In food chain initial organisms are:
Peacock eats a snake and snake eats frog and frog eats insect while insect eats green plant, then position of peacock is:
A food chain has the following trophic levels:
In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:
Source of energy in an ecosystem is:
Savannahs are:
The rate of storage of food energy at consumer level is called:
Which of the following is an artificial ecosystem?
Tip of ecological pyramid is occupied by:
When the number of organisms at successive levels are plotted, they assume the space of a pyramid. This is called the pyramid of:
Ten percent law of energy transfer, in a food chain was enunciated by:
Which part of the pond ecosystem does not affect by the temperature:
Relative biological effectiveness (RBE) is usually referred to damages caused by:
If phytoplanktons are destroyed from sea, then:
In food chain, herbivores are:
In an upright pyramid of biomass, the herbivores occupy the position:
The flora and fauna in lakes and ponds represents:
Which ecosystem has the highest primary productivity?
Which are the biotic components of forest ecosystem?
Energy enters into the ecosystem through:
The part of earth in which life exists is known as:
Which is the most stable ecosystem?
The greatest biomass of autotrophs in the world’s oceans is that of:
Biotic components of an ecosystem include:
Trophic levels are formed by:
The term ‘bio-coenosis’ was coined by:
The snakes are included under:
Food levels in an ecosystem are called:
Which of the following has the largest amount of energy?
In a terrestrial ecosystem such as forest maximum energy lies in which trophic level?
The main role of bacteria in the carbon cycle involves:
In an ecosystem in abiotic components which of the following occurs?
Ecosystem contains:
In natural ecosystem, decomposers include:
To eat and being eaten relationship is called:
Which of the following ecosystem has highest gross primary productivity:
The living organisms of all ecosystems collectively constitute:
The pyramid of number around a tree would be:
Which is the most stable ecosystem?
The number of individuals of a species in a particular ecosystem at a given constant due to:
Biological equilibrium is found among the:
In an ecosystem, bacteria are considered as:
In a biotic community, primary consumers are:
The rate at which light energy is converted into chemical energy of organic molecules is the ecosystem’s:
In desert grasslands, which type of animals are relatively more abundant?
In which of the following there is no difference?
Which one of the following elements is the critical limiting factors in the function of ecosphere because of its irretrievable loss in the ocear:
Which one of the following pairs is a sedimentary type of biogeochemical cycle?
The transfer of energy from one trophic level to another is governed by the 2nd law of thermodynamics. The average efficiency of energy transfer from herbivores to carnivores is:
One of the major difficulties in the biological control of insect pests is that:
Niche of a species in an ecosystem refers to its:

This is an inverted pyramid:

A. Pyramid of numbers in a grassland ecosystem
B. Pyramid of energy in a pond ecosystem
C. Pyramid of biomass in a grassland ecosystem
D. Pyramid of biomass in a pond ecosystem

Correct Answer: Pyramid of biomass in a pond ecosystem ✔

Last Updated: May 16, 2024