanation:The generic name of mango is “Mangifera.” In binomial nomenclature, the genus name is the first part of the scientific name, and for mango, it is “Mangifera,” while “indica” is the specific epithet. 24. “Families of flowering plants” Vol I (1926) and Vol II (1934) was written by: Engler and Prantl John Hutchinson Theophrastus Bentham and Hooker Explanation:John Hutchinson authored “Families of Flowering Plants,” a significant work published in two volumes in 1926 and 1934, which provided a detailed classification of flowering plants. 25. In the life of all plant groups, the first cell of gametophytic generation is: A meiospore A mitospore Female gamete Male gamete Explanation:The first cell of the gametophytic generation in all plant groups is a meiospore, produced by meiosis. This spore germinates to form the gametophyte. 26. In angiosperms double fertilization represents: Fusion between one sperm nucleus with egg and another sperm nucleus with secondary nucleus Fusion between two polar nuclei with One egg nucleus All of the above Fusion between two sperm nuclei with one egg Explanation:Double fertilization in angiosperms involves one sperm nucleus fusing with the egg cell to form a zygote, and the other sperm nucleus fusing with two polar nuclei to form the triploid endosperm. This unique process is essential for the development of both the embryo and the endosperm. 27. Extremely reduced gametophyte in plant kingdom is: Male gametophyte in Pinus Female gametophyte of gymnosperms Male gametophyte in angiosperms Embryo sac of angiosperms Explanation:The male gametophyte in angiosperms is extremely reduced, consisting of just a few cells within the pollen grain. This reduction is an adaptation for efficient fertilization. 28. The chromosomal number in: diploid haploid tetraploid triploid Explanation:The chromosomal number in most organisms is diploid, meaning they have two sets of chromosomes, one from each parent. This diploid state is typical for the somatic cells of higher plants and animals. 29. Which is a tautonym? Ficus elastica Malus malus None of the above Solanum tuberosum Explanation:A tautonym is a scientific name where the genus and species names are identical. “Malus malus” is an example of a tautonym, although tautonyms are generally not allowed in botanical nomenclature. 30. Ovary is absent in: Neem Cycas Mango Wheat Explanation:In Cycas, a gymnosperm, the ovary is absent. Gymnosperms have exposed ovules, unlike angiosperms where ovules are enclosed within an ovary. 31. Tautonyms are illegitimate in: Animals Plants None of these Both (a) and (b) Explanation:In botanical nomenclature, tautonyms are considered illegitimate and are not used. However, they are permissible in zoological nomenclature. 32. A plant bears fruit, has a column of vascular bundle and a tap root system. This plant is a: Angiosperm and dicot Gymnosperm Angiosperm and monocot Gymnosperm and dicot Explanation:A plant that bears fruit, has a column of vascular bundles, and a tap root system is an angiosperm and specifically a dicot, as these characteristics are typical of dicotyledonous plants. 33. A plant which reproduces by spores, has vascular tissue but lacks flowers should belong to: Pteridophyta Bryophyta Gymnosperms Thallophyta Explanation:A plant that reproduces by spores, has vascular tissue, and lacks flowers is classified under Pteridophyta, which includes ferns and their relatives. 34. Genera Plantarum which appeared in three volumes from 1862-1883 was written by: Bentham and Hooker Linnaeus Hutchinson Engler and Prantl Explanation:”Genera Plantarum” is a significant botanical work authored by George Bentham and Joseph Dalton Hooker. It was published in three volumes between 1862 and 1883 and is known for its comprehensive classification of plant genera. 35. Which of the following plants does not belong to Embryophyta? Dryopteris Funaria Ulothrix Cycas Explanation:Ulothrix is a genus of green algae and does not belong to Embryophyta, which includes land plants with an embryo stage in their life cycle, such as mosses, ferns, and seed plants. 36. Ex situ conservation of endangered wildlife flora and fauna is possible through: Wildlife sanctuaries National parks Biospheric reserves Germplasm banks Explanation:Ex situ conservation involves preserving endangered species outside their natural habitats, and germplasm banks are facilities that store genetic material, such as seeds or tissue samples, for future use in conservation and restoration efforts. 37. A group of plants with similar characteristics of any rank is termed: Species Taxon Order Genus Explanation:A taxon is a group of one or more populations of organisms classified together based on shared characteristics. It can refer to any rank in the biological classification system. 38. Sometimes different authors give different names to one and the same species. In such a situation: the latest name under which the species was described is valid the name under which the species was first described is the valid name all known names are discarded and a new is given to the species people are at liberty to use any one of the names for the species Explanation:According to the principle of priority in nomenclature, the valid name of a species is the one under which it was first described, ensuring consistency and stability in naming. 39. Linnaeus is credited with introducing: the principle of independent assortment the concept of inheritance of acquired characters the binomial system of nomenclature the law of limiting factor Explanation:Carl Linnaeus introduced the binomial system of nomenclature, which assigns each species a two-part scientific name consisting of the genus and species names. 40. Binomial system of nomenclature means that every organism has: One name given by two scientists Two names, one scientific and the other popular None of the above One scientific name consisting generic and a specific epithet Explanation:The binomial nomenclature system assigns each organism a two-part scientific name: the genus name and the specific epithet, providing a unique and universally accepted name for each species. 41. The role of meiosis is for: Bringing haplophase Formation of gametes Completing life cycle Bringing diplophase Explanation:Meiosis is a type of cell division that reduces the chromosome number by half, resulting in the formation of haploid gametes (sperm and egg cells). This process is essential for sexual reproduction and genetic diversity. 42. The orders generally have the uniform endings: ales aceae none of these eae Explanation:In botanical nomenclature, the names of orders typically end with the suffix “-ales,” indicating their rank in the taxonomic hierarchy. 43. Capsella bursa-pastoris exhibit a life cycle which is: Diplontic Haplontic Haplodiplontic Diplohaplontic Explanation:Capsella bursa-pastoris, a flowering plant, exhibits a diplontic life cycle where the diploid sporophyte is the dominant phase, and the haploid gametophyte is reduced to the gametes. 44. The order generally ends with: Aceae Ales None of these Eae Explanation:In botanical nomenclature, the names of orders typically end with the suffix “-ales,” indicating their rank in the taxonomic hierarchy. 45. Which of the following organism has characters of both animals and plants? Euglena Blue-green algae Cycas Moss Explanation:Euglena is a unique organism that exhibits characteristics of both animals and plants. It can photosynthesize like plants but also move and ingest food like animals. 46. Green plants are classified as: Heterotrophs Omnivores Autotrophs Herbivores Explanation:Green plants are autotrophs because they produce their own food through photosynthesis, using sunlight, carbon dioxide, and water. 47. The total number of families of Angiosperm in Hutchinson’s classification are: 411 202 252 431 Explanation:In Hutchinson’s classification system, the total number of families of angiosperms is 411, reflecting his detailed and comprehensive approach to classifying flowering plants. 48. Parthenium hysterophorus is a native of South America but it grows luxuriantly in most of the area of India. In India, it is considered as: Native species Introduced species Endemic species Exotic species Explanation:Parthenium hysterophorus is considered an exotic species in India because it is not native to the region. It was introduced from South America and has since spread widely, often becoming invasive. 49. System of classification presented by a Russian botanist A. Takhtajan is: Natural Artificial None of these Phylogenetic Explanation:A. Takhtajan’s classification system is phylogenetic, meaning it is based on the evolutionary relationships and common ancestry of plants. 50. Classification system proposed by Linnaeus was artificial because: it took into account similarities and differences in floral and other morphological characters it was based on evolutionary trends none of the above it was based on physiological characters only Explanation:Linnaeus’ classification system was considered artificial because it primarily relied on observable morphological characteristics, especially floral traits, rather than evolutionary relationships. This approach grouped plants based on superficial similarities rather than genetic or evolutionary connections. 51. John Hutchinson divided dicots into two divisions: Calyciflorae and Corelliflorae Lignosae and Herbaceae Polypetalae and Gamopetalae Sympetalae and Monochlamydae Explanation:John Hutchinson divided dicots into two divisions, Lignosae (woody plants) and Herbaceae (herbaceous plants), based on their growth forms and structural characteristics. 52. Embryophyta includes: Bryophyta and Pteridophyta Algae and Fungi Angiosperm only All the plants except thallophyta Explanation:Embryophyta includes all land plants that have an embryo stage in their life cycle, encompassing Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms, but excluding Thallophyta (algae and fungi). 53. Most primitive kind of flower is represented by: Magnolia Rosa Brassica Helianthus Explanation:Magnolia is considered one of the most primitive kinds of flowers because it retains several ancestral characteristics, such as large, showy flowers with numerous, spirally arranged floral parts. These features suggest an early divergence from the common ancestor of flowering plants. 54. Which of the following are included in Tracheophyta? Pteridophyta, Gymnosperms and Angiosperms Algae and Fungi Algae and Bryophytes Gymnosperms and Angiosperms Explanation:Tracheophyta includes vascular plants such as Pteridophyta (ferns), Gymnosperms (conifers), and Angiosperms (flowering plants). 55. The oldest book of botanical work which now exists was written by Theophrastus. Its name is: Genera Plantarum Species Plantarum Families des Plantes Historia Plantarum Explanation:”Historia Plantarum” is the oldest surviving botanical work, written by Theophrastus, who is often called the “Father of Botany.” 56. Spermatophyta are characterized by producing: Seeds Sperms Ciliated antherozoids Protonema Explanation:Spermatophyta, or seed plants, are characterized by their production of seeds, which are a key adaptation for reproduction and survival. 57. The species which are highly restricted in distribution are called: Endangered species Wildlife species Cosmopolitan species Endemic species Explanation:Endemic species are those that are highly restricted in their distribution, often found in a specific geographic area and nowhere else. This limited range makes them particularly vulnerable to environmental changes and habitat loss. 58. The label of a herbarium sheet does not carry information of: height of the plant local name name of collector date of collection Explanation:The label of a herbarium sheet typically includes information such as the local name, date of collection, and name of the collector, but it does not usually include the height of the plant. 59. Endemic plants are characterised by their: Wide tolerance range Narrow ecological amplitude Exotic nature Wide spread distribution Explanation:Endemic plants are characterized by their narrow ecological amplitude, meaning they thrive in specific environmental conditions and are often adapted to particular habitats. This specialization limits their distribution to certain areas. 60. Standard size of a herbarium sheet is: 11.5 x 16.5″ 10″ x 20″ 16.5″ x 18.5″ 12 ” x 15″ Explanation:The standard size of a herbarium sheet is 11.5 x 16.5″. This size is widely used for mounting and storing pressed plant specimens in herbarium collections. 61. NBG of Lucknow is now named as: CIMAP NBRI ITRC CDRI Explanation:The National Botanical Garden (NBG) in Lucknow is now named the National Botanical Research Institute (NBRI). It is a premier research institution focused on plant sciences and biodiversity. 62. India possesses wide biodiversity of flora and fauna. It is mainly due to its: Poor scientific development Diverse ecological conditions on hills and plains Advanced public awareness Extensive ecological survey Explanation:India’s wide biodiversity is primarily due to its diverse ecological conditions, including various climates, altitudes, and habitats found in its hills, plains, forests, and coastal areas. This diversity supports a rich variety of flora and fauna. 63. John Hutchinson, who was associated with Royal Botanical Garden, Kew, England, initially gave his system of classification in: Genera Plantarum British Flowering Plants Families of Angiosperms Families of Flowering Plants Vol. I (1926) and Vol. II (1934) Explanation:John Hutchinson’s system of classification was first presented in his two-volume work “Families of Flowering Plants,” published in 1926 and 1934. 64. All but one group are included in tracheophyta; which group is this? Pteridophyta Thallophyta Angiosperms Gymnosperms Explanation:Tracheophyta includes vascular plants such as Pteridophyta, Gymnosperms, and Angiosperms, but not Thallophyta, which are non-vascular and include algae and fungi. 65. Most primitive embryophytes are placed in: Bryophyta Trachaeophyta Cyanophyta Thallophyta Explanation:Bryophytes are considered the most primitive group of embryophytes, as they represent the earliest land plants with simple structures and life cycles. Loading …