MCQ
A compound formed of a sugar and a nitrogen base, is called a:
- ANucleotide.
- BNucleic acid.
- CNucleoside.
- DDisaccharide.
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$(1)$ In liverworts, mosses and ferns gametophytes are free-living
$(2)$ Gymnosperms and some ferns are heterosporous
$(3)$ Sexual reproduction in Fucus, Volvoxand albugo is oogamous
$(4)$ The sporophyte in liveworts is more elaborate than that in mosses
$(5)$ Both Pinus and Marchantia aredioecious
How many of the above statements are correct?