Biology 2023 Jamb Examination
Biology 2023 Jamb Examination
Question 81
The organism belongs to kingdom
The classification into kingdoms depends on characteristics such as cellular structure, nutrition, and organization. Without the specific diagram.
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Question 82
The formation of cilia and flagella in living cells is carried out with the help of
Centrioles are cylindrical structures involved in cell division and the formation of cilia and flagella. They act as basal bodies that give rise to the microtubule structure of these organelles. Ribosomes synthesize proteins, lysosomes aid digestion, and plastids are mainly for photosynthesis and storage.
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Question 83
The food nutrient with the highest energy value is
Lipids (fats and oils) provide the highest energy value, about 9 kcal per gram, which is more than twice that of proteins and carbohydrates (4 kcal per gram). Minerals do not yield energy but are essential for structural and regulatory roles in the body.
