Biology 2022 Jamb Examination
Biology 2022 Jamb Examination
Question 41
The beak structure of the organism is best adapted for?
The beak shown in the image is slender, elongated, and tubular, which is a classic adaptation for probing flowers to suck nectar. Birds such as hummingbirds or sunbirds possess this type of beak, allowing them to access nectar deep within flowers while simultaneously aiding pollination. This specialization reflects a coevolutionary relationship between nectar-feeding birds and flowering plants.
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Question 42
One of the functions of water in seed germination is to?
Water plays a crucial role in seed germination by softening the seed coat and activating metabolic processes. Specifically, it activates hydrolytic enzymes that break down stored food reserves (like starch and proteins) into simpler molecules. These are then transported to the growing embryo for energy and tissue development. Without water, the enzymes remain inactive and the seed stays dormant.
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