15143.Two plants can be conclusively said to belong to the same species if they
Have more than 90 percent similar genes
Can reproduce freely with each other and form seeds
Have same number of chromosomes
Look similar and possess identical secondary metabolites
15144.In which kingdom would you classify the archaea and nitrogen-fixing organism, if the five-kingdom system of classification is used
Protista
Fungi
Plantae
Monera
15146.In five kingdom system, the main basis of classification is
Structure of cell wall
Nutrition
Structure of nucleus
Asexual reproduction
15147.Phenetic classification of organisms is based on
Sexual characteristics
Dendrogram based on DNA characteristics
The ancestral lineage of existing organisms
Observable characteristics of existing organisms
15148.The Phylogenetic system of classification was put forth by
Theophrastus
George Bentham and Joseph Dalton Hooker
Carolus Linnaeus
Adolf Engler and Karl Prantl
15149.Which series ends with the cohort umbellales in Bentham and Hooker s system of classification?
Heteromerae
Disciflorae
Thalamiflorae
Calyciflorae
15150.Classification of organisms based on evolutionary as well as genetic relationships is called
Numerical taxonomy
Phenetics
Biosystematics
Cladistics
15151.In the five-kingdom classification, Chlamydomonas and Chlorella have been included in
Plantae
Algae
Protista
Monera
15152.Which one of the following sets of items in the options (1) - (4) are correctly categorized with one exception in it?
| Options | Items | Category | Exception |
|---|---|---|---|
| (1) | UAA, UAG, UGA | Stop codons | UAG |
| (2) | Kangaroo, Koala, Wombat | Australian marsupials | Wombat |
| (3) | Plasmodium, Cuscuta, Trypanosoma | Protozoan parasites | Cuscuta |
| (4) | Typhoid, Pneumonia, Diphtheria | Bacterial diseases | Diphtheria |
Option (1)
Option (2)
Option (3)
Option (4)
15153.Practical purpose of taxonomy or classification
To know the evolutionary history
Explain the origin of organisms
Facilitate the identification of unknown species
Identification of medicinal plants
15154.Which one of the following is wrongly matched?
Puccinia – Smut
Root pressure – Guttation
Cassia – Imbricate aestivation
Root – Exarch protoxylem
15155.Which of the following combination of characters is true for slime molds?
Parasitic, plasmodium without walls, spores dispersed by water
Saprophytic, plasmodium without walls, spores dispersed by water
Parasitic, plasmodium with true walls, spores dispersed by air currents
Saprophytic, plasmodium without walls, spores dispersed by air currents
15156.Which one of the taxonomic aids can give comprehensive account of complete compiled information of any one genus or family at a particular time?
Taxonomic key
Flora
Herbarium
Monograph
15157.Arrange the following in the ascending order of Linnaean hierarchy
Kingdom – Phylum – Class – Order – Family – Genus – Species
Kingdom – Family – Genus – Species – Class – Phylum – Order
Kingdom – Order – Species – Genus – Class – Family – Phylum
Species – Genus – Family – Order – Class – Phylum – Kingdom
15158.A perennial shrub has compound leaves and solitary zygomorphic and epigynous flowers. Each flower reveals dichlamydeous condition with many stamens and multiple fruit with exalbuminous seeds. What is the ratio of advanced and primitive characters in it?
1: 2
2: 3
1: 1
3: 2
15159.Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?
Diplontic life cycle
Multiplication by fragmentation
Mode of Nutrition
Members of kingdom Plantae
15160.Taxonomic hierarchy refers to
A list of botanists or zoologists who have worked on taxonomy of a species or group
A group of senior taxonomists who decide the nomenclature of plants and animals
Step-wise arrangement of all categories for classification of plants and animals
Classification of a species based on fossil record
15161.Identify from the following, the only taxonomic category that has a real existence.
Phylum
Species
Genus
Kingdom
15162.In angiosperm, characters of flowers are used in classification because
Flowers are attractive
Flowers are large
Characters of flowers are conservative
None of the above