learnbiology

Section 1: Introduction and Basics Plant physiology is the study of: a) Structure of plants b) Functions and processes in plants c) Plant diseases d) Plant classification ✅ Answer: b) Functions and processes in plants The movement of water through a plant from roots to leaves is called: a) Photosynthesis b) Transpiration c) Translocation d) Respiration ✅ Answer: b) Transpiration The process by which plants lose water vapor through stomata is called a) Absorption b) Transpiration c) Evaporation d) Guttation ✅ Answer: b) Transpiration The opening and closing of stomata are controlled by: a) Xylem vessels b) Guard cells c) Phloem vessels d) Root hairs ✅ Answer: b) Guard cells Which of the following helps in the upward movement of water in plants? a) Gravity b) Root pressure c) Osmosis d) Both b and c ✅ Answer: d) Both b and c Transpiration helps in: a) Cooling the plant b) Transport of minerals c) Water movement d) All of these ✅ Answer: d) A...