Step 1: Concept
Water relations in plant cells.
Step 2: Meaning
Defining cell states based on external solution concentration.
Step 3: Analysis
Isotonic solutions result in no net movement of water (I-B). Hypertonic solutions lead to plasmolysis (II-C). Hypotonic solutions cause osmotic movement (III-D). Colloid substances exhibit imbibition (IV-E).
Step 4: Conclusion
Matching I-B, II-C, III-D, and IV-E is the correct configuration.
Final Answer: (D)