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