MCQs Botany-4 Posted on 2023-09-172024-11-08Author admin 0 MCQs Botany-4 Multiple Choice Questions (MCQs) for Test Preparation Botany, Plant Sciences 1. Chromosome number (2n) of Oats (Avena sativa) 42 12 24 14 2. Conversion liquid form of water to gaseous form, from any surface is called ___________ Guttation Evaporation Transpiration Run off 3. ___________ are plant structures, responsible for producing new cells Phloem Xylem Meristem Root hair 4. ____________ is the water exuded by plants, usually during overcast nights, under warm and moist soil conditions Relative humidity Fog Dew Guttation 5. The embryonic root that emerges first from the seed coat is ____________ Radicle Cotyledon Hypocotyl Coleoptile 6. _________ is the mutualistic relationships between fungi and the roots of plants Lichens Commensalism Mycorrhizae Mutualism 7. Imaginary lines running parallel to the equator is ___________ None of these Altitude Longitude Latitude 8. _________ is study of trees Dendrology Forest Ecology Plant Science Forestry 9. Chromosome number (2n) of Oryza sativa 42 24 14 12 10. ____________ is the study of plant pollen, spores and certain microscopic plankton organisms in both living and fossil form Phytogeography Permafrost Palynology Paleobotany 11. ____________ type of plants can have the lowest water use efficiency C3 Xerophytes C4 CAM 12. _________ is the process of growing plants in a specific shape or form None of these Training Thinning Pruning 13. ____________is major storage carbohydrate in seeds Arginine Glycogen Starch Cellulose 14. Chromosome number (2n) of Wheat (Triticum aestivum) 12 24 42 14 15. Plants can obtain nitrogen from the atmosphere through a process of ____________ Nitrogen fixation Denitrification Nitrification Transpiration 16. Rapid breakdown of enzymes can occur due to high ___________. Temperature Fog Moisture Rain 17. ____________is the water uptake for resumption of metabolic activities in seeds None of these Imbibition Dehiscence Osmosis 18. Loss of water through stomata is called ___________ Guttation Run off Evaporation Transpiration 19. Excessive exposure to UV radiation can cause damage to ____________ Cytoplasm Cell Membrane DNA Cell Wall 20. ____________ is the hormone responsible for apical dominance Ethylene Gibberellins Auxin Abscisic Acid Loading …