Quiz_Plantae 1. The tallest living gymnosperm tree in the world belongs to : Sequoia sempervirens Eucalyptus globulus Pinus longaeva Wolffia punctata Explanation:Sequoia sempervirens, also known as the coast redwood, is the tallest living gymnosperm tree in the world. These trees can reach heights of over 300 feet. 2. A control measure prior to the appearance of a particular disease comes under : Prophylactic measure Therapentic measure Predisposition measure Curative measure Explanation:Prophylactic measures are preventive actions taken to prevent the onset of disease. These measures are implemented before any signs of the disease appear. 3. Vascular cryptogam is the term used for : Pteridophytes Algae Angiosperms Gymnosperms Explanation:Pteridophytes are called vascular cryptogams because they possess vascular tissues but do not produce seeds. This term distinguishes them from non-vascular cryptogams like algae and bryophytes. 4. Leaves of pea show white powdery patches due to the growth of fungal mycelium with conidia and conidiophores. These are the symptoms of : Damping off Blight Rust Mildew Explanation:Mildew refers to a fungal disease that presents as white or gray powdery patches on the surface of leaves and stems. It is caused by fungi such as Erysiphales. 5. Maximum diversity of life forms occurs in : Deserts Tropical rain forests Grasslands Temperate forests Explanation:Tropical rainforests have the highest biodiversity of any terrestrial ecosystem. They provide a wide range of habitats and resources, supporting a vast array of species. 6. Vascular tissue is found in : Bryophyta Thallophyta Lichens Pteridophyta Explanation:Pteridophytes have vascular tissues (xylem and phloem) that transport water and nutrients. This feature is absent in Thallophyta, Bryophyta, and Lichens. 7. Quarantine regulations are concerned with: Prevention of entry of diseased plants in the country Spraying of diseased plants with insecticides Promotion of dry farming in sandy soil Growing of fruit trees in every state Explanation:Quarantine regulations aim to prevent the introduction and spread of diseased plants into a country, thereby protecting local agriculture from potential outbreaks. 8. Red rot of sugarcane is caused by : Helminthosporium Puccinia Colletotrichum Ustilago Explanation:Red rot of sugarcane is a fungal disease caused by Colletotrichum falcatum. It is a major disease affecting sugarcane crops, leading to significant yield losses. 9. Liverworts are included in : Fungi Bryophyta Schizomycophyta Pteridophyta Explanation:Liverworts are a type of bryophyte. They are non-vascular plants that reproduce via spores and thrive in moist environments. 10. Seeds are characteristically found in : Pteridophytes Bryophyta Spermatophytes Fungi Explanation:Spermatophytes, or seed plants, produce seeds as a means of reproduction. This group includes both gymnosperms and angiosperms, unlike bryophytes, pteridophytes, and fungi. Loading …
