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The science of ecology has been defined as the study of the structure and function of nature by:
Related MCQs
Solum’ includes:
The rock cover of the earth is called:
Which of the following horizons has the maximum amount of organic matter?
A part of the rock forming material of the earth comprises:
The term ‘hexicology’ was proposed by:
The processes involved in the chemical weathering are:
A population of individuals of a species which are interfertile but differ genetically is called:
The biological weathering occurs due to the action of:
Which of the following is not taken into account in the study of ecology?
Soils transported by water are called:
The grasslands do not possess the horizon layers:
The hydrologic factor refers to:
The soil cover of the earth lies between:
Which of the following horizons is generally referred to as the illuvial zone?
Soils having sub-optimum concentration of nutrient solution are called:
Soil formation is initiated by the phenomenon of:
Soils transported by air is called:
The phenomenon describing the formation of a blue-grey coloured layer at the bottom of the solum due to ferrous compounds is:
What is the best pH of soil for cultivation?
Soil particles of size 0.03 mm belong to the class of:
The permanent aggregates of soil are called:
The term ‘chesard’ refers to:
Humus is:
Mark the rooted submerged hydrophyte:
Which of the following is a submerged floating hydrophyte?
The abbreviation CEC of soil broadly refers to:
The term sub-soil generally refers to:
The ration of volume of pores in the soil to the total soil volume is referred to as:
The science dealing with study of soil is called:
In coarse textured soils:
Melanization generally involves the following zone:
The acidity of soil is primarily due to
The term ‘holard’ refers to:
By chemical composition the humus has maximum percentage of:
The L- and H-layers are differentiated in:
Amount the following water plants, heterophylly is found in:
The mesofauna of the soil is constituted by:
The term ‘ecard’ refers to:
Which of the following is a malacophyllous xerophyte?
Mark the correct relationship:
Halophytes growing on mud are called:
Plants growing in marsh are called:
Mark the helophyte:
Plants growing on desert and steppe are called:
Plants growing on rocks are called on:
Plants growing on externally cold soil are called:
The mangrove plants are generally characterised by:
Mark the rooted submerged hydrophyte:
The mesophytes are characterised by:
Plant groups growing in zones where high temperature alternates with low temperature are called:
In which of the following groups, all the plants belong to the same category?
The science of ecology has been defined as the study of the structure and function of nature by:
A. Odum
B. Misra
C. Warming
D. Maeckel
Correct Answer:
Odum
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Last Updated:
May 22, 2024