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

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

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प्रश्न

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

A B
एक पंक्ति में उत्तर
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उत्तर

Both are invasive weed species

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 15: Biodiversity and Conservation - VERY SHORT ANSWER [पृष्ठ ११०]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
अध्याय 15 Biodiversity and Conservation
VERY SHORT ANSWER | Q 15. | पृष्ठ ११०

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Can you think of a situation where we deliberately want to make a species extinct? How would you justify it?


Suggest two practices giving one example of each, that help protect rare or threatened species.


Very short answer type question

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


Species that possess a very high risk of extinction due to rapid population decline of about 50 - 70 % over three generations is designated as ______.


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

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


Which of the following is not a cause for loss of biodiversity?


What is common to lantana Eichhomia and African catfish?


Which of these is NOT amongst the effects of loss of biodiversity?


What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?


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


Of the four major causes for the loss of biodiversity (Alien species invasion, habitat loss and fragmentation, over-exploitation and co-extinctions which according to you is the major cause for the loss of biodiversity? Give reasons in support.


List any two major causes other than anthropogenic causes of the loss of biodiversity.


Which of the following suits hotspots in ecological terminology?


When a species goes extinct in one area, it is often desirable to re-introduce the species from other populations. A major problem with this approach is that ______.


Decline in the population of Indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be catogoriesd as ______.


Which one of the following groups faces maximum threat of extinction? 


Give definitions of Endangered species.


Which one of the following is NOT one of the 'Evil Quartet' responsible for the loss of biodiversity?


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