Who published the logistic equation model of population growth in 1838? [Combined Graduate Level Examination Tier I]

On the basis of status of development, how are resources classified? [Constable GD Examination 2022]

What is a population (or subspecies or race) that is adapted to local environmental conditions called? [SICPO Paper I 2024]

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]

Which statement is NOT correct regarding the food chain? [CHSL 2021 Tier I]

What do you call the rate of formation of new organic matter by consumers? [Combined Graduate Level Examination Tier I 2022]

The species that ______ a bare area are called pioneer species. [Constable GD Examination 2022]

Synecology can be defined as which of the following? [Combined Graduate Level Examination Tier I 2022]

Which of the following statements is correct? [Combined Graduate Level Examination Tier I 2022]

______ includes all non-living components, such as air, cloud, dust, land, mountains, rivers, temperature, humidity, water, water vapour, sand, etc. [MTS Non technical and Havaldar Examination 2021]

Which cycle consists of sedimentary and gaseous cycles? [SICPO Paper I 2024]

Which of the following is a biodegradable form of solid waste?
[Constable GD 2021]

How is the distribution of species done in stratification? [Constable GD Examination 2022]

Which of the following is not an environment function?

[SSC MTS 2022]

___________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]

Identify a mobile source of food.

[SSC CPO 2024]

In Which year did Ernst Haeckel introduce the term ‘ecology’ to describe the economies of living forms?

[SSC CPO 2023]

What is the study of interactions between a living organism and its environment?

[SSC MTS 2022]

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

[SSC GD 2022]

Which Greek term was first used by Ernst Haeckel in 1866 to refer to ‘the relation of animals to both the organic as well as the inorganic environment’ ?

[SSC CPO 2024]

Which of the following is an example of an artificial ecosystem?

[RRB NTPC CBT]

______ refers to a sanitation system in which toilets collect human excreta in sealable, removable cartridges that are transported to treatment facilities.

[SSC CGL 2021]

Excessive use of synthetic fertilizers leads to:

[SSC GD 2022]

In the context of ecology, the given equation shows the relationship between the size of an area and the number of species present in it. Accordingly, by which letter is the regression coefficient denoted?
log S = log C + Z log A

[SSC CHSL 2023]

______ is an environmental policy under which producers are given a significant responsibility – financial and/or physical – for the treatment or disposal of products that are no longer useful to the consumer

[SSC CGL 2021]

Which of the following can be represented as a functional unit of nature?

[SSC CGL 2024]

One term for the continuous movement of water through the lithosphere, atmosphere and hydrosphere is:

[SSC CPO 2024]

Which of the following is a man-made ecosystem?

[SSC CGL 2024]

Which ecologist showed in a long-term experiment on outdoor plots that biodiversity is of central importance to the productivity, stability, resistance to the invasion of ecosystems and fertility of their soils?

[SSC CHSL 2023]

Which branch of ecology deals with the characteristics of the ancient environment and their relationship with ancient plants and animals?

[SSC CGL 2024]

Who was the first ecologist to describe the specific shape of eco-trophic interactions, Which he called the pyramid of numbers, in the 1920s?

[SSC CPO 2023]

Which one of the following is not an environmental factor that determines the rate of release of nutrients to the atmosphere?

[SSC GD 2022]

In the following group of materials, which group contains only non-biodegradable materials?

[RRB NTPC CBT]

Which of the following is the best definition of ecological efficiency?

[SSC CGL 2024]

What is a population (or subspecies or race) that is adapted to local environmental conditions called ?

[SSC CPO 2024]

What do you call the rate of formation of new organic matter by consumers ?

[SSC CGL 2022]

Who published the logistic equation model of population growth in 1838 ?

[SSC CGL 2024]

Which ecosystem is the only one that does NOT thrive on solar energy?

[SSC CPO 2023]

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

[SSC CGL 2024]

Where does hydrarch succession take place?

[SSC GD 2022]

What is the set of ecosystem called?

[SSC CGL 2022]

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

[SSC MTS 2022]

Vultures are:

[SSC CPO 2023]

______ is concerned with constructing records of past climates and climatic events by analysis of tree growth characteristics, especially growth rings.

[SSC CGL 2021]

Which of the following is NOT abiotic?

[SSC CGL 2021]

Which of the following is an agricultural waste?

[RRC GROUP D]

Select the second step of decomposition.

[SSC GD 2022]

Which of the following options is correctly matched?

Which Greek term was first used by Ernst Haeckel in 1866 to refer to ‘the relation of animals to both the organic as well as the inorganic environment’?

Which among the following is an example of Primary consumers?