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Question : One of the first acts in taxonomy is
A. Identification
B. Description
C. Naming
D. Classification
Question : Nicotiana sylvestris flowers only during long days while N.tabacum flowers only during short days. Under different photoperiods, they can be induced to flower at the same time and can be cross-fertilized to produce self-fertile offsprings. What is the best reason for considering Nicotiana sylvestris and N.tabacum as separate species?
A. They are reproductively distinct
B. They fail to interbreed in nature
C. They are physiologically different
D. They are distinct morphologically
Question : A true species comprises of a population
A. Interbreeding
B. Sharing the same niche
C. Reproductively isolated
D. Feeding over the same food
Question : Which one of these categories has real existence?
A. Species
B. Genus
C. Kingdom
D. Phylum
Question : Taxonomic hierarchy refer to
A. Classification of species based on the fossil record
B. A list of botanists or zoologists who have worked on the taxonomy of a species or group
C. a group of senior taxonomists who decide the nomenclature of animals and plants
D. Stepwise arrangement of all categories for classification of animals and plants
Question : The correct sequence of taxonomic categories is:
A. Species -> genus -> order -> phylum
B. Species -> order -> genus-> kingdom
C. Genus -> species -> order -> kingdom
D. None of these
Question : Regulation of cells’ activity takes place through
A. Flow of substances
B. Flow of energy
C. Flow of hormones
D. Flow of smoke
Question : For wheat, which of the following combinations is correct?
A. Genus Triticum, family Poaceae, order Poales, Class Monocotyledonae
B. Genus Triticum, family Poaceae, order Poales, Class Dicotyledonae
C. Genus Triticum, family Poaceae, order Sapindales, Class Monocotyledonae
D. Genus Triticum, family Anacardiaceae, order Poales, Class Monocotyledonae
Question : Compared to genus, which of the following is less general in characters?
A. Family
B. Species
C. Division
D. Class