Transportation in Plants MCQs | Transportation in Plants Multiple Choice Questions and Answers
Questions
2
In which of the following plants, there will be no transpiration?
Answer: Aquatic, submerged plants
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4
Which of the following statements is not true for stomatal apparatus?
Answer: Guard cells are always surrounded by subsidiary cells
5
Transpiration is very important for plants because it helps in
Answer: All of these
6
Munch hypothesis is based on
Answer: Translocation of food due to turgor pressure (TP) gradient
7
Water is lost in a liquid state in some plants through hydathodes. These hydathodes
Answer: Remain always open
8
A column of water within xylem vessels of tall trees does not break under its weight because of
Answer: Tensile Strength Of Water
9
Which of the following criteria does not pertain to facilitated transport?
Answer: Uphill transport
10
The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of
Answer: Cohesion And Adhesion
11
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
Answer: Movement of water from cell A to B
12
Root pressure occurs when there is
Answer: Less transpiration and more absorption
17
Which of the following chemical serves as an anti-transparent in plants?
Answer: phenyl mercuric acetate
18
In land plants, the guard cells differ from other epidermal cells in having
Answer: Chloroplasts
19
Transpiration can be influenced by interfering with
Answer: atmospheric temperature
20
Which one of the following theories for ascent of sap was proposed by eminent Indian scientist J. C Bose?
Answer: Pulsation theory
