MCQs Botany-10 Posted on 2024-07-042024-11-08Author admin 0 MCQs Botany-10 1. A ——- is the stalk that connects an individual flower within an inflorescence to the main stalk of the inflorescence Receptacle Peduncle Pedicel Stalk 2. The ————- greatly enhances the ability of plant leaves to perform photosynthesis efficiently Number of veins Thickness of the cuticle Size of the stomata Arrangement of the mesophyll cells 3. ——– leaf venation has a single main vein (midrib) running down the center Parallel Reticulate Dichotomous Net-like 4. ——- is the arrangement of leaves on a stem Venation Leaf arrangement Phyllotaxis Leaf morphology 5. What is the advantage of cross-pollination? Requires less energy More reliable seed production Produces larger flowers Increases genetic diversity 6. The waxy coating on some fruits helps to: Attract pollinators Increase water loss Enhance photosynthesis Reduce water loss and spoilage 7. Which of the following nitrogenous bases are found in RNA? Thymine, Guanine, Cytosine, Adenine Adenine, Thymine, Guanine, Uracil Adenine, Thymine, Cytosine, Uracil Uracil, Guanine, Cytosine, Adenine 8. The process by which flowers respond to changes in water availability is called —- Hydrogenesis Hydroregulation Hydrotropism Hydromorphosis 9. Heterospary is a characteristic of ————- Equisetum Selaginella Lycopodium Ulva 10. In plant deficiencies in certain minerals can cause———— Discoloration of leaves Increased photosynthesis rate Faster transpiration Stronger cell walls Loading …