Advertisements
Advertisements
Question
What is common to lantana Eichhomia and African catfish?
Options
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
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Give any 'two' examples of endangered species
Substantiate with the help of one example that in an ecosystem mutualists
are also one of the major causes of biodiversity loss.
Dodo bird, stellar sea cow and passenger pigeon are few examples of extinction due to ______.
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?
Currently, ______ mass extinction is considered to be the progressing at an alarming rate due to the loss of biodiversity.
Which of the following is/are endangered plant species?
IUCN means
What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?
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 |
List any two major causes other than anthropogenic causes of the loss of biodiversity.
How many Biodiversity hotspots have been identified around the world?
Name any two biodiversity hot spots in India.
Which of the following suits hotspots in ecological terminology?
Gametes of threatened species can be preserved in viable and fertile conditions for long periods using ______.
Match the species in Column I with its category in Column II.
| Column I | Column II |
| A. Rare species | I. No species |
| B. Vulnerable species | II. Facing a high risk of extinction |
| C. Endangered species | III. Localised species |
| D. Extinct species | IV. Species under threat |
Choose the correct answer from the options given below.
Mention any two places where the ex-situ conservation is undertaken.
The sixth extinction in progress currently is different from all previous extinctions on earth as it is ______.
Give definitions of Invasive species.
