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 Pedicel Stalk Peduncle Receptacle 2. The waxy coating on some fruits helps to: Enhance photosynthesis Reduce water loss and spoilage Attract pollinators Increase water loss 3. ——– leaf venation has a single main vein (midrib) running down the center Dichotomous Reticulate Net-like Parallel 4. 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 5. The process by which flowers respond to changes in water availability is called —- Hydrogenesis Hydromorphosis Hydrotropism Hydroregulation 6. Heterospary is a characteristic of ————- Ulva Equisetum Lycopodium Selaginella 7. What is the advantage of cross-pollination? More reliable seed production Produces larger flowers Increases genetic diversity Requires less energy 8. Which of the following nitrogenous bases are found in RNA? Adenine, Thymine, Cytosine, Uracil Uracil, Guanine, Cytosine, Adenine Thymine, Guanine, Cytosine, Adenine Adenine, Thymine, Guanine, Uracil 9. In plant deficiencies in certain minerals can cause———— Increased photosynthesis rate Stronger cell walls Discoloration of leaves Faster transpiration 10. ——- is the arrangement of leaves on a stem Leaf morphology Leaf arrangement Venation Phyllotaxis Loading …