A specific place of an organism in the food chain is called as________

[SSC GD 2022]

Three of the following four are ecological pyramids, and therefore form a group. Which is the one that does not belong to that group?

[SSC GD 2022]

Synecology can be defined as which of the following?

[SSC CGL 2022]

In a food chain, __________ can be taken as the average value for the amount of organic matter that is present at each step and reaches the next level of consumers.

[SSC GD 2022]

What is the trophic level of dead organic matter in detritus food chain?

[SSC GD 2022]

Which among the following is a non-biodegradable waste?

[SSC CGL 2019]

Which cycle consists of sedimentary and gaseous cycles ?

[SSC CPO 2024]

What is the study of the interactions between living organisms and their environment called?

[SSC MTS 2024]

In a food chain, secondary producers are ___________.

[SSC CGL 2022]

_____ percent can be taken as the average value for the amount of organic matter that is present at each step of the food chain and reaches the next level of consumers.

[SSC CHSL 2022]

Cyanobacteria belong to the domain of:

[SSC MTS 2024]

The waste we generate is ______.
I. Biodegradable
II. Non-biodegradable

[SSC GD 2022]

In 1869, who named a new term ‘Oecologie’ that defined the study of the relationship of organisms with their environment?

[RRB NTPC CBT]

What happens to the decomposition rate when detritus is rich in lignin and chitin ?

[SSC CGL 2022]

Which of the following statements is correct?

[SSC CGL 2024]

Which of the following can degrade detritus into simpler inorganic substances?

[RRB NTPC CBT]

Identify an example of decomposers that are found in the bottom of a pond.

[SSC CGL 2022]

Identify a dark-coloured amorphous substance that is highly resistant to microbial action and undergoes decomposition at an extremely slow rate.

[SSC CGL 2022]

Which of the following is a tertiary consumer?

[SSC MTS 2022]

Which of the following options represents the correct flow of energy in an ecosystem?

[SSC MTS 2024]

Which microscopic, single-celled photosynthetic organisms are known as the primary producers of the ocean - the organisms that form the base of the aquatic food chains ?

[SSC MTS 2023]

Identify an example of organisms that do NOT belong to the third trophic level.

[SSC CGL 2022]

The microorganisms which convert the dead plants and animals to humus are known as_____________ .

[SSC MTS 2022]

What is the primary role of autotrophic organisms in an ecosystem?

[SSC MTS 2024]

In biological terms, _____ is a relationship between two organisms in which one organism benefits and the other is unaffected.

[SSC CGL 2019]

Except for the deep sea hydrothermal ecosystem, sun is the only source of energy for all ecosystems on Earth. What comes next in the energy food chain?

[SSC GD 2022]

Which of the following options is correctly matched ?

[SSC CPO 2024]

What is the name of the process of organic matter being broken down into simpler compounds by decomposers?

[SSC MTS 2024]

What causes decomposition of organic matter?

[RRB NTPC CBT]

Who among the following proposed the term ‘ecosystem’ ?

[SSC CGL 2022]

How is the distribution of species done in stratification?

[SSC GD 2022]

Which of the following statements is correct?

[SSC CGL 2022]

Vultures are:

[SSC CPO 2023]

The base of the ecological pyramid is usually broad and it narrows towards the _______.

[SSC GD 2022]

Vertical distribution of different species occupying different levels in an ecosystem is called _______.

[SSC MTS 2022]

Which of the following are the two basic categories of an ecosystem?

[SSC CGL 2024]

___________can be visualized as a functional unit of nature, where living organisms interact among themselves and also with the surrounding physical environment.

[SSC GD 2022]

The total number of living organisms, both plants and animals, in a given area, is called:

A new study by the researchers at the University of Würzburg suggests that bumblebees:

Which among the following is not a biotic component of an ecosystem?

Reduce, Reuse and _______ are the three R's to save the environment.

In which ecosystem are oil spills observed?

Which among the following is not an example of abiotic component?

Which of the following branch deals with the various principles that govern the relationship between organisms and their environment?

Identify the correct type of food chain.

Grass → Rabbit → Fox

Which among the following ecosystem has inverted biomass pyramid?

Identify the step that is NOT a part of decomposition. [Combined Graduate Level Examination Tier I 2022]

Which of the following options is correctly matched? [SICPO Paper I 2024]

The term 'ecology' is derived from the ______ word 'Oekologie'. [Constable GD 2021]

Which branch of ecology deals with the characteristics of ancient environment and their relationship with ancient plants and animals? [Combined Graduate Level Examination Tier I]