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Transport in Plants
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Transport in Plants
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25 Questions

1. Phenyl mercuric acetate (PMA) resultsin [1988]
2. Potometer works on the principle of[2005]
3. The water potential and osmoticpotential of pure water are [1998]
4. Transpiration is least in [1988]
5. Conversion of starch to organic acidsis required for [1992]
6. Which is produced during waterstress that brings stomatal closure[1993]
7. Guard cells help in: [2009]
8. In soil - the water available for rootabsorption is [1991 - 99]
9. Which of the following plant is foundto have minimum transpiration [2001]
10. Active and passive transports acrosscell membrane differ in [1993]
11. Sulphur is an important nutrient foroptimum growth and productivity in[2006]
12. When water moves through a semipermeable membrane then which of thefollowing pressure develops? [2001]
13. Movement of ions or molecules in adirection opposite to that of prevailingelectrochemical gradient is known as[2000]
14. Water potential in the leaf tissue ispositive (+) during [1997]
15. Guttation is mainly due to [1992]
16. Stomata of a plant open due to[2003]
17. Guttation is the result of: [2011M]
18. The core metal of chlorophyll is[1997]
19. Plants die from prolonged waterlogging because [1997]
20. Water potential is equal to [1988]
21. Which of the following criteria doesnot pertain to facilitated transport?[NEET 2013]
22. With increase in the turgidity of acell surrounded by water the wallpressure will [1997]
23. Bidirectionaltranslocationminerals takes place in [1997]
24. The ability of the Venus fly trap tocapture insects is due to: [2005]
25. Dough kept overnight in warmweather becomes soft and spongybecause of [2004]