मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

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

Advertisements
Advertisements

प्रश्न

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

टीपा लिहा
Advertisements

उत्तर

An endangered species is a population of organisms, which is facing a high risk of becoming extinct because

  1. Its number is very low.
  2. It is threatened by changing environment.
  3. It is facing predator threat.

Endangered plant species-Venus fly trap

Endangered animal species-Siberian tiger.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 15: Biodiversity and Conservation - SHORT ANSWER [पृष्ठ १११]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
पाठ 15 Biodiversity and Conservation
SHORT ANSWER | Q 13. | पृष्ठ १११

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

Among the ecosystem services are control of floods and soil erosion. How is this achieved by the biotic components of the ecosystem?


Name and describe any three causes of bio-diversity losses.


Conservation of biodiversity is important for ______.


In which one of the following countries, the ‘Earth Summit’ was held?


Which of the following is the contractile protein of a muscle?


The Historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as ______.


What is common to the techniques;-

  1. In vitro fertilisation
  2. Cryopreservation
  3. Tissue
  4. Culture

Amazon rain forests are considered as 'Lungs of the planet' as they contribute ______ of the total oxygen in the earth's atmosphere.


Define the terms endemism


How is the presently occurring species extinction different from the earlier mass extinctions?


Humans benefit from diversity of life. Give two examples.


The region of biosphere reserve, which is legally protected and where no human activity is allowed is known as ______ .


Which one of the following is not a method of in situ conservation of biodiversity?


"Biodiversity plays a major role in many ecosystem services that nature provides."

Describe any two broadly utilitarian arguments to justify the given statement.


The red panda has been listed as an endangered species on the IUCN Red List since 2015. Regional captive breeding programmes have been established in the zoos around the world to protect the red panda from extinction.
  1. Classify the biodiversity conservation programme referred to above.
  2. Mention any other two methods of conservation which belong to the same category.

Explain the role of any two biocontrol agents by mentioning their target pests.


What is the role of sacred groves in conservation?


In Maharashtra a 24-hour toll free helpline number 1926 has been set up to provide  information regarding ______.


The discovery of useful genes for crop improvement in wild relatives of plants is an example of which type of benefit derived from biodiversity?


The right of future generations to enjoy natural biological wealth is an argument belonging to which category of conservation reasons?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×