Differences between Terrestrial and Aquatic Pyramid of Energy

Q. Which among the following is an example of a lotic ecosystem?

1. Pond
2. Lake
3. River
4. Forest

Q. Which of the following is not used for construction of ecological pyramids ?

1. Fresh weight
2. Dry weight
3. Number of individuals
4. Rate of energy flow

Q. With reference to aquatic ecosystems, which of the following pairs are correctly matched?
1. Autotrophs - Zooplankton
2. Consumers - Phytoplankton
3. Decomposers - Fungi

1. Only 3
2. Only 2 and 3
3. Only 2
4. Only 1 and 3

Q.

What are the different types of terrestrial ecosystems and what are the organisms found in the forest ecosystem?

Q. Which are patterns arrangements in zonation of terrestrial and aquatic ecosystems?

Q. Data collected after survey in an evergreen forest patch was:
425 trees
2, 80, 000 primary consumers
2, 06, 000 secondary consumers
Which of the following pyramid of numbers correctly represents the data?

1. 
2. 
3. 
4. 

Q. Which of the following is not terrestial ecosystem?
Forest, Grassland, Aquarium, Desert

Q. The pyramid of energy in an ecosystem is always upright.

1. False
2. True

Q. Match the ecosystems with their respective type of pyramid:
(POB/N/E: Pyramid of Biomass/Numbers/Energy)

1. PON Upright
2. PON Spindle-shaped
3. POB inverted

Q. In an aquatic ecosystem, the organism present at the trophic level equivalent to cows in grasslands is?

1. Phytolanktons
2. Zooplanktons
3. Large fishes
4. Sea gulls

Q.

In general, herbivores and plants appear to be more adversely affected by competition than carnivores. Why?

Q. In a comparative study of terrestrial ecosystem and aquatic ecosystem, which of the following may be observed?

1. Number of trophic levels is usually more in terrestrial ecosystem than aquatic ecosystem
2. Number of trophic levels is usually less in terrestrial ecosystem than aquatic ecosystem
3. Both ecosystems always have the same number of trophic levels
4. Number of trophic levels are indefinite

Q.

What is meant by saying that the energy flow in an ecosystem is unidirectional?

Q. List any four practices which help in protecting our environment.

Q. Generally, how many trophic levels does a food chain have?

1. One
2. Two
3. Three
4. Three or four

Q. Which one of the following statements for the pyramid of energy is incorrect?

1. It shows energy content of different trophic level of organisms
2. It is inverted in shape
3. It is upright in shape
4. Its base is broad

Q. A pyramid of numbers is always upright.

1. True
2. False