Question

Based on development stage, tissue can be ________.

• A. Apical and Intercalary meristems
• B. Meristematic and permanent
• C. Primary and Secondary meristem
• D. Apical, Intercalary and Lateral

Hint:

Think of Meristematic cells as versatile "stem cells" in an active state of training, and Permanent cells as graduated professionals fixed in their permanent career paths.

Answer 1

The Correct Option is B

Step 1: Understanding the Concept:
Plants grow through continuous cellular differentiation phases, changing their tissues from an active dividing state to a fixed functional state.

Step 2: Detailed Explanation:
When looking at the broad developmental lifecycle of a plant, its tissues are classified into two main structural stages:
• Meristematic Tissues: The early developmental stage consisting of young, immature cells that retain the continuous capacity for active cell division.
• Permanent Tissues: The mature developmental stage derived from meristems. These cells have lost their ability to divide and have taken up a specific, permanent shape, size, and physiological function. Options A, C, and D are subclassifications based on position or origin, not general developmental growth stages.

Step 3: Final Answer:
Based on the developmental stage, tissues are classified as meristematic and permanent.