Lichen is usually cited as an example of | Class 11 Biology Chapter Plant Kingdom, Plant Kingdom NCERT Solutions

Current NCERT chapter

Academic session 2026-27, Chapter 3 in the current curriculum.

Welcome to the NCERT Solutions for Class 11 Biology - Chapter Plant Kingdom. This page offers a step-by-step solution to the specific question from Exercise 0, Question 3:

Lichen is usually cited as an example of ‘symbiosis’ in plants where an algal and a fungal species live together for their mutual benefit. Which of the following will happen if algal and fungal partners are separated from each other?
a. Both will survive and grow normally and independent from each other.
b. Both will die
c. Algal component will survive while the fungal component will die.
d. Fungal component will survive while algal partner will die. Based on your answer how do you justify this association as symbiosis.

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Question 3:

Lichen is usually cited as an example of ‘symbiosis’ in plants where an algal and a fungal species live together for their mutual benefit. Which of the following will happen if algal and fungal partners are separated from each other?
a. Both will survive and grow normally and independent from each other.
b. Both will die
c. Algal component will survive while the fungal component will die.
d. Fungal component will survive while algal partner will die. Based on your answer how do you justify this association as symbiosis.

Answer:

(b) Both will die

Mutualism is the symbiotic relationship between the two different species that gets benefits from each other. And, lichens shows the mutualistic association of algae and fungi.

Algae and fungi both are dependent on each other for their survival in symbiotic relationship. This is how, algal part synthesizes food for fungi and fungi takes up water and minerals for algae. Thus, in case if we separate them, both of them will die.

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 Plant Kingdom.
  • 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.

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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 3: Lichen is usually cited as an example of ‘symbiosis’ in plants where an algal and a fung....

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