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