Skip to content Home Questions Play Progress Daily Challenge Questions › Biology › Plant Physiology Questions QUESTION When a plant experiences a touch stimulus, how is the signal transmitted from one part of the plant to another? Open question → QUESTION During the day, what is the main driving force that moves water through the xylem? Open question → QUESTION The transport of soluble products of photosynthesis from leaves to other parts of a plant is called: Open question → QUESTION Which of the following events occurs at the beginning of the photosynthesis process in green plants? Open question → QUESTION During the process of photosynthesis in plants, which of the following substances is released as a waste product? Open question → QUESTION A single molecule of glucose contains how many carbon atoms? Open question → QUESTION In the source stomatal-apparatus diagram, two kidney-shaped guard cells surround a narrow central slit. The arrow labelled A ends on that central slit. What… Open question → QUESTION Which of the following is classified as a micronutrient required by crops from the soil? Open question → QUESTION In plants, which cells regulate the opening and closing of stomata on the leaf surface? Open question → QUESTION Through which process do plants mainly eliminate excess water from their system? Open question → QUESTION Which of the following actions is NOT a method by which insect pests damage crop plants? Open question → QUESTION Identify the life forms that rely on a host organism for their nutritional requirements (Parasitism): I. Cuscuta II. Ticks Open question → QUESTION Which plant part is chiefly responsible for carrying out photosynthesis? Open question → QUESTION What happens due to unequal growth of a plant tendril when it comes in contact with a support? Open question → QUESTION Which substances are commonly deposited as waste in the old xylem of plants? I. Resins II. Gums Open question → QUESTION In plant cells, what is the primary function of vacuoles related to waste handling? Open question → QUESTION Which of the following statements about plants is NOT correct? Open question → QUESTION Which complex is responsible for collecting light energy during photosynthesis? Open question → QUESTION Plants require nutrients for their growth which can be supplied through _______. Open question → QUESTION Consider the following statements about guard cells: 1. When water flows into guard cells, they become turgid, causing the stomatal pore to close. 2.… Open question → QUESTION Which of the following grains contain oryzenin? Open question → QUESTION Which natural bioactive water - soluble phenolic compound is present in Fruits, vegetables and grains with red, purple, blue or black hues? Open question → QUESTION Consider the following statements: 1. Pro-vitamin A, also known as Beta-carotene, is a plant pigment that gives carrots their orange color. 2. Deficiency of… Open question → QUESTION Which protein is found in grains? Open question → Home Questions Play Progress 