The Living World Test

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The Living World Test - 57

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Weekly Quiz Competition

Question 1
1 / -0

The descending arrangement of categories is known as

A
Classification

B
Taxonomy

C
Heirarchy

D
Key

Solution

Hierarchy is the process of arranging taxonomic categories in descending manner in which species are at the lowest level and kingdom at the top.
While classification is the grouping of organisms in scientific manner and taxonomy is the branch of science concerned with classification.
Keys are constructed so that the user is presented with a series of choices about the characteristics of an organism and it helps in the identification of the unknown organism.
So the correct option is 'Hierarchy'.
Question 2
1 / -0

Which is correct depiction of ICZN?

A
Homo Sapiens

B
Homo sapiens

C
homo sapiens

D
homo Sapiens
Solution
- The International Code of Zoological Nomenclature(ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of animals.
- Rules for nomenclature according to ICZN are 1)It consists of two parts one is the genus epithet and the other is species epithet 2)The genus name is always written first 3)The genus name must be capitalized 4)The species epithet is never capitalized 5)The entire two-part name must be written in italics
- Hence Homo sapiens is the correct depiction of ICZN because according to ICZN rules it has two parts one is genus epithet(Homo) and species epithet(sapiens), Both the parts are in italics, Genus name starts with a capital letter and species name starts with small later.
- So, the correct answer is 'Homo sapiens'
Question 3
1 / -0

The correct hierarchical order is

A
Kingdom, genus, class, phylum, and division

B
Phylum, kingdom, genus, species and class

C
Kingdom, phylum, class, genus and species

D
Phylum, division, family, genus and class

Solution

Species is the smallest unit of classification. The genus includes more than one species. The various genus comprises a family. Many families make an order. Class is on the higher taxonomic level than order and includes many orders.
So, the correct option is 'Kingdom, phylum, class, genus, and species'.
Question 4
1 / -0

Scientific name of plant family ends in

A
-ales

B
-ata

C
-sida

D
-eae / aceae
Solution
- Scientific names of plant family have - 'eae/aceae'. Examples of plant families are Solanaceae and Liliaceae.
- Names of order end in - 'ales' and animal subphylum names end in - 'ata'.
- Class names in plants end in - 'sida'.
So, the correct option is 'eae / aceae'.
Question 5
1 / -0

Place of keeping and studying dry plants is :

A
Arboretum

B
Museum

C
Vasculum

D
Herbarium

Solution

Herbarium is place for keeping and studying dry plants. Here, the plants are dried and attached to a herbarium sheet for storage. The herbarium sheet is a thick paper sheet that also provides a space for filling in the details like, the date and place of collection, the name of the person who has collected the plant and the genus and the species of the plant.
So, the correct answer is 'Herbarium'
Question 6
1 / -0

Hierarchy of categories of Carolus Linnaeus had categories except

A
Genus and species

B
Order and class

C
Kingdom and class

D
Phylum and family

Solution

In his book Systema Naturae, Linnaeus proposed that there were three broad groups, called kingdoms. These kingdoms were animals, plants, and minerals. He divided each of these kingdoms into classes. Classes were divided into orders. These were further divided into genera (genus is singular) and then species.
Today we have excluded minerals and added few more categories.The classification broadest level of life is now a domain. All living things fit into only three domains: Archaea, Bacteria, and Eukarya. Within each of these domains there are kingdoms. For example, Eukarya includes the kingdoms Animalia, Fungi, Plantae, and more. Each kingdom contains phyla (singular is phylum), followed by class, order, family, genus, and species.
So, the correct answer is 'Phylum and family'.
Question 7
1 / -0

Which of the following is not a taxon but a category?

A
Division

B
Angiosperms

C
Polypetalae

D
Hibiscus

Solution

A taxon is the group of living organisms. Category indicates the rank of a taxon in the classification hierarchy. For example, snakes belong to class Reptilia, here class is a category and Reptilia is a taxon.
While Angiosperms, Polypetalae and Hibiscus are examples of category belonging to taxa division, family and genus respectively.
So, the correct option is 'Division'.
Question 8
1 / -0

Which one is odd / not a category?

A
Species

B
Class

C
Phylum

D
Glumaceae Malvaceae

Solution

The category is the level of a taxon i.e the name given to the rank of a taxon. While taxon includes a group of living organisms. For example, in the given question, Glumaceae Malvaceae are taxa (plural for taxon) belonging to the category family.
Species, class, and phylum all represent different hierarchical categories of classification.
So, the correct option is 'Glumaceae Malvaceae'.
Question 9
1 / -0

What of the following is true about the species which have became extinct?

A
About 99% of all that lived on earth.

B
About 75% of all that lived on earth.

C
About 25% of all that lived on earth.

D
None of the above.

Solution

Earth's atmosphere has changed a lot in millions of years. Apart from atmospheric changes, changes caused by the invasion of foreign species, habitat degradation, and pollution etc. Has been a major cause of extinction. These changes whether caused by nature or not resulted in survival of only those species who could adapt in those changing Environment.
Also, there have been 5 mass extinction 99 hence 99% of all the species that lived on earth became extinct.
So, the correct option is 'About 99% of all that lived on earth'.
Question 10
1 / -0

Alphonso and Neelam are

A
Varieties of Mangoes

B
Varieties of Apples

C
Breeds of Cow

D
Races of man

Solution

Variety is the category in the botanical nomenclature hierarchy between species and form.
Mango or Mangifera indica represent species and Alphonso and Neelam are varieties of mango.
So, the correct option is 'Varieties of Mangoes'.

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The Living World Test - 57

Result

The Living World Test - 57

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SHARING IS CARING

Question 1

Classification

Taxonomy

Heirarchy

Key

Solution

Question 2

Homo Sapiens

Homo sapiens

homo sapiens

homo Sapiens

Solution

Question 3

Kingdom, genus, class, phylum, and division

Phylum, kingdom, genus, species and class

Kingdom, phylum, class, genus and species

Phylum, division, family, genus and class

Solution

Question 4

-ales

-ata

-sida

-eae / aceae

Solution

Question 5

Arboretum

Museum

Vasculum

Herbarium

Solution

Question 6

Genus and species

Order and class

Kingdom and class

Phylum and family

Solution

Question 7

Division

Angiosperms

Polypetalae

Hibiscus

Solution

Question 8

Species

Class

Phylum

Glumaceae Malvaceae

Solution

Question 9

About 99% of all that lived on earth.

About 75% of all that lived on earth.

About 25% of all that lived on earth.

None of the above.

Solution

Question 10

Varieties of Mangoes

Varieties of Apples

Breeds of Cow

Races of man

Solution

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