FREE NEET Biology Practice MCQ Test: The Living World Exercise 3 Questions Answers With Detailed Explanations [PDF]

Answer: (c)

Answer: (a)

Replication of the genetic information causes transfer of genetic information from one generation to the next. It is very important feature of all living organisms.

Answer: (c)

Taxon refers to all the categories in the taxonomic hierarchy. It may be a kingdom, class, order, family, genus or species. It is any level of grouping of organisms. Each of these categories has been divided further into intermediate categories like subkingdom, subdivision, superclass, subgenus, subspecies, etc.

Answer: (d)

Biosystematics is the study of diversity of organism and all their comparative and evolutionary relationships.

Answer: (d)

Answer: (c)

Answer: (c)

Species is the lowest category in taxonomic hierarchy. A species is a group of animals, plants or other living things that all share common characteristics and that are all classified as alike in some manner.

Answer: (c)

Answer: (c)

Answer: (c)

In unicellular organisms, both Growth and Reproduction are inclusive events as unicellular organisms simply grow by cell division, in which their population size also increases. Both the features are exclusive in higher organisms.

Answer: (c)

Many related families can be grouped under an order.

Answer: (a)

To construct the hierarchy of classification, one or more species are grouped into a genus, one or more of genera into a family, families are clubbed into order, orders into class, classes into phylum and various phyla into kingdom.

Answer: (c)

Answer: (a)

Answer: (d)

Answer: (a)

Answer: (c)

The term "New Systematics" was given by Julian Huxley(1940). Characters of plants collected through different branches of science are considered. ecology, physiology, biochemistry, cytology, genetics, etc.

Answer: (b)

Taxonomical hierarchy (introduced by Linnaeus) is arrangement of various taxonomic levels in the descending order, starting from kingdom upto species. The hierarchy indicates the various levels of kinship. The number of similar characters of categories decreases from lowest rank to highest rank i.e., from species to kingdom. There are 7 obligate categories which constitute taxonomical hierarchy. In addition to these obligate categories there are some optional categories are as follows. e.g., Tribe, subclass, superclass, etc.

Answer: (b)

Panthera is a polytypic Genus and it contain several species like Panthera leo, Panthera tigris and Panthera pardus. These species have several common features. Polytypic Genera have multiple species while monotypic genera have one species only.

Answer: (c)