Question
An example for non photosynthetic organ of the plant :
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CUET PG 2026 Agri-Business Management Question Paper (25-Mar-2026) (Shift 2)
The correct answer is
Tubers
Understanding Photosynthesis and Plant Organs
Photosynthesis is the process plants use to create food, primarily occurring in chlorophyll-rich parts like leaves.
A non-photosynthetic organ is a plant part that does not perform photosynthesis. We need to identify which of the given options fits this description.
Analyzing Plant Organ Options
- Tubers: These are modified underground stems (like potatoes) or roots that store food reserves. They lack chlorophyll and are not involved in photosynthesis.
- Leaf: The primary site for photosynthesis in most plants due to the presence of chlorophyll.
- Stem: While green stems can photosynthesize, their main role is support. Leaves are the main photosynthetic organs.
- Leaf Sheath: The base of a leaf surrounding the stem; may contain some chlorophyll but is less significant for photosynthesis than the leaf blade.
Identifying the Non-Photosynthetic Organ
Comparing the options:
- Leaves are photosynthetic.
- Stems can be photosynthetic but are primarily structural.
- Leaf sheaths can perform some photosynthesis.
- Tubers are specialized storage organs, typically underground, and do not carry out photosynthesis.
Therefore, tubers serve as a clear example of a non-photosynthetic plant organ.
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