Plant Physiology and Biochemistry MCQs with Answers

The process by which plants lose water vapor through stomata is ____.

The plant hormone involved in seed dormancy and stress responses is ____.

The phenomenon where plants bend or grow in response to touch is called ____.

The molecule that serves as the primary electron carrier in the light reactions of photosynthesis is ____.

The process by which plants respond to light direction is ____.

The process by which plants convert nitrate into ammonia during nitrogen assimilation is ____.

The part of a plant that regulates gas exchange and water vapor is the ____.

The process by which plants convert light energy into chemical energy in chloroplasts is ____.

The process by which water moves from roots to leaves through the xylem vessels is ____.

The plant hormone responsible for promoting cell elongation and growth is ____.

The primary pigment involved in photoprotection and energy dissipation in plants is ____.

The transport tissue responsible for carrying water and minerals from roots to shoots is ____.

The movement of sugars through a plant from source to sink is facilitated by ____.

The enzyme responsible for nitrogen fixation in leguminous plants is ____.

The plant hormone involved in promoting cell division and lateral growth is ____.

The enzyme responsible for converting pyruvate into acetyl-CoA in plant cells is ____.

The process by which plants convert nitrate ions into amino acids is ____.

The plant pigment involved in both photosynthesis and photoprotection is ____.

The type of transport in plants that moves sugars from a source to a sink is ____.

The plant hormone responsible for fruit ripening and senescence is ____.

The enzyme responsible for converting sucrose into glucose and fructose in plant cells is ____.

The process of converting light energy into chemical energy in photosynthesis is ____.

The process by which plants regulate water loss by closing stomata is ____.

The type of plant tissue that consists of undifferentiated cells capable of division is ____.

The process by which plants use ATP and NADPH to synthesize glucose during photosynthesis is ____.

The process of water movement through a plant against gravity is facilitated by ____.

The enzyme responsible for fixing carbon dioxide during the Calvin cycle is ____.

The specialized cells in plant roots that increase surface area for nutrient absorption are ____.

The process by which plants lose water vapor through stomata to create a pulling force is ____.

The process by which plants absorb and utilize mineral nutrients from the soil is ____.

The process by which plants respond to gravity is ____.

The sugar produced during photosynthesis that is transported throughout the plant is ____.

The structure in plants where the majority of photosynthesis occurs is the ____.

The process by which green plants use sunlight to synthesize food from carbon dioxide and water is called ____.

The plant pigment that protects chlorophyll from damage by excess light is ____.

The process by which plants release oxygen as a byproduct of photosynthesis is ____.

The pigment responsible for capturing light energy in photosynthesis is ____.

The plant hormone that stimulates root growth and differentiation is ____.

The specialized cells in plant leaves that regulate gas exchange and water loss are ____.

The process of breaking down stored starch into glucose in plant cells is ____.