In a detritus food chain, the primary energy source is derived from:
Living plants
Sunlight
Chemosynthetic bacteria
Dead organic matter
Related Questions
The average trophic efficiency of transfer of energy from one trophic level to the higher trophic level is called
Assimilation efficiency
Exploitation efficiency
Lindemann’s trophic efficiency rule
Gross primary production
The tiger biomass is 10 kg in grass-deer-tiger food chain. The grass biomass will be
100 kg
2000 kg
One tonne
10 tonne
Food chain refers to
Number of humans forming a chain for food
Animals gathered near a source of food
Transfer of energy from producers to consumers
None of these
Organisms that obtain energy by consuming other organisms are called:
Consumers
Producers
Decomposers
Autotrophs
10 per cent law of energy transfer’ is applicable during the transformation of ____ to _____
Radiant energy, chemical energy
GPP, NPP
NPP, SP
SP, NPP
What percentage of Herbivores chemical energy is transferred to the chemical energy within the carnivore tissue?
1
0.5
0.01
0.1
Decomposers play a crucial role in energy flow by:
Producing their own food through photosynthesis
Consuming other organisms for energy
Breaking down organic matter and releasing nutrients
Converting sunlight into chemical energy
In a grassland ecosystem, if the producers have 10,000 kcal of energy, how much energy would be expected in the secondary consumers?
1000 kcal
100 kcal
10 kcal
1 kcal
Regarding 10% law
I. This law was put forward by Lindeman in 1942
II. According to this law, during the transfer of food energy from one tropical level to the other, only about 10% is stored at higher trophic level and the remaining 90% is lost in respiration, decomposition and waste in the form of heat
Which of the statements given above is/are correct?
Only I
Only II
I and II
None of these
The flow of energy in an ecosystem is:
Unidirectional
Bidirectional
Cyclical
Random
