The Living World - MCQs

{ "question_no": 51, "exam": "NCERT", "question": "Biological names are usually printed in:", "options": [ "Bold letters", "Capital letters", "Italics", "Underline only" ], "answer": 3, "explanation": "Biological names are printed in italics to indicate their Latin origin." } { "question_no": 52, "exam": "NCERT", "question": "The first word in a biological name denotes the:", "options": [ "Species", "Genus", "Family", "Class" ], "answer": 2, "explanation": "The first word of a scientific name represents the genus." } { "question_no": 53, "exam": "NCERT", "question": "The second word in a biological name denotes the:", "options": [ "Genus", "Kingdom", "Specific epithet", "Family" ], "answer": 3, "explanation": "The second component of a biological name is called the specific epithet." } { "question_no": 54, "exam": "NCERT", "question": "When handwritten, biological names should be:", "options": [ "Written in capital letters", "Written in red ink", "Separately underlined", "Written within brackets" ], "answer": 3, "explanation": "When handwritten, genus and species names are separately underlined." } { "question_no": 55, "exam": "NCERT", "question": "The genus name in a scientific name starts with:", "options": [ "A small letter", "A capital letter", "A number", "Any letter" ], "answer": 2, "explanation": "The genus name always begins with a capital letter." } { "question_no": 56, "exam": "NCERT", "question": "The specific epithet starts with:", "options": [ "A capital letter", "A number", "A small letter", "Any symbol" ], "answer": 3, "explanation": "The specific epithet always begins with a small letter." } { "question_no": 57, "exam": "NCERT", "question": "In Mangifera indica Linn., 'Linn.' refers to:", "options": [ "The species", "The genus", "The author who first described the species", "The family" ], "answer": 3, "explanation": "Linn. is the abbreviated form of Linnaeus, who first described the species." } { "question_no": 58, "exam": "NCERT", "question": "The author's name is written:", "options": [ "Before the genus", "After the specific epithet", "Between genus and species", "Above the scientific name" ], "answer": 2, "explanation": "The author's name appears after the specific epithet in abbreviated form." } { "question_no": 59, "exam": "NCERT", "question": "Which of the following is correctly written according to binomial nomenclature?", "options": [ "mangifera indica", "Mangifera Indica", "Mangifera indica", "MANGIFERA INDICA" ], "answer": 3, "explanation": "The genus starts with a capital letter and the species starts with a small letter." } { "question_no": 60, "exam": "NCERT", "question": "The major advantage of binomial nomenclature is that:", "options": [ "Every organism can have many names", "It provides a universally accepted scientific name", "Only plants can be named", "It eliminates classification" ], "answer": 2, "explanation": "Binomial nomenclature provides a unique and universally accepted name for each organism." } { "question_no": 61, "exam": "NCERT", "question": "Why is classification necessary in biology?", "options": [ "To increase biodiversity", "To make the study of living organisms easier", "To reduce the number of species", "To create new species" ], "answer": 2, "explanation": "Since it is impossible to study all living organisms individually, classification helps organize them into groups for easier study." } { "question_no": 62, "exam": "NCERT", "question": "Classification is the process by which organisms are:", "options": [ "Named", "Identified", "Grouped into convenient categories", "Discovered" ], "answer": 3, "explanation": "Classification involves grouping organisms into convenient categories based on observable characters." } { "question_no": 63, "exam": "NCERT", "question": "Classification is based on:", "options": [ "Genetic engineering", "Easily observable characters", "Economic value", "Size alone" ], "answer": 2, "explanation": "Organisms are classified using easily observable characteristics." } { "question_no": 64, "exam": "NCERT", "question": "Which of the following is an example of a convenient category?", "options": [ "Plants", "Animals", "Dogs", "All of these" ], "answer": 4, "explanation": "Plants, animals, dogs, cats, insects, etc., are examples of categories used in classification." } { "question_no": 65, "exam": "NCERT", "question": "When we hear the term 'dog', we associate it with certain:", "options": [ "Genes", "Characters", "Cells", "Tissues" ], "answer": 2, "explanation": "The term dog immediately brings to mind a set of recognizable characteristics." } { "question_no": 66, "exam": "NCERT", "question": "Alsatian is an example of a:", "options": [ "Plant", "Bird", "Type of dog", "Mammal order" ], "answer": 3, "explanation": "Alsatian is a specific breed of dog." } { "question_no": 67, "exam": "NCERT", "question": "Mammals are generally characterized by:", "options": [ "Feathers and wings", "External ears and body hair", "Scales and fins", "Gills and tail" ], "answer": 2, "explanation": "External ears and body hair are common characteristics of mammals." } { "question_no": 68, "exam": "NCERT", "question": "When we think of wheat, we usually visualize:", "options": [ "Rice plants", "Mango trees", "Wheat plants", "Grasslands" ], "answer": 3, "explanation": "The category wheat immediately brings to mind wheat plants." } { "question_no": 69, "exam": "NCERT", "question": "The scientific term for classification categories is:", "options": [ "Species", "Taxa", "Kingdoms", "Genera" ], "answer": 2, "explanation": "The scientific term used for categories in classification is taxa." } { "question_no": 70, "exam": "NCERT", "question": "The term 'taxa' refers to:", "options": [ "Only species", "Only kingdoms", "Categories at different levels", "Only genera" ], "answer": 3, "explanation": "Taxa represent classification categories at different hierarchical levels." } { "question_no": 71, "exam": "NCERT", "question": "'Plants' and 'Wheat' are:", "options": [ "Not taxa", "Taxa at the same level", "Taxa at different levels", "Scientific names" ], "answer": 3, "explanation": "Both are taxa, but they represent different levels of classification." } { "question_no": 72, "exam": "NCERT", "question": "A dog is a:", "options": [ "Plant", "Mammal", "Kingdom", "Genus" ], "answer": 2, "explanation": "Dogs belong to the class Mammalia and are therefore mammals." } { "question_no": 73, "exam": "NCERT", "question": "The relationship among dog, mammal and animal shows that:", "options": [ "They are unrelated", "They represent taxa at different levels", "They are species names", "They are all genera" ], "answer": 2, "explanation": "Dog, mammal and animal represent different hierarchical levels of classification." } { "question_no": 74, "exam": "NCERT", "question": "Which of the following is the broadest category?", "options": [ "Dog", "Mammal", "Animal", "Alsatian" ], "answer": 3, "explanation": "Animals include mammals, and mammals include dogs, making animal the broadest category." } { "question_no": 75, "exam": "NCERT", "question": "Classification helps scientists by:", "options": [ "Creating organisms", "Making study and identification easier", "Changing species", "Eliminating biodiversity" ], "answer": 2, "explanation": "Classification organizes organisms into groups, making their study and identification easier." }
← Prev Next →




© 2026 jai99 — All Rights Reserved.