The Living World Test

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The Living World Test - 82

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Weekly Quiz Competition

Question 1
1 / -0

The group "Pteropsida" proposed by Oswald Tippo include

A
Ferns

B
Gymnosperms

C
Angiosperms

D
All of the above

Solution

Oswald Tippo, University of Illinois 1942, classified plant kingdom into two sub-kingdom; Thallophyta (thalloid plant body without distinct alternation of generations and no embryo) and Embryophyta (organ level differentiation of plant body with regular alternation of sporophyte and gametophyte generations and embryo present). Sub-kingdom embryophyta includes Bryophyta (dominant gametophyte generation and absence of vascular tissues) and Tracheophyta (sporophyte dominant with advanced vascular tissues). Tracheophyta includes four subphyla, these are namely Psilosida, Lycopsida, Sphenopsida and Pteropsida. Pteropsida includes three classes: Filicinae (ferns), Gymnospermae (gymnosperms) and Angiospermae (angiosperms) which makes option D correct.
Question 2
1 / -0

All type of snakes belongs to which order?

A
Reptilia

B
Squamata

C
Ophidia

D
Lacertilia

Solution

The Squamata contains scaled reptiles. It is the largest recent order or reptiles comprising all lizards and snakes. This order has more than 9000 species. Members of the order are distinguished by their skins, which bear horny scales or shields.
Therefore, the correct answer is option B.
Question 3
1 / -0

The botanical name of 'Sanjeevani' is

A
Selaginella utricularia

B
Selaginella bryopteris

C
Selaginella crotalaria

D
None of the above

Solution

Selaginella bryopteris is commonly known as sanjeevini or sanjivini booti. It is a lithophytic plant. It is used medicinally in India. The popular name sanjeevani, which translates as "one that infuses life" derives from the medicinal properties.
Sanjeevani grows on the hills of tropical areas, particularly the Arawali Mountain terrains from east to west in India. The dry plants have traditionally been used as a remedy for several human health complications for centuries in India, particularly by tribal peoples. Traditional uses include relief from heat stroke, dysuria, irregular menstruation and jaundice.
Question 4
1 / -0

The taxonomic unit ' phylum' in the classification of animals is equivalent to which hierarchical level in the classification of plants?

A
Class

B
Order

C
Division

D
Family

Solution

The category which is higher than that of the class is called as phylum for animals and division for plants. It is formed by one or more classes. For example, Spermatophyta is the division which includes about seven classes of gymnosperms and two classes of angiosperms. Thus, the correct answer is option C.
Question 5
1 / -0

Select the group which shares the maximum number of common characters.

A
Two species of a genus.

B
Two genera of a family.

C
Two individuals of same species.

D
Two genera of two families.

Solution

Members of the same species share maximum common characteristics. Being the lowest level of taxonomic classification, they have the maximum number of similar characteristics.
For example- Panthera leo and Panthera tigris
Panthera leo means a lion and Panthera tigris is a tiger. Both belong to the same genus, Panthera. But it is clearly seen that lions share maximum characteristics among themselves than to that of tigers and the same with tigers too.
Question 6
1 / -0

Significance of classification is

A
It makes the study of such a wide variety of organisms easy

B
It projects before us a good picture of all life forms at a glance

C
It helps us understand the inter-relationship among different groups of organisms

D
All of the above
Solution
Importance of classification:
It makes the study of such a wide variety of organisms easy.
It projects before us a good picture of all life forms at a glance.
It helps us understand the inter-relationship among different groups of organisms.
It serves as a base for the development of other biological sciences such as biogeography etc.
Various fields of applied biology such as agriculture, public health, and environmental biology depend on the classification of pests, disease vectors, pathogens and components of an ecosystem.
Question 7
1 / -0

In plant taxonomy, a division is the equivalent to

A
Family

B
Order

C
Class

D
Phylum
Solution
- Plant taxonomy is the main branches of taxonomy, which refers to the study of plant classification. Classification is keeping objects into groups. Classification involves naming (nomenclature), describing (assigning features to a taxon), and identifying (determining that an unknown element is identical to known one) species.
- The term taxonomy was originally coined by Augustin Pyramus de Candolle in 1813. The founder of plant taxonomy is Linnaeus, who is credited with the binomial system and classification hierarchy. Hierarchy of categories is the classification of organisms in a definite sequence of categories in a descending order, starting from the kingdom and reaching up to species or an ascending order from species to kingdom.
- A division is a category higher than that of a class. The term phylum is used for animals while division is commonly employed for the plants. A division or phylum is formed of one or more classes. For example, the division of Spermatophyta in plants has similarly 7 classes of gymnosperms and two classes of angiosperms.
So the correct option is 'Phylum'.
Question 8
1 / -0

The taxonomy includes

A
Classification

B
Nomenclature

C
Identification

D
All of the above

Solution

Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals, and microorganisms of the world.
Taxonomy identifies and enumerates the components of biological diversity providing basic knowledge underpinning the management and implementation of the convention on biological diversity.
Question 9
1 / -0

Systematics or Taxonomy means_______________

A
Identification

B
Nomenclature

C
Classification

D
All of the above

Solution

Systematics is the study of biological diversity and its origins. It focuses on understanding evolutionary relationships among organisms, species, higher taxa, or other biological entities, such as genes, and the evolution of the properties of taxa including intrinsic traits, ecological interactions, and geographic distributions. An important part of systematics is the development of methods for various aspects of phylogenetic inference and biological nomenclature/classification.
Taxonomy- The classification and naming of organisms in an ordered system that is intended to indicate natural relationships, especially evolutionary relationships.
It includes identification, nomenclature and classification.
Question 10
1 / -0

Generic name

A
Always starts with a capital letter

B
Always starts with a small letter

C
Starts with capital letter for plants and small letter for plants

D
Starts with capital letter for animals and small letter for plants

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Re-Attempt Weekly Quiz Competition

The Living World Test - 82

Result

The Living World Test - 82

Score

-

Rank

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SHARING IS CARING

Question 1

Ferns

Gymnosperms

Angiosperms

All of the above

Solution

Question 2

Reptilia

Squamata

Ophidia

Lacertilia

Solution

Question 3

Selaginella utricularia

Selaginella bryopteris

Selaginella crotalaria

None of the above

Solution

Question 4

Class

Order

Division

Family

Solution

Question 5

Two species of a genus.

Two genera of a family.

Two individuals of same species.

Two genera of two families.

Solution

Question 6

It makes the study of such a wide variety of organisms easy

It projects before us a good picture of all life forms at a glance

It helps us understand the inter-relationship among different groups of organisms

All of the above

Solution

Question 7

Family

Order

Class

Phylum

Solution

Question 8

Classification

Nomenclature

Identification

All of the above

Solution

Question 9

Identification

Nomenclature

Classification

All of the above

Solution

Question 10

Always starts with a capital letter

Always starts with a small letter

Starts with capital letter for plants and small letter for plants

Starts with capital letter for animals and small letter for plants

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