MCQs Botany-9 Posted on 2024-06-302024-11-08Author admin 0 MCQs Botany-9 1. How do bryophytes typically obtain water and nutrients? Through stomata Through roots Through vascular tissue Directly from the environment via diffusion 2. —————- is also called free water in soil Hygroscopic water None of these Capillary water Gravitational water 3. There are total ——— essential elements are required for normal plant growth 9 20 12 17 4. ————- is the remains of ancient plants and animals that are converted into fossil fuels Sediment Kerogen Humus Biomass 5. Ozone-depleting substances include —————–. Methane Chlorofluorocarbon and chlorohydrocarbon Sulfur oxide Carbon dioxide 6. Which adaptation helps bryophytes conserve water? All of these Rhizoids Stomata Cuticle 7. What is the main characteristic of bryophytes? Non-vascular tissue Flower production Seed production Vascular tissue 8. Which photosynthetic pigment has the molecular formula C35H30MgN4O5? Phycocyanin Chlorophyll c Chlorophyll b Chlorophyll a 9. Which pigment is primarily responsible for the green color in plants and algae? Carotenoids Anthocyanins Phycobilins Chlorophyll a 10. During the —— period, gymnosperms dominated on earth Devonian Carboniferous Triassic Permian Loading …