Transport in Plants Very Short Questions and Answer with FREE PDF

transport in plants very short questions and answer with free pdf are the most important part of all competitive medical entrance exams like neet, aiims, jipmer and other board exams.

Transport in Plants Very Short Questions and Answer with FREE PDF Download

1 The translocation of organic solutes in sieve tube members is supported by
(A) cytoplasmic streaming
(B) P proteins
(C) mass flow involving a carrier and ATP
(D) root pressure and transpiration pull

Answer: P proteins
2 Potometer works on the principle of
(A) Osmotic pressure
(B) Root pressure
(C) Amount of water absorbed equals the amount transpired
(D) potential difference between the tip of the tube and that of the plant

Answer: Amount of water absorbed equals the amount transpired
3 The pressure at which the entry of water across the semipermeable membrane stops is called ____________
(A) Turgor pressure
(B) Root pressure
(C) Osmotic pressure
(D) Diffusion pressure

Answer: Osmotic pressure
4 A _______________ force exists between the walls of xylem vessels and water
(A) Cohesion
(B) Adhesive
(C) Gravitational
(D) Transpirational pull

Answer: Adhesive
5 The pathway of the movement of water through cell wall is called as __________
(A) Symplastic pathway
(B) Apoplastic pathway
(C) Vacuolar pathway
(D) Plasmodesmata pathway

Answer: Apoplastic pathway
6 The value of osmotic pressure depends on _________________
(A) Concentration of solute
(B) Concentration of solvent
(C) Concentration of solution
(D) All of the above

Answer:Concentration of solute
7 In older dying leaves to younger leaves the minerals are carried as ____
(A) Inorganic compound
(B) Organic compound
(C) Ionic forms
(D) All of the abov

Answer: Organic compound
8 When a cell is placed in 0.50 M concentrated sugar solution, there is no change in it. So the external solution is called _______________
(A) Hypertonic
(B) Hypotonic
(C) Isotonic
(D) Colloidal

Answer: Isotonic
9 In a hypertonic solution a cell’s water potential _______
(A) Decreases
(B) Increases
(C) First increases then decreases
(D) No change

Answer: Decreases
10 Which one of the following will not directly affect transpiration?
(A) Temperature
(B) Light
(C) Wind speed
(D) Chlorophyll content in leaves

Answer: Chlorophyll content in leaves

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