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