Paragraph Test - 25

Answer the questions according to the reading passages.

Many flowering plants charm insect pollinators and gently direct them to their most fertile blossoms by changing the color of individual flowers from day to day. Through color cues, the plant signals to the insect that It would be better off visiting one flower on its bush than another. The particular color tells the pollinator that the flower is full of far more pollen then are neighboring blooms. That nectar-rich flower also happens to be fertile and ready to disperse its pollen or to receive pollen the insect has picked up from another flower. Plants do not have to spend precious resources maintaining reservoirs of nectar in all the flowers. Thus the color-coded communication system benefits both plant and insect.

1. According to the passage ----.

 A) many flowering plants attract insect pollinators
 B) color is not important for the insect
 C) plants show their nectar to the insect
 D) the insect don't go from one flower to another
 E) plants have precious resources

2. It is obvious in the passage that ----.

 A) all the flowers are colourful
 B) changing colors indicates that some flowers have more pollen than other flowers
 C) when the plant is colourful, they are harmful
 D) plants don’t have nectar
 E) bright colors are more attractive

3. It is pointed out in the passage that ----.

 A) the color-coded communication system is useful for both plant and insect
 B) plants have to have nectar in all their flowers
 C) the cotor-coded system exists in all the plants
 D) the insect ignores the color coded system
 E) neighboring blooms have always more nectar

 

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