MCQs Botany-35 Posted on October 21, 2025December 3, 2025Author agropublishers 0 MCQs Botany-35 1. During prolonged flooding or waterlogging, phytohormone _____________triggers the aerenchyma formation in the roots, enabling gas exchange and plant survival Salicylic Acid (SA) Ethylene (ET) Abscisic Acid (ABA) Jasmonic Acid (JA) 2. _________ is the largest family of flowering plants Fabaceae Asteraceae None of these Poaceae 3. Which of the following processes is most critical for a cell to maintain homeostasis by actively regulating the concentration of ions against a concentration gradient? Simple diffusion Facilitated diffusion Active transport Osmosis 4. The plant family Poaceae is more commonly known as _______ Lily family Grass family Mustard family Pea family 5. In plants hemicellulose provides_______ Energy storage in seeds Structural support to the nucleus Elasticity and cross-linking in cell walls Defense against pathogens 6. According to ISTA rules, for a seed lot consisting of containers, a minimum of ___________ primary samples are required to be taken in total from the seed lot 15 5 20 10 7. What is a common use of ginger in cooking? As a marinade As a primary sweetener As a thickening agent As a flavor enhancer or spice 8. The primary function of silica in plant tissues is to ______ Support photosynthesis Strengthen cell walls and deter herbivory Store water Provide flexibility 9. o o o 10. What is the primary function of the pollen tube in flowering plants? To nourish the developing embryo To transport male gametes to the egg cell for fertilization To generate male gametes To assist in seed dispersal Loading … Question 1 of 10
