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