Find the best tutors and institutes for Class 11 Tuition
Q9(iv):
Define and understand the following terms:
(iv) Order
Solution :
1. Conceptual Definition of Order
In biological taxonomy, Order is a major taxonomic rank used in the classification of organisms. It serves as an intermediate category positioned between Class (higher rank) and Family (lower rank). An order represents a grouping of related families that share a common evolutionary ancestry and display a specific set of morphological or genetic characteristics [Per the Hierarchical Biological Classification System].
2. Taxonomic Hierarchy Placement
The hierarchy follows the principle of increasing specificity as one moves down the ranks. The placement of Order is defined as follows:
| Rank | Level of Generality |
|---|---|
| Class | Highly inclusive; contains multiple orders |
| Order | Specific cluster of related families |
| Family | More specific; contains related genera |
3. Structural Criteria for Classification
Organisms are aggregated into a single order based on:
- Morphological Similarities: Shared structural features, such as limb structure, dental formulas, or reproductive mechanisms.
- Aggregates of Families: An order is technically defined as an assemblage of families that exhibit a "few similar characters" [Based on the International Code of Zoological Nomenclature (ICZN)].
- Phylogenetic Relationships: Evolutionary proximity determined through molecular sequencing or fossil record analysis.
4. Illustrative Examples
To understand the application of this term, consider the following biological classifications:
- Plant Kingdom: In the classification of flowering plants (Angiosperms), the order Polymoniales is grouped primarily based on floral characters. It includes families like Convolvulaceae and Solanaceae.
- Animal Kingdom: The order Carnivora includes families such as Felidae (cats) and Canidae (dogs). Despite their individual differences, they are grouped under Carnivora due to shared adaptive traits like specialized carnassial teeth and specific dietary niches.
5. Visual Representation of Taxonomic Rank
Final Solution: Order is a taxonomic category that occupies a rank above Family and below Class, comprising one or more related families that possess common, defining biological characteristics [Per Linnaean Taxonomy].
More Questions from Class 11 Biology The Living World EXERCISES
- Q1: Why are living organisms classified?
- Q2: Why are the classification systems changing every now and then?
- Q3: What different criteria would you choose to classify people that you meet often?
- Q4: What do we learn from identification of individuals and populations?
- Q5: Given below is the scientific name of Mango. Identify the correctly written name. Mangifera Indica Mangifera indica
- Q6: Define a taxon. Give some examples of taxa at different hierarchical levels.
- Q7: Can you identify the correct sequence of taxonomical categories?
- Q8: Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand, and bacteria on the other hand.
- Q9(i): Define and understand the following terms: (i) Phylum
- Q9(ii): Define and understand the following terms: (ii) Class
- Q9(iii): Define and understand the following terms: (iii) Family
- Q9(v): Define and understand the following terms: (v) Genus
- Q10: Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.
CBSE Solutions for Class 11 Biology The Living World
Chapters in CBSE - Class 11 Biology
- Biological Classification
- Plant Kingdom
- Animal Kingdom
- Morphology of Flowering Plants
- Anatomy of Flowering Plants
- Structural Organisation in Animals
- Cell – The Unit of Life
- Biomolecules
- Cell Cycle and Division
- Transport in Plants
- Mineral Nutrition
- Photosynthesis
- Respiration in Plants
- Plant Growth and Development
- Digestion and Absorption
- Breathing and Exchange of Gases
- Body Fluids and Circulation
- Excretory Products and Elimination
- Locomotion and Movement
- Neural Control and Coordination
- Chemical Coordination and Integration
Top Tutors who teach The Living World
Super Tutor
H C Sarani, Kolkata
18 yrs of
Exp
9 students
2071 hrs of classes completed
500
per hour
Online Classes
Tutor's home
Students of 11th standard faces major challenges in three segments: 1) Boolean Algebra & Logic Gates 2) Developing the programming logic and 3) Database Management System 4) Java/ Python
I am very thankful to sir for making all the conceps clear and taught in a very fruitful way. Thank you so much sir. Highly satisfied.
Alamganj, Patna
10 yrs of
Exp
Online Classes
I am an experienced English language and literature faculty. I completed my masters in MA from Patna University in the year 2016 and currently pursuing a PhD in English Literature. I am working as a Speaking Examiner with Cambridge Assessment English, UK. I have 10 years of experience in teaching Spoken English, BCom, BCA, BSc, BTech and Class X-XII selected subjects for ISC/ICSE, State and CBSE Board students. I have taught students of different age groups and demography. My classes are interactive and learner-oriented. I follow various aspects of training with special Emphasis on Pronunciation.
Top Tutor
Garia Baishnabghata Patuli Township, Kolkata
11 yrs of
Exp
5 students
1284 hrs of classes completed
400
per hour
Online Classes
Student's Home
I am a retired Mechanical Engineer. I have over 11 years of experience as online tutor(Math.)I am able to tutor all boards. I am fully conversant with Algebra, Geometry, Trigonometry, Calculus , Descriptive statistics.I have taken over 12000 math. sessions and fully confident to tutor students up to Class 12.i teach with skype, Bitpaper white board, advanced scientific calculator and different graph programs.
Top Tutor
Modipuram, Meerut
19 yrs of
Exp
11 students
603 hrs of classes completed
1500
per hour
Online Classes
Teaching Class 11 tuition was a stimulating experience, bridging foundational knowledge and advanced concepts. I specialized in physics subject, focusing on deepening students' understanding and critical thinking skills. My approach included interactive lessons, real-world applications, and problem-solving sessions to make abstract concepts tangible. Regular quizzes and personalized feedback helped track progress and address specific challenges. Emphasizing analytical skills and exam strategies, I prepared students for the academic demands of Class 12 and competitive exams. Witnessing their intellectual growth and increased confidence was immensely rewarding, making the effort invested in each student's success truly fulfilling.
I like her teaching method , and the way she taught all the concepts with the good examples and most I important that she understand the problems and understand our weakness with my personal experience she also helping in reschedule the class which I so good I like this class
Top Tutor
BARASAT, Kolkata
13 yrs of
Exp
2 students
37 hrs of classes completed
400
per hour
Online Classes
Tutor's home
I have total 13 years of teaching experience in the field of engineering education in various capacity in different best private engineering colleges and universities in West Bengal. Currently I am working as an Associate Professor in the Department of Computer Science and Engineering and also worked as the HOD of the Department in a renowned private University in Eastern India.
