Home
NCERT Soltions
Class 12
Biology
Organisms and Population
Name the association in which one species produces poisonous substance...

Name the association in which one specie | Class 12 Biology Chapter Organisms and Population, Organisms and Population NCERT Solutions

Question:

Name the association in which one species produces poisonous substance or a change in environmental conditions that is harmful to another species.

Answer:

Amensalism

It is the type of negative interaction in which one species causing harm to another species with its toxic secretion, often without gaining any benefit from the interaction. A good example of this interaction is when an organism produces antibiotic against another organism. Various molds, Penicillium, secrete chemicals that kills other bacteria in their vicinity (the area surrounding a particular place).

1
0
0
Report?

Report a problem on Specifications:

Email id:

Comments

< Previous Question

Next Question >

Popular questions of class 12 Biology

Q: What is spermatogenesis? Briefly describe the process of spermatogenesis.

Q: Why is reproduction essential for organisms? Answer

Q: Write a short note on
(a) Adaptations of desert plants and animals
(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
(d) Importance of light to plants
(e) Effect of temperature or water scarcity and the adaptations of animals.

Q: With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.

Q: What is DNA fingerprinting? Mention its application.

Q: Describe the structure of a seminiferous tubule.

Q: What is oogenesis? Give a brief account of oogenesis.

Q: What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.

Q: With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.

Q: Explain the Law of Dominance using a monohybrid cross.

Recently Viewed Questions of Class 12 Biology

The scientists believe that evolution is gradual. But extinction, part of evolutionary story, are 'sudden' and 'abrupt' and also group-specific. Comment whether a natural disaster can be the cause for extinction of species.

While creation and presence of variation is directionless, natural selection is directional as it is in the context of adaptation. Comment.

Q: What is vegetative propagation? Give two suitable examples.

What is meant by gene cloning?

If there are two pathogenic viruses, one with DNA and other with RNA, which would mutate faster? And Why?

Name the states involved in Ganga action plan.

(a) Discuss about the major programs that the Ministry of Environment and Forests, Government of India, has initiated for saving major Indian
rivers from pollution.
(b) Ganga has recently been declared the national river. Discuss the implication with respect to pollution of this river.

Why are oceans least productive?

Define ‘zero population growth rate’. Draw a age pyramid for the same.

Q: Differentiate the following and give examples of each:
(a) Innate and acquired immunity
(b) Active and passive immunity

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 Organisms and Population.
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 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 7: Name the association in which one species produces poisonous substance or a change in environmental ....

Name the association in which one specie | Class 12 Biology Chapter Organisms and Population, Organisms and Population NCERT Solutions

< Previous Question

Next Question >

Popular questions of class 12 Biology

Recently Viewed Questions of Class 12 Biology

Study Tips for Answering NCERT Questions:

Comments

Comment(s) on this Question

Chapters for Class 12 Biology

Subjects for Class 12

Students Also Read

Important links

Quick Links

Resources

Support