Question

142. Two organisms of same class but different families will be kept under the same
(a)genera
(b) species
(c) order
(d) family
​

Answer 1

Two organisms of same class but different families will be kept under the same- (c) order

•Taxonomic ranking in biological domain is - kingdom, phylum or division, class, order, family, genus, species.

•Higher rank is more wide and diverse form, while going down at lower rankings, organisms are classified in specific manner.

•According to given question, if class is same and families are different, then they can be kept in same order.

•This means, organism will be categorised in same order, but differs from other organisms in family.

•Example of families in order carnivora are - Felidae, which includes cats and canidae, which includes foxes, dogs etc.

Answer 2

The answer is Order.

Explanation:

• Taxonomy is the branch of biology where classification of all living things is done. It was discovered by Carolus Linnaeus.

• Linnaeus also formed binomial system of nomenclature.

• It is the system where each type of organism is given a genus and species name.

• Linnaeus also developed a system of classification which is known as the taxonomic hierarchy. It has eight ranks i.e, from general to specific. These are:

• Kingdom, Phylum, Class, Order, Family, Genus, and Species.

• Order is a taxonomic rank which is used in classification of organisms.

• It is below the class, and constitue families sharing a set of same type of character.