Questions

1 Marks Question

Take a timed test

11 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark
What type of pyramid of biomass are there in the ocean?
Answer
Pyramids of biomass in ocean is often inverted.
View full question & answer
Question 21 Mark
Which terristrial biome is the most advanced form the point of view of vegetative development and biological community?
Answer
The tropical evergreen forest region is the most advanced in terms of vegetative development.
View full question & answer
Question 31 Mark
From which biotic component does the detritus food chain begin?
Answer
Dead remains of plants like leaves, bark, flowers and dead ramains of animals including feces etc.
View full question & answer
Question 51 Mark
What do you mean by secondary productivity?
Answer
The rate of new organic substances produced by the consumers and their assimilation is called secondary productivity.
View full question & answer
Question 61 Mark
What is called a food web?
Answer
Different food chains in the ecosystem are linked together to form a network which is called food web.
View full question & answer
Question 71 Mark
What is detritus food chain?
Answer
Detritus or saprophytic food chain begins with dead decaying organic matter and goes through the detritivores present in soil and reaches to the organisms that feed on detritivores. Example:
Dead and decay $\rightarrow$ Earthworm $\rightarrow$ Frog $\rightarrow$ Snake$\rightarrow$ Kite organnic matter
View full question & answer
Question 81 Mark
Wheat is predator or grazing food chain? Give a suitable example.
Answer
Predator or grazing food chain starts from green plants, moves through carnivores and ends at supreme carnivore or consumers. Therefore, it starts from smaller organisms and ends at bigger organisms. Appropriate example is of food chain in grassland:
View full question & answer
Question 91 Mark
What are converter and why are they called so?
Answer
Producers or autotrophs are called converter or transducer by Koromondy because they convert solar energy into chemical potential energy and store it in the form of organic substances.
View full question & answer
Question 101 Mark
What is meant by the function of ecosystem?
Answer
In ecosystem function refers to the flow of bio- energy and circulation of nutrients and minerals.
View full question & answer
Question 111 Mark
What do you mean by trophic level and food chain?
Answer
In nature, every living being is associated with other for obtaining food. One organisms depends on other organism. All living beings are the source of food. The level at which an organism is food, is called trophic level. One organism eats other and form a chain, called food chain. Each level in food chain is called trophic level.
View full question & answer