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41. Water potential of pure water is
A. Zero
B. One
C. Three
D. Four
Explanation:
42. Solution used in the thistle funnel experiment is
A. KOH solution
B. Sucrose solution
C. Mercury
D. Caustic potash solution
Explanation:
43. Water from root hairs enters into the cortical cells by
A. Osmotic pressure
B. Turgor pressure
C. Both the above
D. Suction pressure
Explanation:
44. Special type of diffusion of liquids is known as
A. Imbibition
B. Diffusion
C. Osmosis
D. Capillary force
Explanation:
45. Green plants synthesize organic compounds by trapping
A. Temperature
B. UV-rays
C. Solar energy
D. X-rays
Explanation:
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