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