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