MCQs Botany-28 Posted on March 9, 2025August 30, 2025Author agropublishers 0 1. What is the role of ATP in photosynthesis? Water splitting Carbon fixation Oxygen production Energy transfer 2. In a hypertonic solution, cells undergo ———- Endosmosis Active transport Exosmosis None of these 3. Tocopherols are a class of lipid-soluble compounds that are commonly referred to as ———- Vitamin D Vitamin E Vitamin C Vitamin A 4. What is leghemoglobin? An oxygen-carrying protein in root nodules of legumes, facilitating nitrogen fixation A pigment that absorbs light energy for photosynthesis A protein that stores nitrogen in plant cells An enzyme that catalyzes the conversion of atmospheric nitrogen to ammonia 5. ————— is the process of storing, analyzing, and interpreting large amounts of biological data, including genetic sequences, protein structures, and gene expression data Data science Systems biology Bioinformatics Computational biology 6. ———- is the family name of common cotton plant Solanaceae Malvaceae Gramineae Poaceae 7. What is the primary source of carbon for plants? None of these Methane Atmospheric CO₂ Soil organic matter 8. ——— is the first steroid hormone group discovered in plants Ethylene Abscisic acid Turgorins Brassinosteroid 9. Which hormone helps in breaking seed dormancy? Gibberellin Cytokinin Ethylene Abscisic acid 10. What is the major constituent of the protoplast? Carbon Water Cellulose Oxygen Loading …
