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 transport male gametes to the egg cell for fertilization To generate male gametes To nourish the developing embryo To assist in seed dispersal 2. o o o 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 5 20 10 15 4. In plants hemicellulose provides_______ Energy storage in seeds Elasticity and cross-linking in cell walls Defense against pathogens Structural support to the nucleus 5. _________ is the largest family of flowering plants Poaceae None of these Fabaceae Asteraceae 6. The plant family Poaceae is more commonly known as _______ Grass family Pea family Mustard family Lily family 7. 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 Osmosis Simple diffusion Facilitated diffusion 8. 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 9. The primary function of silica in plant tissues is to ______ Support photosynthesis Store water Provide flexibility Strengthen cell walls and deter herbivory 10. 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) Loading … Question 1 of 10
