MCQ
When the affinity of ${O_2}$ and $C{O_2}$ for haemoglobin is compared, it is
- AMore for ${O_2}$
- ✓More for $C{O_2}$
- CEqual for both
- DHave no affinity at all
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$(a)$ In equisetum the female gametophyte is retained on the parent sporophyte.
$(b)$ In Ginkgo male gametophyte is not independent.
$(c)$ The sporophyte in Riccia is more developed than that in Polytrichum.
$(d)$ Sexual reproduction in Volvox is isogamous.
$(e)$ The spores of slime molds lack cell walls.
How many of the above statement are correct?