Please refer to Assignments Class 11 Biology Transport in Plants Chapter 11 with solved questions and answers. We have provided Class 11 Biology Assignments for all chapters on our website. These problems and solutions for Chapter 11 Transport in Plants Class 11 Biology have been prepared as per the latest syllabus and books issued for the current academic year. Learn these solved important questions to get more marks in your class tests and examinations.
Transport in Plants Assignments Class 11 Biology
Question. Mineral translocation in plants is carried out by :
(a) Xylem exclusively
(b) Phloem exclusively
(c) Mainly xylem & little bit by phloem
(d) Mainly phloem & little bit by xylem
Answer
C
Question. The cause of the opening or closing of the stomata is:
(a) a change in the turgidity of the guard cells
(b) the crescent shape of thick and nonelastic outer wall of the guard cells
(c) the longitudinal orientation of cellulose microfibrils in the inner walls of guard cells
(d) All of the above
Answer
A
Question. Water will move from it’s region of :
(a) lower Ψp to higher Ψp
(b) lower Ψs to higher Ψs
(c) lower Ψw to higher Ψw
(d) higher Ψw to lower Ψw
Answer
D
Question. Most of the nitrogen in plants is transported in :
(a) Organic form via phloem
(b) Organic form via xylem
(c) Inorganic form via phloem
(d) Inorganic form via xylem
Answer
B
Question. Which of the following statements are correct?
(A) If two systems containing water are in contact, random movement of water molecules will result in net movement of water down a gradient of free energy is called diffusion.
(B) The less the solute molecules in a solution, the lower is the solute potential
(C) If a pressure greater than atmospheric pressure is applied to a solution, its water potential increases.
(D) By convention, the water potential of pure water at standard temperature which is not under any pressure, is taken to be zero i.e. minimum value of water potential.
(a) A and B
(b) A and C
(c) B and D
(d) C and D
Answer
B
Question. Which of the following is not a similarity between facilitated diffusion and active transport ?
(a) Transport saturation
(b) Sensitivity towards protein inhibitors
(c) Selectivity
(d) Uphill transport
Answer
D
