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Jamb Biology Past QuestionsQuestion 1786:The main structure in vertebrates that supports and protects the body is the A. Skeleton B. Ligament C. Muscle D. Joint Question 1787:The chitin in the exoskeleton of many arthropods is strengthened by A. Lids B. Proteins C. Calcium compounds D. Organic salt Question 1788:The transfer of pollen grains from the anther to a sigma is A. Propagation B. Placentation C. Pollination D. Fertilization Question 1789:The male reproductive organ of a flower is the A. Carpel B. Stamen C. Petal D. Sepal Question 1790:The gland that is found just below the hypothalamus is the A. Parathyroid B. Adrenal C. Pituitary D. Thyroid |
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