Advertisements
Advertisements
प्रश्न
Lichens are association of ______.
पर्याय
bacteria and fungus
alga and bacterium
fungus and alga
fungus and virus
Advertisements
उत्तर
Lichens are association of fungus and alga.
Explanation:
Lichens are an association of algae and fungi. This symbiotic relationship is mutualistic, where the algal component synthesizes organic food, which is utilized by both partners, while the fungal component offers water, minerals, and protection from desiccation and temperature extremes to the alga.
APPEARS IN
संबंधित प्रश्न
During .............. typs of interaction, both organisms are benefited
- mutualism
- competition
- commensalism
- parasitism
Explain mutualism with the help of any two examples.
Answer the following question.
Mention the term used to describe a population interaction between an orchid growing on a forest tree.
Answer the following question.
Mention the term used to describe a population interaction between an orchid growing on a forest tree.
Association between sea anemone and Hermit crab in gastropod shell is that of.
Give one example of interspecific competition.
Name the type of association: Hummingbirds and host flowering plants
The number of deaths under ideal conditions is known as ______.
What is ESS?
Explain any three important characteristics of population.
The interaction in nature, where one gets to benefit on the expense of other is _________.
Predation and parasitism are which type of interactions?
Identify the interspecific interaction in which species A is harmed and species B is unaffected.
Two species competing for the same resources, avoid competition by choosing different times for feeding, also known as ______
Statement I: If one or two species are lost, it may not affect proper functioning of ecosystem.
Statement II: Loss of key species causes serious threat to functioning of ecosystem. Choose the correct alternative with reference to the above statements
Identify the interspecific interaction which one species is benefited and other is neither banned nor benefited.
Substantiate by giving two reasons as to why a holistic understanding of the flora and fauna the cropland is required before introducing an appropriate biocontrol method.
Mycorrhizae are the example of ______.
In spite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?
Amensalism can be represented as ______
Amensalism is an association between two species where ______.
Which of the following is a partial root parasite?
What is the interaction between two species called?
What is brood parasitism? Explain with the help of an example.
Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct relation with those trees. Discuss the type of association the lianas have with the trees.
Give one example for the following type.
Biological control agent
Observe the set of 4 figures A, B, C and D and, answer the following questions
- Which one of the figures shows mutualism?
- What kind of association is shown in D?
- Name the organisms and the association in C.
- What role is the insect performing in B?
 Fig. (A) |
 Fig. (B) |
 Fig. (C) |
 Fig. (D) |
Discuss the various types of positive interactions between species.
In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.
Between which among the following, the relationship is not an example of
?
