STD 11 - 1. The living world — BIOLOGY STD 11 Science — Question

$(1)$ 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

$(1)$ ilium                          $(2)$ Pubis Freitag

$(3)$ Ischium                     $(4)$ Femur