Home
Class 12
BIOLOGY
The movement of water and minerals in xy...

The movement of water and minerals in xylem and the movement of phloem sap in phloem is respectively.
(A) Unidirectional, bidirectional
(B) Bidirectional, bidirectional
(C) Bidirectional, unidirectional
(D) Unidirectional, unidirectional

A

Unidirectional, bidirectional

B

Bidirectional, bidirectional

C

Bidirectional, unidirectional

D

Unidirectional, unidirectional

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Explain why xylem transport is unidirectional and phloem transport bi-directional.

Explain why xylem transport is unidirectional and phloem transport bi-directional.

Given figure represents L.S. of phloem tissue. In which labelled structures A,B,C& D respectively

The direction of movement in the phloem is (A)____ while in the xylem movement is always (B)_____

Fibres are likely to be absent in (A) Secondary phloem (B) Secondary xylem (C) primary phloem (D) Leaves

Identify the tissue system from among the following. (A) Parenchyma (B) Xylem (C) Epidermis (D) Phloem

A transverse section of stem is stained first with safranin and then with fast green following the usual schedule of double staining for the preparation of a permanent slide. What would be the colour of the stained xylem and phloem ? (A) Red and green (B) Green and red (C) Orange and purple (D) Purple and orange

The cross section of a plant material shows the following anatomical featrues under microscope: (a) Sclerenchymatous bundle sheath (b) Many vascular bundles are scattered in parenchymatous ground tissues, each vascular bundle is surrounded by sclerenchymatous bundle sheath. (c) Vascular bundles are usually oval shaped. (d) Vascular bundles are conjoint, collateral & closed and xylem is endarch (e) Phloem parenchyma is absent and water containing cavities are present within the vascular bundles: The plant material should be:

Chipko Andolan (Hug the Trees Movement) is the well-known example of conservation of which form of nature? a.Forest b.Coal c.Water d.Petroleum

What is the fate of primary xylem in a dicot root showing extensive secondary growth? (A) It is retained in the centre (B) It gets crushed (C) May or may not get crushed (D) It gets surrounded by primary phloem