The Living World Test

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The Living World Test - 26

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Weekly Quiz Competition

Question 1
1 / -0

Species are considered as

A
Real units of classification devised by taxonomists

B
Real basic unit of classification which can produce fertile offspring

C
Artificial concepts of human mind, which cannot be defined in absolute terms

D
None of these
Solution
- In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as the largest group of organisms capable of interbreeding and producing fertile offspring. As they share more common character it is the basic unit of classification.
Thus, the correct answer is option B.
Question 2
1 / -0

Which of the following taxonomist described the classification of the plant kingdom in the book 'Families of flowering plants'?

A
Cronquist

B
Takhtajan

C
Benson

D
Hutchinson

Solution

Families of Flowering Plants is the book written by Hutchinson in which he classified plants into Dicots and Monocots and further divided into respective families.
The correct answer is option D.
Question 3
1 / -0

Cohort is a group correlated with

A
Species

B
Phylum

C
Families

D
Order

Solution

The cohort is a taxonomic rank. It is a group of animals of the same species, identified by a common characteristic, which is studied over a period of time as part of a scientific or medical investigation.
So, the correct answer is 'Families'.
Question 4
1 / -0

A group of related genera, with still less number of similarities as compared to the genus and species, constitutes

A
Order

B
Class

C
Family

D
Division

Solution

A group of related genera, with less number of similarities as compared to the genus and species, are considered as family. It is one of the major taxonomic groups which comes between order and genus. It is a group of one or more genera, especially sharing a common attribute. It can be further classified into sub-family which ranks above the genus.
So, the correct answer is option C.
Question 5
1 / -0

Aristotle is associated with

A
Scala naturae

B
Catastrophism

C
Parallelism

D
Biogenetic law

Solution

Scala nature is the system which explains that there is a continuous gradation in the organisms found in nature. This concept was proposed by Aristotle. The concept is based on the hierarchical structure of all matter and life. The chain starts from god and progresses downward to all the matter on the earth. First included are the living forms and then the non-living forms.
So, the correct answer is option A.
Question 6
1 / -0

The term species was coined by

A
Aristotle

B
Engler

C
John Ray

D
Linnaeus

Solution

Species is the basic unit of classification. The term species was coined by John Ray. It is the largest group of organisms in which two individuals can produce fertile offspring, typically by sexual reproduction.
So, the correct answer is option C.
Question 7
1 / -0

Biosystematics aims at

A
Identification and arrangement of organisms on the basic of their cytological characteristics.

B
The classification of organisms based on broad morphological characteristics.

C
Delimiting various taxa of organisms and establishing their relationships.

D
The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of study.
Solution
Correct Option: D
Explanation:
- Systematics is a branch of biology which deals with the study of diversity in organisms.
- It is concerned with the study of the diversity of plants, animals and other life forms.
- Biosystematics deals with the evolutionary relationships on the basis of anatomy, physiology, etc.
- It is used for the classification of organisms/plants on the basis of their history and phylogenetic studies in order to place them in a specific hierarchical rank.
- Thus, the correct answer is option D.
Question 8
1 / -0

In hierarchical classification, class comes between

A
Family and genus

B
Phylum and order

C
Order and family

D
Kingdom and phylum

Solution

The hierarchical sequence is as follows: Kingdom, Phylum or Division, Class, Order, Family, Genus, Species.
So, the correct answer is 'Phylum and order'
Question 9
1 / -0

Which of the following statement is / are incorrect?

A. Lower the taxon, more are the characteristics, that the members within the taxon share.
B. Order is the assemblage of genera, which exhibit a few similar characters.
C. Cat and rabbit are included in the same family Felidae.
D. Binomial nomenclature was introduced by Carolus Linnaeus.

A
B and C

B
B,C and D

C
A and D

D
C and D

E
A and C

Solution

In the taxonomic hierarchy, lower the rank higher is the degree of similarity between the occupants.
Order is the assemblage of families, which exhibit a few similar characters.
Cat belongs to same family Felidae, while rabbit belongs to Leporidae.
The binomial nomenclature was introduced by Carolus Linnaeus in which the genus name and the species epithet are used for scientific naming of an organism.
Thus, the correct answer is option A.
Question 10
1 / -0

Institution which encourages publication of local flora is

A
NBRI

B
FRI

C
BSI

D
IARI

Solution

Botanical Survey of India' at Kolkata is the centre for improving botanical knowledge and experimentation under the local Governments.
National Botanical Research Institute' (NBRI), Lucknow is a multi-disciplinary plant research centre of international repute, undertaking basic and applied for R&D programmes in strategically important areas of plant sciences.
'Forest Research Institute', Dehradun, is a premier institution under the 'Indian Council of Forest Research and Education' (ICFRE). The Institute caters to the research needs of the Indo-Gangetic plains of Punjab, Haryana, Chandigarh, Delhi and Western Uttar Pradesh, as well as the U.P. Himalayas.
'Indian Agricultural Research Institute', Delhi looks into crop improvement and sustained agricultural productivity in harmony with the environment.
So, the correct answer is option C.

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Re-Attempt Weekly Quiz Competition

The Living World Test - 26

Result

The Living World Test - 26

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Rank

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SHARING IS CARING

Question 1

Real units of classification devised by taxonomists

Real basic unit of classification which can produce fertile offspring

Artificial concepts of human mind, which cannot be defined in absolute terms

None of these

Solution

Question 2

Cronquist

Takhtajan

Benson

Hutchinson

Solution

Question 3

Species

Phylum

Families

Order

Solution

Question 4

Order

Class

Family

Division

Solution

Question 5

Scala naturae

Catastrophism

Parallelism

Biogenetic law

Solution

Question 6

Aristotle

Engler

John Ray

Linnaeus

Solution

Question 7

Identification and arrangement of organisms on the basic of their cytological characteristics.

The classification of organisms based on broad morphological characteristics.

Delimiting various taxa of organisms and establishing their relationships.

The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of study.

Solution

Question 8

Family and genus

Phylum and order

Order and family

Kingdom and phylum

Solution

Question 9

B and C

B,C and D

A and D

C and D

A and C

Solution

Question 10

NBRI

FRI

BSI

IARI

Solution

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