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