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