MCQ
The length of $DNA$ having $23 $ base pairs is
- A$70\, Å$
- B$78.4 \,Å$
- C$78.2\, Å$
- ✓$74.8 \,Å$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(1)$ Urine is hypertonic is distal convoluted tubule
$(2)$ When the urine passes into collecting tubule, it becomes hypotonic
$(3)$ Urine is isotonic in proximal convoluted tubule
$(4)$ Urine becomes more and more hypotonic as it passes through Henle’s loop
$(i)$ Ascidia' $(ii)$ Cockroach
$(iii)$ Earthworm $(iv)$ Prawn
$(v)$ Silver fish $(vi)$ Snail
$(vii)$ Squid