Advertisements
Advertisements
प्रश्न
What is common to the species shown in figures A and B?
 |
 |
| A | B |
Advertisements
उत्तर
Both are invasive weed species
APPEARS IN
संबंधित प्रश्न
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
Species that possess a very high risk of extinction due to rapid population decline of about 50 - 70 % over three generations is designated as ______.
Species that possess a very high risk of extinction due to population decline of about 30 - 50 % over past 10 years are categorized as _______.
Currently, ______ mass extinction is considered to be the progressing at an alarming rate due to the loss of biodiversity.
Which among the following is an exception to invasive species?
The extinction of passenger pigeon was due to ______.
Which among the following forests is known as the "lungs of the planet earth"?
Which of the following is/are endangered plant species?
What could have triggered mass extinctions of species in the past?
What criteria should one use in categorizing a species as threatened?
How can you, as an individual, prevent the loss of biodiversity?
List any three major causes of loss of biodiversity.
Which of the following suits hotspots in ecological terminology?
Consider the following statements:
- Statement I: Endemism and accelerated habitat loss are characteristics of biodiversity hotspots.
- Statement II: Gene bank is an in-situ method of biodiversity conservation.
Choose the correct answer from the options given below.
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.
