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Un-Answered Questions { Botany }

what is the ecological importance of mycophytes?

2689


what is the non-congruent principle?

1361


Write a flora formula for a flower which has a variable number of sepals, 8 petals united at the base, 8 stamens united by their anthers, and an inferior ovary of 4 united carpels.

1286


Describe the structure of a catkin with regard to sex and completeness of the flowers.

1079


What things do you count in order to determine the number of carpels in a compound ovary?

1111


True or false: tubers and fruits of wild members of the Solanaceae may be safely eaten. Explain.

1207


Describe the unusual stamens in many members of the Ericaceae. What two corolla shapes are typical of the family?

1279


Which sex(es) of flowers in the Cucurbitaceae have nectary disks? Why?

2034


You have been provided with a set of plates of fungi isolated from a diseased leaf, one Chytridiomycota, one Zygomycota, one Ascomycota and one Basidiomycota. The signs of infection indicate that the disease has been caused by a member of Ascomycota which does not form a sexual stage easily. What features would you look for in your isolates to indicate if the target fungus was present?

1061


In cleared and stained root material you have seen structures that appear to be empty sacs in the epidermal cells with ostioles that exit to the soil. Which division are these fungi likely to be from?

1198


Toxin X is released only in mature spores of a single fungus and only when both alleles at a single locus are present. The toxin is never observed when the alleles are together in hyphae or modified hyphae. What division is the fungus found in?

1149


What causes sap to leak out of pine and maple trees?

1268


If you break off a piece of an aloe plant and put it in water, will roots grow and What is that type of propagation called?

1323


Does oxygen and hydrogen map up water?

1151


what is the application of induced auto ploypoidy in crop improvement ?

1102