Name: Gaseous Exchange in Plants
Uploaded: 2019-07-19
Duration: 5 min 44 s
Description: Plants do breathe. They also take in oxygen during respiration. CO2 is consumed during photosynthesis. The exchange of gases takes place through stomata - op...

Question

Have you seen yellow thread-like structures twining around the stem, branches, and leaves of some trees? Fig shows such a plant. What type of nutrition does that plant have?

Accepted Answer

The plants are autotrophic as they can prepare their food, however, some plants do not contain chlorophyll, therefore shows different modes of nutrition such as:

Parasitic mode of nutrition.

Saprophytic mode of nutrition.

Symbiotic mode of nutrition.

The picture given is showing a yellow, thread-like structure twining around the stem. This plant does not contain leaves, therefore do not have chlorophyll and can not prepare its own food by the process of photosynthesis. This plant shows a parasitic mode of nutrition. The plant on which it depends for the food is called the host. This plant is considered a destructive weed. This plant is named as Cuscuta and can be identified by its thin stems appearing leafless, with the leaves reduced to minute scales.

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