question 16 correct answer is A
that is evolution of cytoskeleton
explaination
as in prokaryotes there was no nuclues.
chromatin material ( genetic material) were used to dispersed in the cell without any definite boundaries.
but in case of first eukaryotes the genetic material had definite boundaries.
this genetic material with definite boundaries is termed as nucleus.
and the main function of cytoskeletan is to provide the accurate position to all cell orgenelles starting with nucleus.
cytoskeletan is found in all cells of all domains of life. i.e archea , bacteria , eukaryotes.
question number 17.
correct answer is C
i.e decomposers
explaination
mode of nutrition of fungi is saprophytic that is fungi obtains its food from dead and decay plants and animals.
16. The fist ukaryotes evolved from ancestral rokaryotes by a process tat nwolved which of the...