CBSE Class 11 Living World — practice questions
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Practice CBSE Class 11 Living World in the app →Per NCERT Class 11 Biology Ch 1, BIOLOGY is defined as the science of what?Per NCERT, the number of species currently known and described on Earth ranges between approximately what valuPer NCERT, what is the term for the process of standardising the naming of living organisms so that they are kPer NCERT, what is IDENTIFICATION (as distinct from nomenclature)?Per NCERT, which international code governs the SCIENTIFIC NAMING of PLANTS?Per NCERT, which international code governs the SCIENTIFIC NAMING of ANIMALS?Per NCERT, who is credited with introducing the BINOMIAL NOMENCLATURE system used in biology?Per NCERT, what are the TWO components of a binomial scientific name?Per NCERT, biological names are generally in which LANGUAGE and how are they typeset?Per NCERT, in a scientific name, which word starts with a CAPITAL letter and which with a SMALL letter?Per NCERT Exercise 5, which of the following is the CORRECTLY written scientific name of MANGO?Per NCERT, what does the AUTHOR'S NAME after a specific epithet indicate (e.g. Mangifera indica Linn.)?Per NCERT, CLASSIFICATION is the process by which anything is grouped into convenient categories based on whatPer NCERT, what is a TAXON?Per NCERT, what is TAXONOMY?Per NCERT, the FOUR processes basic to TAXONOMY are which?Per NCERT, the earliest classifications by humans were based on what?Per NCERT, what is SYSTEMATICS — derived from the Latin 'systema'?Per NCERT, which Linnaeus publication had the title 'SYSTEMA NATURAE'?Per NCERT 'Born on 5 July 1904' box, which biologist has been called 'The Darwin of the 20th century' and pionPer NCERT, what THREE awards constitute the 'triple crown of biology' that Ernst Mayr received?Per NCERT §1.2, classification involves a HIERARCHY of steps with each step representing a rank or category. WPer NCERT, what is the LOWEST taxonomic category common to ALL organisms — plant or animal?Per NCERT, as we go FROM SPECIES TO KINGDOM in the taxonomic hierarchy, the number of common characteristics aPer NCERT, what defines a SPECIES in taxonomy?Per NCERT, the scientific name of POTATO is Solanum tuberosum. What does 'tuberosum' represent?Per NCERT, the scientific name of LION is Panthera leo. What is its GENUS?Per NCERT, what is the scientific name of HUMAN BEINGS?Per NCERT §1.2.2, what is a GENUS?Per NCERT, which animals are all members of the GENUS Panthera?Per NCERT, the genus Solanum includes which plants?Per NCERT §1.2.3, what is a FAMILY in taxonomic hierarchy?Per NCERT, plants Solanum, Petunia, and Datura belong to which family?Per NCERT, lion (Panthera) along with cats (Felis) are placed in which family?Per NCERT, the family of DOGS is which?Per NCERT, what TWO sets of features are used to characterise PLANT FAMILIES?Per NCERT §1.2.4, what is an ORDER in taxonomy?Per NCERT, the animal order CARNIVORA includes which families?Per NCERT, the plant order POLYMONIALES includes which families?Per NCERT §1.2.5, what is a CLASS in taxonomy?Per NCERT, monkey, gorilla, gibbon are in order Primata. With order Carnivora (tiger, cat, dog), they are placPer NCERT §1.2.6, what is the PHYLUM (or DIVISION for plants)?Per NCERT, what TWO defining features unite the phylum CHORDATA?Per NCERT, for PLANTS, what is the equivalent of 'phylum' called?Per NCERT §1.2.7, what is the HIGHEST taxonomic category?Per NCERT Table 1.1, what is the full taxonomic classification of HUMAN BEINGS (Man — Homo sapiens)?Per NCERT Table 1.1, what is the classification of HOUSEFLY (Musca domestica)?Per NCERT Table 1.1, MANGO (Mangifera indica) belongs to which family + division?A mountain gets bigger as material piles on its surface. Living things differ because their growth is:Increase in mass and increase in number of individuals are the twin marks of:A pine tree keeps growing all its life while a dog stops at a certain age. Growth by cell division is continuoA dead organism:A mould spreads across bread using millions of asexual:Yeast and hydra reproduce by:A cut Planaria regrows the missing part into a whole new worm. This is true:For an Amoeba, reproduction is the same thing as:Mules and sterile worker bees never reproduce. This shows reproduction is not:The sum total of all chemical reactions in the body is:Which of these shows metabolism?A metabolic reaction run in a test tube is:The defining feature of life forms is said to be:A sunflower turns towards light. This shows living things can:Seasonal breeders time their reproduction by day length, that is by the:The only organism said to be aware of itself is the:Properties of a tissue that its single cells lack arise from interactions. Such properties are:Dried, pressed plant specimens preserved on sheets are stored in a:Living plants grown and labelled for reference are kept in a:In a museum, insects are preserved in boxes after collecting, killing and:Wild animals kept under human care in near-natural conditions are in a:Each statement in a taxonomic key is called a: