MCQ's About "Transport In Plants".

 TRANSPORT IN PLANTS

Question 1
The process by which water is lost from the leaves of a plant is called:
(A)  condensation  (B)  decomposition  (C)  diffusion  (D)  transpiration

Question 2
The process by which foods made by photosynthesis are moved in a plant is called:
(A)  transpiration  (B)  translocation  (C)  transference  (D)  transmission

Question 3
Transpiration takes place from:
(A)  all parts of a plant  (B)  the leaves
(C)  the stem  (D)  the above-ground parts of a plant

Question 4
The plant tissue which allows water and mineral salts to pass from the roots to the leaves is:
(A)  phloem  (B)  xylem  (C)  epidermis  (D)  cuticle

Question 5
The plant tissue which moves sugars and other foods from the leaves to the growing points and storage places is:
(A)  epidermis  (B)  cuticle  (C)  xylem  (D)  phloem

Question 6
On which surface of leaves are stomata present?
(A)  upper only  (B)  lower only  (C)  mostly upper  (D)  mostly lower

Question 7
Cells which are full of water and rigid are said to be:
(A)  support cells  (B)  flaccid  (C)  turgid  (D)  none of these
Question 8
Much of the transpiration from a plant takes place through the:
(A)  stomata  (B)  lenticels  (C)  epidermis  (D)  cuticle

Question 9
Roots absorb water through:
(A)  epidermal hairs  (B)  root hairs  (C)  root xylem  (D)  root phloem

Question 10
Sap rises in a plant because of:
(A)  root pressure  (B)  transpiration pull  (C)  both (A) and (B)  (D)  osmosis

Question 11
Stomata open and close because of:
(A)  the presence of valves  (B)  hormones
(C)  water pressure of the guard cells  (D)  concentration of gases

Question 12
Mineral salts are absorbed into cells by:
(A)  osmosis  (B)  diffusion  (C)  active transport  (D)  air pressure

Question 13
Food is transported in the phloem as:
(A)  glucose  (B)  sucrose  (C)  fats  (D)  amino acids

Question 14
The movement of particles from a region of higher concentration to a region of lower concentration is called:
(A)  osmosis  (B)  diffusion  (C)  active transport  (D)  sap flow

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Question 1 (D)  Question 2 (B)  Question 3 (D)  Question 4 (B)  Question 5 (D)
Question 6 (D)  Question 7 (C)  Question 8 (A)  Question 9 (B)  Question 10 (C)
Question 11 (C)  Question 12 (C)  Question 13 (B)  Question 14 (B)