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