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