Out of xylem and phloem, which one carries materials :
(a) upwards as well as downwards ?
(b) only upwards?

Academic Biology NCERT Class 10

(a) Phloem carries materials (food) upward and downwards from the leaves to all parts of the plant.

(b) Xylem carries materials (water and minerals) only upwards from roots to all parts of the plant.

Tutorialspoint

Simply Easy Learning

Updated on: 24-Mar-2023

46 Views

Which of the following carries substances upwards as well as downwards in a plant?(a) xylem (b) companion cells (c) phloem (d) tracheids
Why do roots grow downwards and stems grow upwards?
Name one gland each:(a) which acts only as an endocrine gland.(b) which acts only as an exocrine gland.(c) which acts both as an endocrine gland as well as an exocrine gland.
Some mustard oil is kept in a beaker. It will exert pressure:(a) downwards only(b) sideways only(c) upwards only(d) in all directions
(a) Draw a labelled diagram of (i) a xylem vessel, and (ii) a sieve tube (or phloem).(b) What are the differences between the transport of materials in xylem and phloem?
The chemical reaction involved in the corrosion of iron metal is that of:(a)oxidation as well as displacement(b) reduction as well as combination(c) oxidation as well as combination(d)reduction as well as displacement
Which of the following can make a parallel beam of light when light from a bulb falls on it?(a) concave mirror as well as concave lens (b) convex mirror as well as convex lens(c) concave mirror as well as convex lens (d) convex mirror as well as concave lens
Give one example each of a plant part :(a) which is positively hydrotropic as well as positively geotropic.(b) which is positively phototropic but negatively geotropic.
Draw a velocity versus time graph of a stone thrown vertically upwards and then coming downwards after attaining the maximum height.
Out of the following materials:cotton, nylon, terylene, wool, Pet, acrylic(a) which materials are polyesters?(b) which materials is a polyamide?(c) which material is used as a substitute for wool?(d) which material is used as a substitute for glass?
Which one of the following metals does not react with cold as well as hot water?NaCaMgFe
Consider the following equation of the chemical reaction of a metal M: 4M + 3O2 --------> 2M2O3This equation represents:(a) combination reaction as well as reduction reaction(b) decomposition reaction as well as oxidation reaction(c) oxidation reaction as well as decomposition reaction(d) combination reaction as well as oxidation reaction
Can a liquid exert pressure upwards?>
What is the function of xylem and phloem in plants?

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements