DPP: The Living World (Solutions) | Biology Class 11 - NEET PDF Download

Q1: The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
(a) interaction with the environment and progressive evolution
(b) reproduction
(c) growth and movement
(d) responsiveness to touch

Answer: (a) interaction with the environment and progressive evolution
Explanation: Living organisms interact constantly with their environment and undergo evolution, which distinguishes them from non-living things.

Q2: Which one of the following animals is correctly matched with its particular named taxonomic category?
(a) Tiger - tigris, the species
(b) Cuttle fish - mollusca, a class
(c) Humans - primata, the family
(d) Housefly - musca, an order

Answer: (a) Tiger - tigris, the species
Explanation: Panthera tigris is the scientific name of the tiger, where tigris denotes the species.

Q3: Taxonomic hierarchy refers to
(a) Step-wise arrangement of all categories for classification of plants and animals
(b) A group of senior taxonomists who decide the nomenclature of plants and animals
(c) A list of botanists or zoologists who have worked on taxonomy of a species or group
(d) Classification of a species based on fossil record

Answer: (a) Step-wise arrangement of all categories for classification of plants and animals
Explanation: Taxonomic hierarchy is the sequential arrangement of categories such as species, genus, family, order, class, phylum, and kingdom.

Q4: Choose correct scientific name of mango.
(a) Mangifera Indica
(b) Mangifera indica Linn
(c) Mangifera indica Hook.
(d) Mangifera indica L

Answer: (d) Mangifera indica L
Explanation: The correct scientific name is Mangifera indica L, where “L” stands for Linnaeus, who first described the species.

Q5: Arrange the following taxonomic categories in increasing number of common characteristics w.r.t. plant mango
A. Dicotyledonae B. Polymoniales C. Mangifera D. Angiospermae E. Anacardiaceae
(a) A → D → B → E → C
(b) A → D → C → B → E
(c) D → A → B → E → C
(d) D → A → C → E → B

Answer: (c) D → A → B → E → C
Explanation: From broad to specific, the order is: Angiospermae → Dicotyledonae → Polymoniales → Anacardiaceae → Mangifera.

Q6: The common characteristics between brinjal and wheat can be observed maximum at the level of their
(a) Division
(b) Phylum
(c) Kingdom
(d) Both (b) and (c)

Answer: (c) Kingdom
Explanation: Both brinjal and wheat belong to the same kingdom, Plantae, though they belong to different divisions.

Q7: Most names in biological nomenclature of living organisms are taken from which language?
(a) Hindi
(b) Latin
(c) German
(d) French

Answer: (b) Latin
Explanation: Scientific names are universally derived from Latin or are Latinised for uniformity and standardisation.

Q8: The main objective of plant taxonomy is
(a) to study the world’s flora
(b) to provide a method for identification and nomenclature
(c) to provide Latin ‘scientific’ names for every group of plants in the world
(d) all of these

Answer: (b) to provide a method for identification and nomenclature
Explanation: The main aim of taxonomy is to identify, classify, and name organisms based on shared characteristics.

Q9: Which one of the following has least similar characters?
(a) Family
(b) Class
(c) Genus
(d) Species

Answer: (b) Class
Explanation: As we move upward in the hierarchy, similarities decrease. Hence, members of a class have fewer similarities.

Q10: The ascending or descending arrangement of taxonomic categories is called as
(a) classification
(b) taxonomy
(c) hierarchy
(d) key

Answer: (c) hierarchy
Explanation: A hierarchy is an ordered arrangement of categories either in ascending or descending order.

Q11: Animal taxonomists have named the animals according to
(a) International class for Zoology Nomenclature
(b) Indian code for Zoology Nomenclature
(c) International classification for Zoological Nomenclature
(d) International code for Zoological Nomenclature

Answer: (d) International code for Zoological Nomenclature
Explanation: Animals are named following the rules of the International Code for Zoological Nomenclature (ICZN).

Q12: Species is
(a) population of individuals having same genotypes and phenotypes
(b) a group of individuals inhabiting a geographical area
(c) a group of interbreeding populations
(d) population of one type

Answer: (c) a group of interbreeding populations
Explanation: Species are groups of similar organisms capable of interbreeding to produce fertile offspring.

Q13:The usage of binomial names for plant species was accepted by all after the publication of the work by
(a) Hooker
(b) Linnaeus
(c) Bentham
(d) Darwin

Answer: (b) Linnaeus
Explanation: Carolus Linnaeus introduced and popularised the binomial system of nomenclature.

Q14: Which of the following is less general in characters as compared to genus?
(a) Species
(b) Division
(c) Class
(d) Family

Answer: (a) Species
Explanation: Species is the lowest taxonomic category and most specific in its characteristics.

Q15: A taxon with reference to classification of living organisms can be defined as
(a) a group of similar genera
(b) a group of similar species
(c) a group of organisms based on chromosome numbers
(d) a group of any one rank of organisms

Answer: (d) a group of any one rank of organisms
Explanation: A taxon represents any category in the taxonomic hierarchy, such as species, genus, or family.

Q16: Species are considered as
(a) Real units of classification devised by taxonomists
(b) Real basic units of classification
(c) The lowest units of classification
(d) Artificial concept of human mind which cannot be defined in absolute terms

Answer: (b) Real basic units of classification
Explanation: Species are the basic natural units of classification used to categorise organisms.

Q17: Linnaeus system of classification is
(a) Natural
(b) Artificial
(c) Phylogenetic
(d) Progressive

Answer: (b) Artificial
Explanation: Linnaeus’ system is based mainly on morphological traits, making it an artificial classification system.

Q18:The book Systema Naturae was written by
(a) Carolus Von Linnaeus
(b) Hutchinson
(c) Engler and Prantl
(d) Bentham & Hooker

Answer: (a) Carolus Von Linnaeus
Explanation: Linnaeus wrote Systema Naturae, which laid the foundation for systematic classification.

Q19: Which of the following is not a taxon?
(a) Carnivora
(b) Insectivora
(c) Herbivora
(d) Mastigophora

Answer: (c) Herbivora
Explanation: Herbivora denotes feeding habit, not a taxonomic category. The others are valid taxonomic groups.

Q20: The category which includes related families is
(a) Class
(b) Phylum
(c) Order
(d) Kingdom

Answer: (c) Order
Explanation: Related families are grouped together into an order according to taxonomic hierarchy.

Q21: No non-living object is capable of reproduction or replication by itself. Although reproduction cannot be an all-inclusive defining characteristic of living organisms because
(a) Organisms like mules do not reproduce
(b) It brings about variation in offspring
(c) Clones are blueprints of their parents
(d) Drones (male honey bees) are produced parthenogenetically

Answer: (a) Organisms like mules do not reproduce
Explanation: While reproduction is a vital feature of life, some living organisms like mules and sterile workers do not reproduce.

Q22: Which of the following have more characters in common?
(a) Order
(b) Class
(c) Phylum
(d) Family

Answer: (d) Family
Explanation: The lower the taxonomic rank, the more characteristics are shared. Family members have more similarities than those of higher categories.

Q23: Mark the odd one in the following
(a) Family
(b) Class
(c) Taxon
(d) Phylum

Answer: (c) Taxon
Explanation: Taxon is a general term for any rank in classification, while the others are specific taxonomic categories.

Q24: The process of assigning scientific names to organisms based on agreed principles and criteria is called
(a) Identification
(b) Classification
(c) Nomenclature
(d) Taxonomy

Answer: (c) Nomenclature
Explanation: Nomenclature is the process of providing scientific names to organisms following standard rules such as those in the ICBN and ICZN.

Q25: Which of the following is not one of the basic processes of taxonomy?
(a) Characterisation
(b) Identification
(c) Isolation
(d) Nomenclature

Answer: (c) Isolation
Explanation: The PDF lists four main processes of taxonomy: characterisation, identification, classification, and nomenclature. Isolation is not one of them.

Q26: For plants, the scientific names are based on principles provided by
(a) International Code of Botanical Nomenclature
(b) International Code of Zoological Nomenclature
(c) Linnaean Code of Nomenclature
(d) International Plant Classification Code

Answer: (a) International Code of Botanical Nomenclature
Explanation: The PDF explicitly mentions that plants are named using the International Code for Botanical Nomenclature (ICBN).

Q27: What does the term Systematics refer to?
(a) Study of fossil organisms
(b) Study of only living plants
(c) Study of evolutionary relationships among organisms
(d) Study of ecological interactions

Answer: (c) Study of evolutionary relationships among organisms
Explanation: Systematics involves identification, nomenclature, classification, and considers evolutionary relationships among organisms.

Q28: The word Systema (as in Systema Naturae) is derived from which language?
(a) Greek
(b) Latin
(c) German
(d) French

Answer: (b) Latin
Explanation: The term “systema” comes from Latin, meaning “systematic arrangement of organisms.”

Q29: In binomial nomenclature, the first word of a biological name represents the
(a) Family
(b) Genus
(c) Order
(d) Species

Answer: (b) Genus
Explanation: In binomial nomenclature, the first word denotes the genus and the second word denotes the specific epithet.

Q30: Which of the following statements is incorrect about writing a scientific name?
(a) The generic name starts with a capital letter
(b) The specific epithet starts with a small letter
(c) Both words are written together as one word
(d) When handwritten, both words are underlined separately

Answer: (c) Both words are written together as one word
Explanation: The two words of a scientific name must be written separately and not joined together.

Q31: The genus Panthera includes which of the following animals?
(a) Lion, tiger, and leopard
(b) Cat, lion, and wolf
(c) Tiger, dog, and cat
(d) Leopard, fox, and jackal

Answer: (a) Lion, tiger, and leopard
Explanation: The PDF states that Panthera includes lion (Panthera leo), tiger (P. tigris), and leopard (P. pardus).

Q32: Which of the following families belongs to the order Polymoniales?
(a) Poaceae
(b) Solanaceae
(c) Fabaceae
(d) Rosaceae

Answer: (b) Solanaceae
Explanation: The PDF notes that plant families such as Convolvulaceae and Solanaceae are placed under the order Polymoniales.

Q33: In animals, the class Mammalia includes which of the following orders?
(a) Diptera and Hymenoptera
(b) Primata and Carnivora
(c) Rodentia and Poales
(d) Carnivora and Poaceae

Answer: (b) Primata and Carnivora
Explanation: The PDF shows that Primata (monkey, gorilla) and Carnivora (tiger, dog) are included under class Mammalia.

Q34: As we move from species to kingdom in the taxonomic hierarchy
(a) Number of common characteristics increases
(b) Number of common characteristics decreases
(c) Organisms become more similar
(d) Relationships become easier to determine

Answer: (b) Number of common characteristics decreases
Explanation: The PDF explains that lower taxa share more characteristics, while higher taxa (like kingdom) share fewer.

Q35: According to the taxonomic table, the housefly (Musca domestica) belongs to which class?
(a) Insecta
(b) Arthropoda
(c) Diptera
(d) Mammalia

Answer: (a) Insecta
Explanation: The table in the PDF shows that Musca domestica belongs to phylum Arthropoda and class Insecta.