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