MCQ
When a normal heart is injected with physiological concentration of adrenalin, it shows
- ADecreased rate
- BSystolic arrest
- CSustained increased rate
- ✓First increased rate than normal rate
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $I$ | Column $II$ |
| $(A)$ Limbless reptile | $(i)$ Lamprey |
| $ (B)$ Jawless vertebrate | $(ii)$ Salamander |
| $ (C)$ Amphibian | $(iii)$ Snake |
| $(D)$ Cartilaginous fish | $(iv)$ Shark |
| $ (E)$ Flightless bird | $(v)$ Ostrich |
Match items in column I with those give in column II