Click the correct answer (True or False).
Click the correct answer.
Which of these is transported using energy?
Water
Minerals
Food
All of them
Through which of the following tissues the ascent of sap takes place?
Phloem
Xylem
Epidermis
Sieve tubes
On which of the following factors does the rate of transpiration depend?
Wind
Humidity
Sunshine
All three
Which of the following tissues perform the function of transport of materials in plants?
Vascular tissue
Meristematic tissue
Intercalary tissue
None of these
Which of the following is the only living tissue of xylem?
Xylem parenchyma
Tracheids
Vessels
None of these
Click the correct answer.
of xylem are organised into continuous conducting channels stretching from roots to leaves.
Xylem parenchyma and tracheids
Tracheids and vessels
Vessels and xylem parenchyma
Higher/Faster the
slower is the rate of transpiration.
wind
humidity
temperature
Transpiration helps in the transport of
from the soil to the leaves.
only water
only minerals
both water and minerals
The transport of food from one part of the plant to another is called
.
transportation
transpiration
translocation
The cell membrane of a root hair is
, i.e., it allows only certain substances to pass through it.
semipermeable
permeable
impermeable
Plants use two processes to absorb minerals by roots—
.
active transport and diffusion
osmosis and diffusion
active transport and osmosis
Root pressure appears only when the rate of absorption is
than the rate of transpiration.
lower
higher
none of these
