MEDIUM
Earn 100

Give one difference between lentic and lotic ecosystems.

Important Questions on Ecosystem

EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
The amount of nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Who proposed that ecosystem is the symbol of structure and function of nature?
MEDIUM
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
All species of vultures in India are threatened with extinction. What is the most likely outcome if all vultures in India go extinct?
MEDIUM
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Choose the correct statements.
A) In the total cost of ecosystem services, soil formation accounts for 50%
B) During succession, some species colonize an area, and their population increases, but other species will disappear
C) In many desert plants, the CAM pathway enables the stomata to close during day time
D) In hydrophytes, long, slender and flexible stems are not found
MEDIUM
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Which one of the following is a characteristic feature of cropland ecosystem?
MEDIUM
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Identify the correct statements with reference to greater biodiversity in the tropics.
A. The duration of time available for species diversification is limited.
B. Solar energy and water resources are available in abundance.
C. Tropical climates are not constant and cannot be predictable.
D. Tropical latitudes have remained relatively undisturbed for millions of years.
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Which among the following is not a functional unit of the ecosystem?
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Identify the correct statement from the following.
MEDIUM
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Vertical distribution of different species occupying different levels in a biotic community is known as:
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Presence of plants arranged into well-defined vertical layers depending on their height can be seen best in:
HARD
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Which of the following is incorrect pair regarding cyclomorphosis in Daphnia?
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
The term ecosystem was coined by:
MEDIUM
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Study the following statements and select the correct ones:
I) In a thermally stratified lake, in winter, the upper layer is known as epilimnion.
II) Animals in a lake that are capable of swimming constitute neuston.
III) The natural interconnections of food chain forms a network called food web.
IV) Energy flow in an ecosystem is unidirectional.
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Biological equilibrium is found among the:
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Biological diversity increases with the productivity of an ecosystem. In which of the following habitats do we see the greatest diversity of species?
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Which of the following ecosystem has the maximum amount of biomass production?
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
Most animals that live in deep oceanic waters are:
EASY
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
An association of individuals of different species living in the same habitat and having functional interactions is:
MEDIUM
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
The zone at the edge of a lake or ocean which is alternatively exposed to air and immersed in water is called:
MEDIUM
Biology>Ecology>Ecosystem>Ecosystem- Structure and Function
What is the difference between a community or group of communities and an ecosystem?