Ssc Biology Chapter 2 Hand Note Exclusive Jun 2026

This tissue covers the body surface, lines internal organs, and forms glands. Epithelial cells are classified by their shape (squamous, cuboidal, columnar) and arrangement (simple, stratified).

A tissue is a group of cells sharing a common origin, structure, and function. Plant tissues are broadly divided into Meristematic and Permanent tissues.

A single, long projection carrying impulses away from the cell body. Covered by a myelin sheath. 5. High-Yield Exam Differences (Crucial for CQ) Plant Cell vs. Animal Cell Plant Cell Animal Cell Cell Wall Present (made of cellulose) Plastids Vacuole Large and centrally located Small or completely absent Centrosome Absent (mostly) Xylem vs. Phloem Conduction Transports water and minerals Transports synthesized organic food Direction Unidirectional (roots to leaves) Bidirectional (leaves to all parts) Main Cells Mostly dead elements (Vessels, Tracheids) Mostly living elements (Sieve tubes, Companion cells) Voluntary Muscle vs. Involuntary Muscle vs. Cardiac Muscle Voluntary Muscle Involuntary Muscle Cardiac Muscle Shape Cylindrical Spindle-shaped Cylindrical & Branched Striations Nucleus Multinucleated Single nucleus Single nucleus Control Conscious will Intercalated Disc 6. Board Exam Success Tips ssc biology chapter 2 hand note exclusive

: Lack a cell wall and plastids; they often have centrioles and smaller vacuoles. 4. Tissues: Groups of Specialized Cells SSC Biology Chapter 2 Notes | PDF - Scribd

But here is the problem: The textbook (Jibon O Jibon Prokria) has 15+ pages of dense information on this topic. Students drown in details. This tissue covers the body surface, lines internal

: Rod-shaped bodies near the nucleus that control spindle fibers during mitosis. II. Plant vs. Animal Cells

The nucleus directs all metabolic activities of the cell. It consists of four distinct parts: Plant tissues are broadly divided into Meristematic and

This tissue is the main component of the brain, spinal cord, and nerves. It is made up of specialized cells called that transmit electrical signals throughout the body.

It is divided into the Plasma Membrane, Cytoplasm, and Nucleus.

SSC Biology Chapter 2 Hand Note Exclusive: Cells and Tissues

Living cells with localized thickening of cellulose and pectin at the corners.