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