ONLINE CANDIDATES : 128 
2020 WAEC GCE 1ST SERIES BIOLOGY PRACTICAL QUESTIONS AND ANSWERS
(2ci)
(i) because Enzymes are highly selective catalysts, meaning that each enzyme only speeds up a specific reaction
(ii) Some enzymes help break large molecules into smaller pieces that are more easily absorbed by the body
(2cii)
I. Temperature
ii. PH
iii. Enzyme concentration
(2ciii)
i.Enzymes are used in the food, agricultural, cosmetic, and pharmaceutical industries to control and speed up reactions in order to quickly and accurately obtain a valuable final product.
ii. Enzymes are crucial to making cheese, brewing beer, baking bread, extracting fruit juice, tanning leather.
iii. they are being used in the production of biofuels and biopolymers.
2ciii)
1. Enzymes are used in the food, agricultural, cosmetic, and pharmaceutical industries to control and speed up reactions in order to quickly and accurately obtain a valuable final product.
2. Enzymes are crucial to making cheese, brewing beer, baking bread, extracting fruit juice, tanning leather, and much more.
Categories: Waec Gce