O Level Biology e-Book's MCQs - Complete
Heart: O Level Biology MCQs App Download & e-Book - 207
Apps:
MCQ:
Blood in pulmonary arteries is at a lower pressure than blood in aorta allowing
- tricuspid valve to shut
- bicuspid valve to shut
- gaseous exchange to effectively take place in lungs
- semi lunar valves to prevent backflow of blood
c
O Level Biology App & e-Book Tests PDF Download
Pesticides and O Level Biology Test 218
Structure of Mammalian Skin Test 219
Oxidation and Respiration Test 220
Decomposers in Nature Test 221
Glycogen Test 222
Dormancy and Seed Germination Test 223
Artificial Methods of Vegetative Reproduction Test 224
Nutrition and Glycogen Test 225
Male Reproductive System Test 226
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O Level Biology MCQs eBook Download
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