What is an endangered species? Give an e | Class 12 Biology Chapter Biodiversity and Conservation, Biodiversity and Conservation NCERT Solutions

Question:

What is an endangered species? Give an example of an endangered plant and animal species each?

Answer:

Endangered species are represented by the symbol ER. Endangered species are those which are small in numbers and facing high risk of extinction. When the population reduction occurs 50- 70%, population size is <2500 of mature individuals and contains approximately 20% extinction rate in the 20 years in the wild; these are said to be endangered species.

Red panda, Snow leopard, one horned Rhinoceros and Black buck are some animal’s species which are said to be endangered. Baobab tree, Dragon tree, Baseball plant are some examples of endangered plant species.

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

In a nucleus, the number of ribonucleoside triphosphates is 10 times the number of deoxy x10 ribonucleoside triphosphates, but only deoxy
ribonucleotides are added during the DNA replication. Suggest a mechanism.

What is meant by ‘hidden hunger’?

What are the shortcomings of ecological pyramids in the study of ecosystem?

What are Eurythermic species?

Draw a diagrammatic sketch of biogas plant, and label its various components given below: Gas Holder, Sludge Chamber, Digester, Dung+water chamber.

The term ‘desirable trait’ can mean different things for different plants. Justify the statement with suitable examples.

Based on your understanding of genetic code, explain the formation of any abnormal hemoglobin molecule. What are the known consequences
of such a change?

Drugs like LSD, barbiturates, amphetamines, etc., are used as medicines to help patients with mental illness. However, excessive doses and abusive usage are harmful. Enumerate the major adverse effects of such drugs in humans.

How do we compute the age of a rock?

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

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 Biodiversity and Conservation.
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 13: What is an endangered species? Give an example of an endangered plant and animal species each?....

What is an endangered species? Give an e | Class 12 Biology Chapter Biodiversity and Conservation, Biodiversity and Conservation 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