List of top Botany Questions on Ecosystem

Choose the correct statement

Identify the regulatory services among the following:
A) Providing food
B) Soil formation by lichens
C) Water purification by microbes
D) Flood protection by mangroves
E) Conserving the biodiversity
F) Creating natural beauty

Assertion (A): Natural ecosystems perform fundamental life support services, without life would cease.
Reason (R): The dependence on the ecosystems is poorly understood and they can provide life enhancing services.

Arrange the following in a sequence in primary succession in water:
A: Sedges and grasses
B: Trees
C: Phytoplankton
D: Free floating plants