A striking example of ______ is that of a ruminant animal such as a cow and the bacteria that live in its gut:

Related Mcqs:

1. An animal which captures and readily kills live animals for its food is known as:

   A. Predator
   B. Parasite
   C. Symbionts
   D. None of these

2. The bacteria, which reduce nitrates in the soil to gaseous nitrogen, are known as denitrifying bacteria such as:

   A. Nitromonas
   B. Pseudomonas
   C. Nostoc
   D. Rhizobium

3. The most striking difference between tropical rain forests and temperate forests is that:

   A. The tropical rain forests have preponderance of angiosperms while the temperate ones have preponderance of gymnosperms
   B. The trees of temperate forests are taller than these of tropical rain forests
   C. Plants of temperate forests are comparatively more mesophytic
   D. Tropical forests are comparatively homogenous

4. The species characteristics are an expression of the genetic make up of an animal species influencing the extend and nature of ______.

   A. Home range, breeding season
   B. Longevity, territory and the niche
   C. Both (a) & (b)
   D. None of these

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. Nitrification takes place only in well aerated soils because the bacteria responsible for it are:

   A. Aerobic
   B. Anaerobic
   C. Parasites
   D. None of these

7. The earth’s atmosphere in which organisms live, is called:

   A. Ecosystem
   B. Ectosome
   C. Biosphere
   D. Bioeconomic

8. In an ecosystem, bacteria are considered as:

   A. Microconsumers
   B. Secondary consumers
   C. Primary consumers
   D. None of these

9. Relationship between nitrogen fixing bacteria and a legume plant is described as:

   A. Mutualistic
   B. Parasitic
   C. Saprophytic
   D. Commensal

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

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