The fibre-like long, narrow, thick and lignified cells, usually pointed at both the ends, observed in crops namely jute, hemp, flax and coconut are known as (MPSC Main paper-2, 2017)

✅Explanation: Sclerenchyma cells are characterized by their thick, lignified secondary cell walls, providing structural support to the plant. They are often elongated and pointed at both ends, as described in the question.
📌 Other Options Explanations:
-Collenchyma: Cells with unevenly thickened primary cell walls, providing flexible support.
-Parenchyma: Thin-walled cells involved in various functions like photosynthesis and storage.
-Chlorenchyma: Parenchyma cells containing chloroplasts, specialized for photosynthesis.