Which one of the following statements is true?
Correct answer: D. Pollen grains of some plants cause severe allergies and bronchial afflictions in some people
- A. The flowers pollinated by flies and bats secrete foul odor to attract them
- B. Honey is made by bees by digesting pollen collected from flowers
- C. Pollen grains are not rich in nutrients
- D. Pollen grains of some plants cause severe allergies and bronchial afflictions in some people
Explanation
A. Flowers pollinated by insects are large, colorful, and secrete fruity odor.B. Honeybees transform saccharides (carbohydrates) into honey by regurgitating it a number of times, until it is partially digested. The bees do the regurgitation and digestion as a group. After the last regurgitation, the aqueous solution is still high in water, the process continues by evaporation of much of the water and enzymatic transformation.C. Pollen grains are rich in nutrients.D. This is true as pollen grains cause allergies.
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