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