9th Class Biology Notes Chapter 9 Long Questions PDF - Plant Physiology

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9th Class Biology Notes Chapter 9 Long Questions PDF - Plant Physiology

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Category: 9th Class Biology Notes (Punjab)

Author: Taleem360

Views: 24

Downloads: 5

Posted On: Aug 14, 2026

Last Updated: Aug 14, 2026

Publication Year: 2025

Academic Session: 2025-26 , 2026-27

Education Board: Punjab Board

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Overview

Download 9th class Biology chapter 9 "Plant Physiology" long questions notes in PDF. Get class 9 bio new PECTAA text book descriptive questions with detailed answers according to Punjab Boards new syllabus 2025-26 and onwards. Descriptive answers follow water from root to leaf as one connected story, so adhesion, cohesion and transpiration make sense together rather than as three separate facts.

Details

Descriptive questions for Unit 9, Plant Physiology, of the new 9th class Biology course. Descriptive answers for the whole unit, arranged topic by topic, with the textbook figures kept in.

Class: 9th (Matric Part 1)
Subject: Biology, English Medium
Unit 9: Plant Physiology
Question type: Descriptive, long answer questions
Answer style: definition, explanation, applications and examples under clear sub-headings
Syllabus: New PECTAA syllabus for Punjab Boards, sessions 2025-26 and 2026-27
Format: PDF, with the textbook figures kept in

Ground covered by these descriptive answers:

Transport of water and dissolved salts from root to leaf
Structure of xylem and phloem and the vascular bundle they form
Adhesion, cohesion and the ascent of sap up the plant
Transpiration, the factors that affect it, and its usefulness to the plant
Leaves as organs of excretion, and homeostasis in plants

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9th Class Biology Notes, Class 9 Biology Chapter 9 Long Questions, 9th Bio Long Questions Chapter 9, Plant Physiology Notes, 9th Class Biology New Syllabus Notes, Matric Part 1 Biology Notes, Class 9 Bio Notes PDF, Punjab Boards Biology Notes, Taleem360

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