NEET Botany Anatomy of Flowering Plants Xylem MCQs

Xylem tissue is composed of

I. Cells are living and thin-walled and their cell walls are made up of cellulose

II. They store food material

III. The radial conduction of water in plants takes place by the help of these tissues

Which of the above feature belongs to the xylem parenchyma?

I. Long cyclindrical tube like structure made up of many cells called vessel members, lignified cell wall and large central cavity

II. Devoid of protoplasm

Above characters belong to which of the following plant elements?

Tyloses thickenings are seen in

Diffused porous woods are characteristic of plants growing in

The chief water conducting elements of xylem in gymnosperms are

I. Elongated or tube like cell with thick and lignified walls and tapering ends

II. These are dead and without the protoplasm

III. The inner layers of cell walls have thickening which vary in form

The above mentioned characters belong to which of the following plant structure?

First formed primary xylem elements are called ...A… . Later formed primary xylem elements are called …B… .

A and B in the above statement refers to

    Xylem sap is made up of

‘Kattha’ is obtained from the heart wood of