MCQ
A person with type $A$ blood group may safely receive a transfusion of
- AТурe $-AB$
- ✓Type$-A$ and type $- O$
- CType$-A$ and type $- AB$
- DType$-AB$ and type $-O$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(A)$ The earliest organisms that appeared on the earth were nongreen and presumably anaerobes.
$(B)$ The first autotrophic organisms were the chemoautotrophs that never released oxygen.Of the above statements which one of the following options is correct?