Terminal cytochrome of respiratory chain which donates electrons to oxygen is :
cytochrome b
cytochrome c
cytochrome a
cytochrome a3
Dendrochronology is the study of:
height of a tree
diameter of a tree
age of the tree by counting the number of annual rings in the main stem
none of the above
An open collateral bundle is one in which :
xylem and phloem are seprated by cambium;
xylem and phloem lie side by side
cambium occurs on the out side of bundle
cambium does not occur in the bundle
Agar-agar commonly used in bacterial cultures and medication is obtained from :
Sargassum
Gelidium
Ulothrix
Ulva
B.
Gelidium
Agar-agar is a mucilage producedby certain red algae. The main sources of Agar-agar in Japan are the thalli of Gelidium, Gracilaria and Gigartina. It is used in the prepration of certain medicines and in cosmetics, leather and textile industries.
Dikaryon formation is characteristic of :
ascomycetes and basidiomycetes
phycotnycetes and basidiomycetes
ascomycetes and phycomycetes
phycomycetes and zygomycetes
Prothallus of fem has :
antheridia and archegonia on lower surface
antheridia and archegonia on upper surface
antheridia on upper surface and archegonia on lower
antheridia on lower surface and archegonia on upper surface