NCERT Solutions for Class 11 Biology Chapter 7 Structural Organization in Animals These Solutions are part of NCERT Solutions for Class 11 Biology. Here we have given NCERT Solutions for Class 11 Biology Chapter 7 Structural Organization in Animals. Question 1. Answer in one word or one line. (i) Give the common name of Periplaneta americana. (ii) How many spermathecae … [Read more...] about NCERT Solutions for Class 11 Biology Chapter 7 Structural Organization in Animals