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The term symbiosis was proposed by:
Related MCQs
The device or structure where plants are grown in a controlled environment:
When one population is harmed and the other remains unaffected the relationship is called:
Plants growing in oxygen deficient soils possess:
The relationship between the alga Cladophora and the snail shell on which it grows corresponds to:
The proto co-operation is also called:
As a result of fire, there is destruction of the following components of soil:
The following relationship does not correspond to mutualism:
The serotinous cones show:
When cane plants grown in the forest, they scamble over other vegetation and this corresponds to:
As an adaptation to fire, some plants produce lignotubres which are:
The interspecific competition is also called:
The relationship between the alga Microcystis and the surrounding fauna corresponds to:
The most interfering biotic components are:
Those chemicals, which are released by one organism but they destroy the other organism are precisely called:
Which of the following plants does not show predation?
Those chemicals which are produced by plants and affect other plants are broadly called:
The type of relationship where weaker partner is benefitted and stronger remains unaffected is sometime called:
Mark the hyperparasite:
Useful adaptation of hydrophytes is:
The ecologically fixed and genetically irreversed component of species is called:
More than 70% of world’s freshwater is contained in:
Study of relationship between communities and environment is called:
Possibilities of presence of coal in a particular area can be guessed by the study of:
MAB stands for:
In which region the juicy fruits are found?
During adverse season, thermophytes survive by:
Which one has feebly developed root system and numerous air cavities?
Reduction of mechanical and vascular tissue and poor roots are found in:
Plants die from prolonged water logging because:
Xerophytes are generally found in:
Relative to shoots, the roots can be very massive in plants of:
Endemic plants are those which grow in:
At which latitude, heat grain through insolation approximately equals heat loss through terrestrial radiation?
Plants of salty seashore wetlands are called:
Unutilized place for the growth of flora (vegetation) is:
The average amount of CO2 in atmosphere is:
Stratification is most complex in:
Eichhornia cressipes is a:
Mycorrhiza is the phenomenon of:
Which of the following does not have stomata?
Excessive aerenchyma is characteristic of:
A0 layer of soil contains
Which of the following is not a angiosperm?
Water-logged condition will quickly occur in which type of soil?
In water logged soil plants cannot grow properly because the soil is:
Water pores are found in which of the following plants?
Plants, such as Prosopis, Acacia, and Capparis represent examples of tropical:
Which of the following species are restricted to a given area?
Lichens are well known combination of an alga and a fungus where fungus has:
Fertility of soil is measured by its ability to:
The nature of the soil carried by river is:
The term symbiosis was proposed by:
A. Mc Dougal
B. Warming
C. Odum
D. de Bary
Correct Answer:
de Bary
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Last Updated:
May 22, 2024