FREE NEET Biology Practice MCQ Test: The Living World Exercise 2 Questions Answers With Detailed Explanations [PDF]

Answer: (a)

Members of same species form population and members of different species form community.

Answer: (a)

Answer: (c)

Lectotype is a specimen later selected to serve as the single type specimen for species originally described from a set of syntypes.

Answer: (a)

Families are characterized on the basis of both vegetative and reproductive features of plant species. Tomato (Lycopersicon esculentum) and potato (Solanum tuberosum) belongs to the same family solanaceae.

Answer: (c)

Answer: (b)

Answer: (c)

Herbarium is the storehouse of dead, dried, pressed and preserved plant specimens on paper sheets, called herbarium sheets. The sheets, along with description of plant specimens, are arranged according to standard system of classification, and are stored for future use. All sheets carry labels having information about date and place of collection, English, local and botanical names, family and collector’s name etc. The herbarium sheets can be used as a quick reference for taxonomic studies.

Answer: (a)

Answer: (a)

Carolus Von Linnaeus in his book Genera Plantanum made use of the artificial system of classification. He distinguished between the natural and artificial systems. He used the binomial nomenclature system and classified organisms into geniuses and species.

Answer: (b)

Binomial nomenclature is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages.

Answer: (c)

Individuals of the same species can interbreed. No two individuals share the same ecological niche.

Answer: (a)

Answer: (c)

Answer: (c)

Answer: (c)

Phylogeny refers to evolutionary history.

Answer: (b)

Species is a natural population of individuals which resemble one another in all essential morphological and reproductive characters so that they are able to interbreed freely in nature to produce fertile offspring. Two different taxonomic species essentially have different characteristics.

Answer: (b)

Isotype refers to the duplicate of holotype. When the original material is missing, the new nomenclatural type is termed as neotype. When there is no holotype, any of two or more specimens cited by the author is named as syntype.

Answer: (d)

The disadvantage of using common name for species is that the names may change, one name does not apply universally, one species may have several common names and one common name may be applied to two species.

Answer: (b)

Angiosperms have adapted themselves to all kinds of habitat - terrestrial, aquatic, tropical, deciduous and alpine. Self-pollination is seen in very few angiosperms. Production of large number of seeds ensure that at least some will germinate. Not all plants have been domesticated by man.

Answer: (c)