Transport in Plants Short Questions and Answer with FREE PDF

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transport in plants 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 Short Questions and Answer with FREE PDF Download

1 The movement of materials from the leaves to other tissues of the plant is called _________
(A) Tropic movement
(B) Guttation
(C) Transpiration
(D) Translocation

Answer:Translocation
2 The exudation of xylem sap drops on the edges of leaves is called
(A) Transpiration
(B) Guttation
(C) Condensation
(D) None of the above

Answer: Differentiation of euchromatin & heterochromatin decreases
3 Which one of the following theories for ascent of sap was proposed by eminent Indian scientist J. C Bose?
(A) Pulsation theory
(B) Transpiration Pull theory
(C) Root pressure theory
(D) Atmospheric pressure theory

Answer:Pulsation theory
4 Munch hypothesis is based on
(A) Translocation of food due to TP gradient and imbibitions force
(B) Translocation of food due to turgor pressure (TP) gradient
(C) Translocation of food due to imbibitions force
(D) None of the above

Answer: Translocation of food due to turgor pressure (TP) gradient
5 The first process by which water enters into the seed coat when a seed is placed in a suitable environment for germination is
(A) Osmosis
(B) Active transport
(C) absorption
(D) Imbibition

Answer: Imbibition
6 Which of the following plant material, is an efficient water imbibant?
(A) lignin
(B) agar
(C) pectin
(D) cellulose

Answer: agar
7 Which of the following experiment is called physiological demonstration of osmosis?
(A) Thistle funnel- whose mouth is tied with egg membrane
(B) Thistle funnel- whose mouth is tied with parchment paper
(C) bell jar experiment
(D) potometer

Answer: Thistle funnel- whose mouth is tied with parchment paper
8 Water is lost in a liquid state in some plants through hydathodes. These hydathodes
(A) Remain closed at night
(B) Remain closed during day
(C) Remain always open
(D) Do not show any specificity in opening and closing

Answer:Remain always open
9 Passive absorption of water by the root system is the result of
(A) Forces created in the cells of the root
(B) Increased respiratory activity in root cells
(C) Osmotic force in the shoot system
(D) Tension on the cell sap due to transpiration

Answer: Tension on the cell sap due to transpiration
10 Which of the following helps in ascent of sap?
(A) Root pressure
(B) Transpiration
(C) Capillarity
(D) all of above

Answer: all of above

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