Transport in Plants

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Question

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Question 1 : Dry seeds kept in water swell due to ___________
1. imbibition
2. absorption
3. diffusion
4. none of these
Answer
9304

Question 2 : Choose the correct statements. Pumps in active transport are A. Lipids that bind molecules to pass them through the membrane. B. Transport molecules uphill. C. These are specific transporters. D. These are sensitive to inhibitors.
1. A and C
2. B, C and D
3. A, B and D
4. C and D
Answer
9305

Question 3 : Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be
1. No movement of water
2. Movement of water from cell A to B
3. Equilibrium between the two
4. Movement of water from cell B to A
Answer
9306

Question 4 : Which of the following is decreased during increase in humidity in the atmosphere?
1. Glycolysis
2. Respiration
3. Photosynthesis
4. Transpiration
Answer
9307

Question 5 : Two types of molecules cross the membrane in the same direction, it is called as __________
1. Uniport
2. Multiport
3. Symport
4. Antiport
Answer
9308