Albugo is a:(a) obligate parasite(b) facultative parasite(c) symbiotic(d) facultative saprophyte

Facultative saprophyte is

A facultative parasite is one which?

An obligate root parasite is

An obligate stem parasite is

Facultative parasites are those which are ?

Parasites and Saprophytes

Note the following features and choose the ones applicable to Wuchereria bancrofti (a) Coelozoic parasite (b) Histozoic parasite ( c ) Monogenetic parasite (d) Digenetic parasite (f) Dimorphic pseudocoelomate parasite

Distinguish between parasitic mode of nutrition and symbiotic mode of nutrition.

Consider the following statements :- (i) Bacteria have rigid cell wall made up of cellulose (ii) Bacteria reproduce only by binary fission (iii) Ammonia is oxidised to nitrite by the bacteria Nitrosomonas (iv) Viruses are obligate parasites, cannot survive without host Which of the statements are correct and incorrect?