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