Q: Which of the following is less general in characters as compared to genus?

Correct option: A Explanation: 'Species' is less general in following to genus. Species are the smallest group among all the eight levels of taxonomy with almost similar characters.It is followed by Genus with slightly fewer similarities among its members.Examples: Armadillo – Dasypus novemcinctus, Cat – Felis catus, etc. Hence, ‘species’ is the correct answer.

Q: What is the correct sequence of taxonomic categories?

Correct Option: B Explanation: Species contain a group of individuals that have common fundamental similarities. Genus contains a group of related species. Tribe is a rank that lies between genus and family.Family has a group of related genera.Order has a group of related families.Class comprises of related orders.Division is a rank equivalent to phylum. Hence, the correct sequence of taxonomic categories is division, class, order, family, tribe, genus, species.

Question 1

What is the correct way of writing a scientific name ? Illustrate with example.

Accepted Answer

Binomial nomenclature gives each species a scientific name. Scientific name consists of two parts. The first is genus name and second is species name. It is always written in italics (if typed) or underlined (handwritten). The first letter of genus name is always capitalized. However, the first letter of species is not capitalized. For example, the scientific name of human is Homo sapiens. In this, Homo is genus which includes early and modern humans and sapiens is species specific for humans.

Question 2

Define and understand the following terms:(i) Phylum (ii) Class (iii) Family (iv) Order (v) Genus

Accepted Answer

Explanation:(i) Phylum- Phylum is a level of taxonomic rank that exists below the kingdom and above the class. e.g. phylum chordata. Equivalent of phylum is division in plant kingdom.(ii) Class- A class is a taxonomic rank that exists below the phylum and above the order. e.g. class mammalia, class aves.(iii) Family-  Family is a taxonomic rank in biological classification that exists below order and above genus. e.g. family hominidae(iv) Order- Order is a taxonomic rank that exists below class and above family. e.g. order primates.(v) Genus- Genus is a taxonomic rank in the biological classification that exists below family and above species. e.g. homo

Question 3

Which of the following is a defining characteristic of living organisms?

Accepted Answer

In physiology, a stimulus is a perceptible change in the interior or outside condition. The capacity of a living being or organ to react to those changes is called irritability or responsiveness to stimulusSo, the correct option is 'Response to external stimuli'.

Question 4

As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics.

Accepted Answer

As we go from species to kingdom in an ordered chain of command, the number of basic qualities (a) will diminish. For Example, the mango tree (Mangifera indica) is under kingdom Plantae and in addition, the unicellular green growth Chlamydomonas is additionally under kingdom Plantae, however, they have just a single likeness that both deliver chlorophyll and have cell divider. every single other trademark is dissimilar. So, the correct option is 'Will decrease'.

Question 5

Define a taxon. Give some examples of taxa at different hierarchical levels?

Accepted Answer

A particular level of hierarchy in the classification of living beings is called as a taxon. A taxon is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit.For example, the basic level of classification is species, followed by genus, family, order, class, phylum or division, in ascending order. The highest level of classification is known as a kingdom. So each of these categories can be called as a taxon.

Question 6

The correct sequence of taxonomic categories is _________________.

Accepted Answer

There are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, species. The hierarchy is Division $\rightarrow$ Class $\rightarrow$ Order $\rightarrow$ Family $\rightarrow$ Genus $\rightarrow$Species.So, the correct answer is option D.

Question 7

Which of the following is correct hierarchical order of taxonomic categories?

Accepted Answer

The hierarchical order of taxonomic categories is a sequence of categories in a decreasing or increasing order from kingdom to species and vice versa. The kingdom has the highest rank followed by division, class, order, family, genus, and species. Species has the lowest rank in the hierarchy. Kingdom: The topmost taxonomic category. Example: All animals are included in Kingdom Animalia. The unit in classification that denotes the grouping of organisms based on features which are observable is known as a taxon.Phylum: It is a term used for animals while its synonym division is used for plants. It is a collection of similar classes. Phylum Chordata of animals has class Mammalia along with birds, reptiles, and amphibians.Class: One or more than one order makes a class. Class Mammalia includes all mammals which are bats, rodents, kangaroos, whales, great apes, and man.Order: One or more than one similar families constitute an order. Family: It is defined as a collection of similar genera. It can be separated from genera by reproductive and vegetative features. For example, cats and leopard are included in the same family.Genus: It is defined as a group of similar species.Species: Group of a population which is similar in form, shape and reproductive features so that fertile sibling can be produced. Thus, the correct answer is 'Kingdom, phylum, class, order, family, genus, species.'

Question 8

Which of the following is less general in characters as compared to genus?

Accepted Answer

Correct option: A&#10;&#10;Explanation: &#10;&#10;'Species' is less general in following to genus. Species are the smallest group among all the eight levels of taxonomy with almost similar characters.It is followed by Genus with slightly fewer similarities among its members.Examples: Armadillo &#8211; Dasypus novemcinctus, Cat &#8211; Felis catus, etc.&#10;&#10;&#10;&#10;Hence,&#10;&#8216;species&#8217; is the correct answer.

Question 9

What is the correct sequence of taxonomic categories?

Accepted Answer

Correct Option:&#10;B&#10;&#10;Explanation:&#10;&#10;Species contain a group of individuals that have common&#10;fundamental similarities. Genus contains a group of related species. Tribe is a rank that lies between&#10;genus and family.Family has a group of related&#10;genera.Order has a group of related families.Class comprises of related orders.Division is a&#10;rank equivalent to phylum.&#10;&#10;&#10;&#10;&#10;&#10;&#10;&#10;&#10;&#10;&#10;&#10;Hence, the correct sequence of taxonomic categories is division,&#10;class, order, family, tribe, genus, species.

Question 10

Which one of the following sequences shows the correct hierarchy of classification, going from the most inclusive to the least inclusive?

Accepted Answer

Most inclusive means the taxons which includes most variety of organisms or plants despite of differences.Thus, it should start from the higher taxon- that is Domain and end with the least inclusive - that is species (with maximum similarity).The sequential order is:Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species