Anatomy of flowering plants practice · Medium

Sclerenchyma mainly provides

Lateral roots develop from primordia originated by the division of

Early wood is formed in dicot plant during

Consider the following statements and choose the correct option.
I.The thread like cytoplasmic strands, running from one cell to other is known as plasmodesmata.
II.Xylem and phloem constitute the vascular bundle of the stem.
III.The first formed xylem elements are described as metaxylem.
IV.Radial vascular bundles are mainly found in the leaves.

I. Protection of internal tissue
II. Prevention of entry of any harmful organism
III. Minimising surface transpiration
IV. Protection against excessive heating up
These are the functions of which of the following?

Which type of vascular bundles are found in monocot stem?

Which of the following statements is true?

Ground tissue includes

In dicotyledonous roots, the initiation of lateral roots takes place in

Xylem fibres are made up of

Which of the following tissues consist of living cells?

I. Sieve tube conduct organic food longitudinally
II. Xylem parenchyma cells stores food and help in lateral conduction of sap
Select the correct option

The phloem of angiosperms differs from that of other vascular plants by the presence of

Which of the following would be in significant amount in xylem sap?

Alburnum is otherwise known as

I. Phloem transports the food materials usually from the leaves to other parts of the plant
II. Phloem in the angiosperm is composed of sieve tube elements, companion cells, phloem parenchyma and phloem fibres
Identify which of the following statement is correct and select the correct option

Damaged sieve tubes are sealed by deposition of

From evolutionary point of view, tracheids and sieve cells are more primitive than tracheae and sieve tubes respectively. The angiosperms have

The function of a vessel is conduction of