A location with luxuriant growth of lichens on the trees indicates that the
trees are very healthy
trees are heavily infested
the location is highly polluted
the location is highly polluted
A species facing extremely high risk of extinction in the immediate future is called
Vulnerable
endemic
critically endangered
critically endangered
Which of the following represent a maximum number of species among global biodiversity?
Algae
Lichens
Fungi
Fungi
Which one of the following is a characteristic feature of cropland ecosystem?
Least genetic diversity
The absence of weeds
Ecological succession
Ecological succession
Which one of the following is not used for ex-situ plant conservation?
Field genebanks
Seed banks
Shifting cultivation
Shifting cultivation
An example of ex-situ conservation is
National Park
Seed bank
wildlife Sanctuary
wildlife Sanctuary
Which is the National Aquatic Animal of India?
River dolphin
Blue whale
Sea-horse
Sea-horse
Which of the following is the most important cause of animals and plants being driven to extinction?
Alien species invasion
Habitat loss and fragmentation
Co-extinctions
Co-extinctions
The species confined lo a particular Region and not found elsewhere is termed as
Keystone
Alien
Endemic
Endemic
Match the following and select the correct option.
Column I
|
Column II |
||
a |
Earthworm |
1. |
Pioneer species |
b. |
Succession |
2. |
Detritivore |
c. |
Ecosystem service |
3. |
Natality |
d. |
Population growth |
4. |
Pollination |
A |
B |
C |
D |
1 |
2 |
3 |
4 |
A |
B |
C |
D |
4 |
1 |
3 | 2 |
A |
B |
C |
D |
3 |
2 | 4 | 1 |
A |
B |
C |
D |
3 |
2 | 4 | 1 |