MCQs Botany-2 Posted on 2023-04-292024-10-14Author admin 0 MCQs Botany-2 1. Concentration of nitrogen in the atmosphere is approximately ____________________________ 21% 0.9% 78% 0.04% 2. ____________ is the process of water uptake by roots Hydrolysis Transpiration Absorption Photosynthesis 3. ________ is the main energy-producing organelle in the cell Mitochondria Nucleus Ribosome Endoplasmic reticulum 4. __________ is the botanical name of the tomato plant Brassica oleracea Vitis vinifera Cucumis sativus Solanum lycopersicum 5. Golgi apparatus in a cell can perform ____________function Protein production To package and distribute proteins and lipids Genetic material storage Energy production 6. Soil texture can be defined as____________ Arrangement of soil particles Relative proportion of soil particles Segregation of soil particle Structural strength of soil particles 7. __________ is called seed dormancy The ability of the seed to remain in a dormant state The ability of the seed to disperse in the surroundings The ability of the seed to withstand extreme environmental stress The ability of the seed to germinate and produce a healthy and viable plant 8. Cell wall is a distinct feature of ___________ cell Eukaryotic cell Prokaryotic cell Plant Cell Animal Cell 9. __________ is the common name of Triticum dicoccum Winter wheat Emmer wheat Einkorn wheat Durum wheat 10. ________ cell lacks a well defined nucleus Prokaryotic cell Eukaryotic cell Plant Cell Animal Cell 11. ________ proposed germplasm theory None Von Baer Francis Galton August Weismann 12. Photorespiration takes place in ___________ Chloroplast, Peroxisomes, Mitochondria Peroxisomes Mitochondria Chloroplast 13. ___________ is sum total of all conditions surrounding us at a specific time and location Niche Ecosystem Weather Environment 14. _______ can be termed as soil structure Segregation of soil particle Arrangement of soil particles Structural strength of soil particles Relative proportion of soil particles 15. In plants________ is the movement of synthesized materials from leaves to other plant parts Absorption Adsorption Ascent of sap Translocation 16. Concentration of oxygen in the atmosphere is approximately ____________________________ 0.04% 78% 0.9% 21% 17. In plants________ are the chemicals synthesized during photosynthesis Photosynthates Nutrients Leachates Minerals 18. High temperature causes increased _______ , leading to plant water stress Evapotranspiration Evaporation Photosynthesis Transpiration 19. In plants,_____________ is called seed viability The ability of the seed to withstand extreme environmental stress The ability of the seed to disperse The ability of the seed to germinate and produce a healthy and viable plant The ability of the seed to store food and nutrients for the developing plant 20. _______ is the scientific name name for the peanut plant Cucumis sativus Brassica oleracea Arachis hypogaea Solanum tuberosum Loading …
