The Living World Test

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The Living World Test - 58

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Weekly Quiz Competition

Question 1
1 / -0

Identify from the following the only category that has a real existence.

A
Phylum

B
Kingdom

C
Genus

D
Species

Solution

Species is the basic unit of classification. Members of species are very similar to each other. They are capable of interbreeding and producing fertile offspring.
Rest of the categories like Kingdom, Phylum, and Genus comprises different species grouped together only for hierarchical classification.
So, the correct option is 'Species'.
Question 2
1 / -0

Which is different in different groups?

A
Species

B
Taxon

C
Plankton

D
Family

Solution

A taxon is the category of a group of organisms that forms a unit. Different groups have different taxon.
For example, dogs and cats are two different groups of mammals representing taxa Felidae and Canidae. Here, Felidae and Canidae represent category family of cats and dogs respectively.
So, the correct option is 'Taxon'.
Question 3
1 / -0

Related genera belong to same

A
Variety

B
Family

C
Species

D
None of the above

Solution

Genus (plural - genera ) include various species that are structurally similar or genetically related. Related genera ( plural of genus ) belong to the same family.
Related species belong to the same genus and related varieties belong to same species.
So, the correct option is 'Family'.
Question 4
1 / -0

Botanical names of plants are in Latin language because:

A
Rules of nomenclature were framed by Italian botanists who spoke Latin.

B
It is very difficult to pronounce Latin names and they convey multiple meanings.

C
Latin was the natural language of many European countries.

D
Latin is a dead language, so ts words would convey precise meaning and there would be no changes. It is the mother of all European languages and all the early botanical literature is in Latin.

Solution

Linnaeus started the nomenclature of plants in Latin. At the time of Linnaeus’ work, Latin, the language of science, was taught everywhere and was uniquely suitable for this system of naming plants and animals. European scholars throughout the continent spoke Latin as a common language between various European nations. It is also the mother of all European languages.
So, the correct option is option 'D'.
Question 5
1 / -0

Select the incorrect statements:
(a) Lower the taxon, more are the characteristics shared by members.
(b) Order is an assemblage of genera which have a few similar characters.
(c) Cat and dog belong to same family of felidae.
(d) Binomial nomenclature was introduced by Carolus Linnaeus.

A
b and c

B
c and d

C
a and d

D
b, c and d

Solution

An order is the assemblage of families.
The cat belongs to the family Felidae and dog belongs to the family Canidae. Both dog and cat belong to the same order Carnivora.
So, the correct option is 'b and c'.
Question 6
1 / -0

A homonym is

A
Two or more names for the same taxon.

B
Species name repeats the generic name.

C
Identical name of two different taxa.

D
Name given to a taxon in local language.

Solution

A homonym is the identical name of two different taxa.
The rule in the International Code of Zoological Nomenclature is that the first such name to be published is the senior homonym and is to be used (it is "valid") and any others are junior homonyms and must be replaced with new names.
For example, Cuvier proposed the genus Echidna in for the spiny anteater.
However, Forster had already published the name Echidna in for a genus of moray eels. Forster's use thus has priority, with Cuvier's being a junior homonym.
So, the correct option is 'Identical name of two different taxas'.
Question 7
1 / -0

A group of related genera which resemble each other in floral characteristics represent

A
Order

B
Taxa

C
Family

D
Species

Solution

The taxon that consists of related genera is Family.
Example, family Malvaceae consist of genus Gossipium, Hibiscus, Abulmuschus etc
Question 8
1 / -0

The common characters between tomato and potato will be maximum at the level of their

A
Order

B
Division

C
Genus

D
Family
Solution
- As we move from higher to lower level of hierarchical classification, common characters increases.
- Among the given options, the order of their hierarchical classification is - division, order, family, and genus.
- At the lowest level of the hierarchy the tomato and potato both belong to the family 'Solanaceae' so they will have the most common features at the level of the family.
- So, the correct option is 'Family'.
Question 9
1 / -0

Identify the family belonging to order sapindales.

A
Solanaceae

B
Convolvulaceae

C
Poaceae

D
Anacardiaceae
Solution
- Anacardiaceae belongs to order Sapindales.
- 'Solanaceae' belongs to order 'Polemoniales' and 'Convolvulaceae' belongs to order 'Solanales'. 'Poaceae' is another family belonging to order 'Poales'.
So, the correct option is 'Anacardiaceae'.
Question 10
1 / -0

Which taxonomic category of housefly wrongly matched ?

A
Genus-Musca

B
Family-Muscidae

C
Order-Primata

D
Class-Insecta

Solution

The scientific name of 'Housefly' is 'Musca domestica'. It belongs to order Diptera.
While, order- 'Primata' includes animals like humans, apes, and monkeys.
So, the correct option is 'Order-Primate'.

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The Living World Test - 58

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The Living World Test - 58

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SHARING IS CARING

Question 1

Phylum

Kingdom

Genus

Species

Solution

Question 2

Species

Taxon

Plankton

Family

Solution

Question 3

Variety

Family

Species

None of the above

Solution

Question 4

Rules of nomenclature were framed by Italian botanists who spoke Latin.

It is very difficult to pronounce Latin names and they convey multiple meanings.

Latin was the natural language of many European countries.

Latin is a dead language, so ts words would convey precise meaning and there would be no changes. It is the mother of all European languages and all the early botanical literature is in Latin.

Solution

Question 5

b and c

c and d

a and d

b, c and d

Solution

Question 6

Two or more names for the same taxon.

Species name repeats the generic name.

Identical name of two different taxa.

Name given to a taxon in local language.

Solution

Question 7

Order

Taxa

Family

Species

Solution

Question 8

Order

Division

Genus

Family

Solution

Question 9

Solanaceae

Convolvulaceae

Poaceae

Anacardiaceae

Solution

Question 10

Genus-Musca

Family-Muscidae

Order-Primata

Class-Insecta

Solution

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