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? Facilitated diffusion Simple diffusion Osmosis Active transport 2. 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 15 10 20 3. _________ is the largest family of flowering plants None of these Asteraceae Fabaceae Poaceae 4. In plants hemicellulose provides_______ Structural support to the nucleus Elasticity and cross-linking in cell walls Energy storage in seeds Defense against pathogens 5. What is a common use of ginger in cooking? As a marinade As a flavor enhancer or spice As a primary sweetener As a thickening agent 6. o o o 7. 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) Ethylene (ET) Jasmonic Acid (JA) 8. The plant family Poaceae is more commonly known as _______ Grass family Lily family Pea family Mustard family 9. The primary function of silica in plant tissues is to ______ Store water Provide flexibility Strengthen cell walls and deter herbivory Support photosynthesis 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
