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