An association between a fungus and an alga is known as:

Related Mcqs:

1. Lichens are well known combination of an alga and a fungus where fungus has:

   A. An epiphytic relationship with the alga
   B. A parasitic relationship with the alga
   C. A symbiotic relationship with the alga
   D. A saprophytic relationship with the alga

2. A symbiotic association between fungus and roots of higher plants is known as:

   A. Lichen
   B. Mycorrhiza
   C. Mutualism
   D. None of these

3. The relationship between the alga Microcystis and the surrounding fauna corresponds to:

   A. Amensalism
   B. Parasitism
   C. Predation
   D. Exploitation

4. The relationship between the alga Cladophora and the snail shell on which it grows corresponds to:

   A. Commensalism
   B. Predation
   C. Neutralism
   D. Mutualism

5. An association between two organisms belonging to different species, which live together for mutual benefit or on partner gets benefit and other, is neither benefited nor harmed is known as:

   A. Predation
   B. Parasitism
   C. Symbiosis
   D. None of these

6. The symbiotic association in which one partner gains benefit without benefiting or harming the other is known as:

   A. Commensalism
   B. Lichen
   C. Mutualism
   D. None of these

7. Mycorrhiza is a symbiotic association between:

   A. Algae and fungi
   B. Algae and bryophytes
   C. Algae and roots of gymnosperms
   D. Fungi and roots of higher plants

8. The association of nodule bacteria with leguminous roots is known as:

   A. Saprophytism
   B. Symbiosis
   C. Epiphytism
   D. Parasitism

9. Symbiotic association in which both the partners get benefit and neither cansurvive without the other is called:

   A. Mutualism
   B. Commensalism
   C. Parasitism
   D. None of these

10. The mycorrhizae present in association with higher plant roots are best described as:

    A. Keystone species
    B. Edge species
    C. Critical link species
    D. Edaphic pod species