(a)Describe briefly the process involved in the conversion of food to chyme in the stomach of a mammal.                                                                                                          
(b)Complete the table below by stating one enzyme, digestive juice, food acted upon and
end-product in the corresponding spaces.

One Enzyme	One juice	One food acted upon	One end-product
Pepsin (i) ----------- Lipase	(ii)--------------- (iii)--------------- (iv)---------------	(v) -------------------- (vi) ------------------- (vii) -------------------	(viii)------------------- Maltose (ix)-----------------------

                                                                                                                                               

(c) Describe an experiment to show that carbon dioxide is necessary for photosynthesis.