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

What is common to lantana Eichhomia and African catfish?

Advertisements
Advertisements

प्रश्न

What is common to lantana Eichhomia and African catfish?

विकल्प

  • All are endangered species of India 

  • All are key stone species 

  • All are mammals bound in India 

  • All the species are neither threatened nor indigenous species of India

MCQ
Advertisements

उत्तर

All the species are neither threatened nor indigenous species of India

Explanation:

All three of the species listed above are neither three atoned nor endemic to India. The foreign (exofic) species Lantana Eichhomia (water hyacinth) and the African catfish (clanasgariepinus) are both invasive and hazardous, resulting in the demise of indigenous species.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 15: Biodiversity and Conservation - MULTIPLE CHOICE QUESTIONS [पृष्ठ १०७]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
अध्याय 15 Biodiversity and Conservation
MULTIPLE CHOICE QUESTIONS | Q 11. | पृष्ठ १०७

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Substantiate with the help of one example that in an ecosystem mutualists 

are also one of the major causes of biodiversity loss. 


Very short answer type question

What do you understand by the EW category of a living being?


Enlist any six categories into which a given species is placed once it has been thoroughly evaluated by IUCN.


Match the following and choose the correct alternative.

  Column I   Column II
i. Not evaluated a. Pervasive and abundant after careful assessment
ii. Near threatened b. Information related to risk of extinction is lacking in some way
iii. Least concern c. Described by scientist but not assessed by the IUCN
iv. Data deficient d. May meet the criteria for threatened status in the near future

Acronym for IUCN is ____________.


Species that possess a high risk of extinction with very few surviving members (50) are categorised as ____________ by the IUCN.


Which among the following is/are the type( s) of extinction of species?


Threatened species are those which ______.


What are the major factors that are responsible for the loss of biodiversity? What steps are needed to prevent them?


Which of the following is/are endangered plant species?


Which of the following are major causes of species losses in a geographical region?


What could have triggered mass extinctions of species in the past?


What is common to the species shown in figures A and B?

A B

How many Biodiversity hotspots have been identified around the world?


"Forests provide intangible benefits to us." Explain by taking three different areas, how.


Which of the following suits hotspots in ecological terminology?


Give definitions of Invasive species.


Which type of extinction is characterised by species disappearing through natural environmental changes or evolutionary processes over a slow, long-term period?


Which of the following animals is correctly categorised as 'Vulnerable' under the IUCN Red List?


In the IUCN Red List, which category represents species that are 'likely to become threatened soon'?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×