default_background
✕

Find the best tutors and institutes for Class 11 Tuition

Find Best Class 11 Tuition

Please select a Category.

Please select a Locality.

No matching category found.

No matching Locality found.

Q10:
Describe the arrangement of floral members in relation to their insertion on thalamus.

Solution :

1. Theoretical Foundation: The Floral Insertion

The arrangement of floral parts (sepals, petals, stamens, and carpels) on the thalamus, or receptacle, is classified based on the relative position of the gynoecium (ovary) with respect to the other floral whorls. This phenomenon is termed floral insertion or hypogyny, perigyny, and epigyny [Per Morphological Taxonomy].

2. Classification of Floral Insertion

Type Ovary Position Relative Position of Floral Whorls Example
Hypogynous Superior Thalamus is convex/conical; other whorls are below ovary. China rose, Mustard
Perigynous Half-inferior Thalamus forms a cup-shaped structure; whorls at the rim. Plum, Rose, Peach
Epigynous Inferior Thalamus grows upward, fusing with the ovary wall. Guava, Cucumber

3. Visual Representation of Floral Arrangement

Hypogynous Perigynous Epigynous

4. Detailed Analysis of Insertion Mechanisms

A. Hypogynous Flowers (Superior Ovary)

In this arrangement, the gynoecium occupies the highest position on the thalamus [By Definition of Superior Ovary]. The remaining floral parts, such as sepals, petals, and stamens, are inserted below the level of the ovary. The ovary is said to be superior because it is not fused with the other parts.

B. Perigynous Flowers (Half-inferior Ovary)

The thalamus grows upward, forming a cup-shaped structure known as the hypanthium. The gynoecium is situated at the center, while the other floral parts are located on the rim of the thalamus, essentially at the same level as the ovary. This placement results in a half-inferior ovary position.

C. Epigynous Flowers (Inferior Ovary)

The margin of the thalamus grows upward, completely enclosing the ovary and getting fused with its wall [Per Anatomical Fusion]. Because the other floral whorls (calyx, corolla, androecium) emerge from above the ovary, the ovary is referred to as inferior.

Final Solution: The arrangement of floral members on the thalamus is defined by the position of the gynoecium relative to the calyx, corolla, and androecium, categorized into hypogyny (superior ovary), perigyny (half-inferior ovary), and epigyny (inferior ovary) based on the growth pattern of the thalamic receptacle.


More Questions from Class 11 Biology Morphology of Flowering Plants EXERCISES


CBSE Solutions for Class 11 Biology Morphology of Flowering Plants


Chapters in CBSE - Class 11 Biology


Top Tutors who teach Morphology of Flowering Plants

(17)
Top Tutor
locationImg Narasapur, Gadag
experience 10 yrs of Exp students 1 student
greenClock 67 hrs of classes completed
rsIcon 350 per hour
Simplifying Physics Since 2011. Shaping NEET Achievers Today.
Online Classes Online Classes

I specialize in breaking down complex mathematical derivations, interpreting complex velocity-time or field graphs, and explaining the physical significance behind equations.Step-by-step algorithmic breakdown of complex integrals, visualizing 3D space geometries, and teaching the underlying logic of proofs.I break down intimidating, high-weightage topics into digestible sub-concepts. For example, before diving into complex Electromagnetic Induction problems, I ensure the student thoroughly grips Lenz's Law and magnetic flux concepts.

Skills: Physics
Also teaches: Class 12 Tuition, Class 8 Tuition and more

(44)
Top Tutor
locationImg Vesu, Surat
experience 20 yrs of Exp students 16 students
greenClock 2476 hrs of classes completed
rsIcon 500 per hour
"Mathematics Expert with 25 years of experience in teaching students. "
Online Classes Online Classes

I have experience teaching Mathematics to Grade 11 students with a focus on building a strong foundation for higher-level mathematics. I teach important topics such as Sets, Relations and Functions, Trigonometry, Complex Numbers, Quadratic Equations, Permutations and Combinations, Binomial Theorem, and Coordinate Geometry. My teaching method emphasizes clear explanation of concepts, step-by-step problem solving, and regular practice. I use examples from NCERT and previous exam questions to strengthen students’ understanding. I also conduct periodic tests and revision sessions to monitor progress and clear doubts. My aim is to develop logical thinking, improve problem-solving ability, and prepare students effectively for Grade 12 mathematics.

Ayushmann

Extremely beneficial classes. Virendra sir explains every topic in an easy to understand manner and starts the practice of questions from ncert to higher level.

Skills: Mathematics , Applied Mathematics
Also teaches: Class 12 Tuition, Class 9 Tuition and more

(8)
Top Tutor
locationImg Bapu Nagar, Jaipur
experience 3 yrs of Exp students 1 student
greenClock 8 hrs of classes completed
rsIcon 550 per hour
Gold medalist ,NET JRF, GATE qualified
Online Classes Online Classes

Allow me to introduce myself—I am deeply passionate about biology, particularly in the context of CBSE curriculum for classes 10th, 11th, and 12th. With a solid educational background including a BSc Honors and MSc in Microbiology, I bring a wealth of knowledge and expertise to my teaching endeavors. My journey into the world of education began two years ago, driven by my desire to share my love for biology with students and help them excel in their academic pursuits. Having qualified as a CSIR UGC NET and GATE trainer, I possess the necessary credentials and skills to guide students through their studies effectively. During my tenure at Apex School, I had the opportunity to make a meaningful impact on the lives of students, imparting knowledge and nurturing their curiosity about the wonders of biology. My dedication to my students' success was further validated when I achieved CSIR UGC NET JRF in 2019, as well as clearing the GATE exam, showcasing my proficiency in the subject matter. In my online classes, which typically last for one hour, I strive to create an interactive and engaging learning environment. Through carefully curated lesson plans and PowerPoint presentations, I aim to make complex biological concepts accessible and understandable to students of all levels. My teaching philosophy revolves around fostering critical thinking skills and a deep understanding of biological principles. I encourage active participation and discussion, allowing students to explore concepts in depth and develop a holistic understanding of the subject. As a mentor, I am committed to supporting my students' academic growth and helping them achieve their full potential. Whether they aspire to pursue further studies in biology or pursue careers in related fields, I am dedicated to providing them with the knowledge, skills, and guidance they need to succeed. In conclusion, my passion for biology and dedication to teaching make me a valuable asset to any student seeking to excel in their CBSE biology studies. With my expertise and support, I am confident that students can unlock their academic potential and achieve their goals in the fascinating world of biology.

Skills: Biology , Biotechnology
Also teaches: Class 8 Tuition, Class I-V Tuition and more

Sunita david Class 11 Tuition trainer in Delhi
(12)
Top Tutor
locationImg BURARI, Delhi
experience 20 yrs of Exp students 2 students
greenClock 85 hrs of classes completed
rsIcon 350 per hour
Having more than 30 yrs experience in school.Nurtured thousands of students.
Online Classes Online Classes

Have long experience in teaching class 11 political science. Students have scored good marks with my teaching and guidance.Have a very good bond with my students.

Madhav Budhiraja

She is the best teacher i have ever seen in my journey as a student the way she explains a topic is remarkable and unforgettable she has a big hand in shaping my personality i miss her teaching and she is a wonderful peroxide

Skills: Political Science

(24)
Top Tutor
locationImg Koramangala 8th Block, Bangalore
experience 8 yrs of Exp students 8 students
greenClock 96 hrs of classes completed
rsIcon 600 per hour
JEE, AS/A Level, IB HL/SL & IGCSE Maths Tutor | 8 Years Experience | PhD Math (Pursuing)
Online Classes Online Classes

I believe mathematics becomes easy once it is learned the right way. Currently pursuing a PhD in Mathematics with 8 years of teaching experience for JEE Main & Advanced, AS/A Levels, IB HL/SL, and IGCSE, CBSE, State Boards. I focus on conceptual understanding and problem-solving rather than rote learning. My goal is to help students think mathematically, build confidence, and truly enjoy the subject with patience and clarity.

Somnath Chakraborty

He communicates well and understand students problem. He has good knowledge about the subject and He delivers it well.

Also teaches: MSc Tuition, BSc Tuition and more

Other Subjects in CBSE - Class 11

Worksheet Icon

Download free CBSE - Class 11 Biology Morphology of Flowering Plants EXERCISES worksheets

Download Now

Find Best Class 11 Tuition ?

Find Now »