Transport of Water

What is symplast pathway of water movement in root ?

Does xylem parenchyma conduct water?

What are xylem fibres made of?

Define xylem tracheids with their functions.

Explain the movement of water from the root hair of roots to the xylem.

Explain the arrangement of cortex cells in a root.

Cohesion theory of ascent of sap is based on

Choose the correct match given in Column I with their role given in Column II.

Ephemerals are plants that are mostly found in dry zones and complete their life cycle within a very short span.

Identify a combination of ecological adaptations in xerophytes.

I. Cuticle is totally absent.

I. Hypostomatous and sunken stomata in some plants.

III. Root caps are usually absent.

IV. Well developed root caps.

The correct pair is

Identify the plants respectively based on the characters.
I) Roots fixed with mud with long petiole.
II) Lives partly in water and partly in air.
III) Annual, found in dry zones, complete its life cycle within short period.
IV) Root hairs and caps are well developed.

A) Typha
B) Tribulus
C) Casuarina
D) Victoria regia
E) Hydrilla

What do you understand by the process of transpiration? List at least five advantages of transpiration.

How does transpirational pull help in the absorption of water by the plants?

Name the morphological regions related to transpiration and guttation, respectively.

A column of water within xylem vessels of tall trees does not break under its weight because of

The apoplast is the system of adjacent cell walls that is continuous throughout the plant except at the

When the concentration of the soil solutes is low the absorption of water

An outline sketch of a tree is shown in a diagram below. Study the name and answer questions that follows

Name and define the phenomenon labelled A in the diagram.

How would you justify the statement that transpiration contribute bringing rain?

How will the following conditions affect transpiration?

Still air