(a)[3]
Complete Fig. 2.1 by filling the boxes with the names of the missing parts of the mammalian nervous system.
(b(i))[1]
State the structure located at X.
(b(ii))[1]
State the type of involuntary action that the flow chart shows.
(b(iii))[2]
State two ways in which a voluntary action is unlike an involuntary action.
(c(i))[1]
State the conditions under which pots P and Q were kept.\n\nP\nQ
(c(ii))[2]
State the name of the growth response displayed by the seedlings in pot R.
(c(iii))[2]
Explain the advantage of this growth response for the seedlings.
(c(iv))[4]
Explain how auxins control the growth response shown by the seedlings in pot R.