Biology for WACE 2017 please study it. The source is real.

See I want u to study dis questions he gave it to us 
Nutrition
Explain the following.
Light stage reaction,
Dark stage reaction

Give five conditions necessary for photosynthesis
Briefly describe how to test for the presence of starch in leaf

2
Explain the role of the following in process of digestion.
Saliva
Ptyalin
Stomach
Pepsin&renin
Pancreas 
Bile

B
Explain the following
Parasitism
Carnivorous plant
Symbiosis
Commensialism

Respiration
A] Give two types of respiration
ll] With the aid of a well labelled equation explain aerobic respiration
B] Describe the mechanism of INHALATION EXHALATION
C] Mention five ways by which body loses heat to the environment
D] Mention five characteristics of respiratory surfaces
E] Name the respiratory structure for the following organism : mango tree 
Amoeba
Tilapia fish
Toad
Rat
Mosquitoes

3
Ecology
Explain the following
Ecosystem
Environment
Habitat
Ecological niche
Biotic factors
Abiotic factors
Atmosphere
Lithosphere
Hydrosphere
Biome