In a nitrogen-limited ecosystem, which of the following adaptations would be MOST advantageous for a plant?
Increased leaf surface area for enhanced light capture
Deeper root systems for accessing groundwater
Symbiotic association with nitrogen-fixing bacteria
Thicker cuticle to reduce water loss
Related Questions
The rate of nutrient cycling in an ecosystem is significantly influenced by all of the following EXCEPT:
The temperature and moisture conditions
The abundance and diversity of decomposer organisms
The rate of primary productivity
The wavelength of sunlight reaching the ecosystem
Another name of nutrient cycling is
Gaseous cycle
Sedimentary cycle
Biogeochemical cycle
Carbon cycle
What is the reason behind deficit rising in nutrient reservoir?
Due to imbalance in the rate of influx
Due to imbalance in the rate of efflux
Due to imbalance in the rate of influx and efflux
None of the above
Phosphorus is needed for the production of
DNA and RNA
Cellular membranes
Bones and teeth
All of these
The reservoir for the gaseous type of biogeochemical cycle exists in
Stratosphere
Atmosphere
Ionosphere
Lithosphere
The reservoir for the sedimentary cycle exists in
Earth crust
Organic sediments
Calcareous sediments
Limestone
What is true about the phosphorus cycle?
I. Rocks are the natural reservoirs of phosphorus
II. Weathering of sedimentary rocks makes phosphate available to the soil
III. Herbivores and carnivores obtain phosphorus from plant directly or indirectly
Choose the correct option
I and II
I and III
II and III
I, II and III
In a nitrogen-limited ecosystem, which of the following adaptations would be MOST advantageous for a plant?
Increased leaf surface area for enhanced light capture
Deeper root systems for accessing groundwater
Symbiotic association with nitrogen-fixing bacteria
Thicker cuticle to reduce water loss
Which of the following factor is contributing to an overload of the carbon cycle?
Photosynthesis
Cellular respiration
Deforestation
Aforestation
The major source of sulfur in the ecosystem is:
Atmosphere
Ocean water
Rocks and minerals
Volcanic eruptions
