Sunflower is not a flower. Explain. | Class 11 Biology Chapter Morphology of Flowering Plants, Morphology of Flowering Plants NCERT Solutions

Question:

Sunflower is not a flower. Explain.

Answer:

Sunflower is not a flower but it is bunch of flower called inflorescence. It is a type of inflorescence called capitulum which is a modified raceme in which the main axis is flattened known as Receptacle. It may be concave, convex, spherical or flat and bears numerous small sessile flowers called florets. On receptacle two kinds of florets are present:

Ray florets
Disc florets

Inflorescence is surrounded by whorl of bracts known as involucre. Ray florets are on the rim of receptacle. These are of yellow colour. Disc florets are in the center and are bisexual and actinomorphic.

1
0
0
Report?

Report a problem on Specifications:

Email id:

Comments

< Previous Question

Next Question >

Popular questions of class 11 Biology

Q: Describe briefly the four major groups of Protozoa.

Q: Why are living organisms classified?

Q: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria

Q: What is the difference between direct and indirect development?

Define a taxon. Give some examples of taxa at different hierarchical levels.

Q: Describe the important properties of enzymes.

What are the steps involved in formation of a root nodule?

Q: Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.

Q: How is a key helpful in the identification and classification of an organism?

Q: What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.

Recently Viewed Questions of Class 11 Biology

Q: What is the significance of meiosis?

Q: Can you describe what happens when milk is converted into curd or yoghurt from your understanding of proteins?

Q: Find and write down structures of 10 interesting small molecular weight biomolecules. Find if there is any industry which manufactures the compounds by isolation. Find out who are the buyers.

Q: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria

Q: What is the significance of step-wise release of energy in respiration?

Nucleic acids exhibit secondary structure, justify with example.

Q: Name different types of teeth and their number in an adult human.

Q: Take one flower each of families Fabaceae and Solanaceae and write its semi-technical description. Also draw their floral diagrams after studying them.

Q: Suppose there were plants that had a high concentration of Chlorophyll-b, but lacked chlorophyll-a, would it carry out photosynthesis? Then why do plants have chlorophyll-b and other accessory pigments?

Q: How do the various leaf modifications help plants?

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

Read the question carefully and focus on the core concept being asked.
Reference examples and data from the chapter when answering questions about Morphology of Flowering Plants.
Review previous year question papers to get an idea of how such questions may be framed in exams.
Practice answering questions within the time limit to improve your speed and accuracy.
Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Comments

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 6: Sunflower is not a flower. Explain.....

Sunflower is not a flower. Explain. | Class 11 Biology Chapter Morphology of Flowering Plants, Morphology of Flowering Plants NCERT Solutions

< Previous Question

Next Question >

Popular questions of class 11 Biology

Recently Viewed Questions of Class 11 Biology

Study Tips for Answering NCERT Questions:

Comments

Comment(s) on this Question

Chapters for Class 11 Biology

Subjects for Class 11

Students Also Read

Important links

Quick Links

Resources

Support