Correct Option (B)
The Pitcher plant is an insectivorous plant that derives a significant portion of its nutrients, particularly nitrogen, by trapping and consuming insects and other small organisms. It achieves this through a specialized leaf structure modified into a pitcher-like shape, which acts as a pitfall trap. The pitcher contains digestive fluids or enzymes that break down the captured prey. This adaptation allows the plant to thrive in nutrient-poor soils, such as those found in bogs and marshy areas, where essential nutrients are scarce.
Incorrect Options
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Passionflower plant (Passiflora species) is a flowering plant known for its ornate flowers and fruits. It is not insectivorous and obtains its nutrients through photosynthesis and root absorption.
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Night queen (Cestrum nocturnum) is a fragrant flowering shrub. It is not an insectivorous plant and does not possess any mechanisms for trapping or digesting insects.
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Flame of the forest (Butea monosperma) is a deciduous tree recognized for its vibrant orange-red flowers. It is not an insectivorous plant and relies on conventional photosynthesis for its nutritional requirements.