
Study the given flow chart carefully and select the option which is a correct match of xylem and phloem?

Xylem
Phloem
(A)
(B)
(C)
(D)



Important Questions on Transportation in Plants and Animals
Read the given differences between X, Y and Z.
S. No. | X | Y | Z |
(i) | They are thin walled vessels with a small lumen. | They are thick walled vessels with narrow lumen. | They are thin walled vessels with wide lumen. |
(ii) | They deliver blood to the body cells. | They carry blood away from the heart. | They bring blood towards the heart. |
(iii) | They are placed very deep. | They are situated in the deeper regions of the body. | They are superficially situated. |
(iv) | They carry both oxygenated and deoxygenated blood. | They carry oxygenated blood, except one. | They carry deoxygenated blood, except one. |
Select the correct statement regarding X, Y, and Z.

Refer to the given figure of blood cells and select the correct statements regarding X, Y, and Z.
(i) X plays a key role in transporting waste carbon dioxide from the tissues to the lungs.
(ii) The pigment present in Z absorbs oxygen and transports it to the cells all over the body.
(iii) X is able to move on their own.
(iv) Y helps the blood to clot whenever there is a wound on the body.
(v) Y is important part of our immune system.
(vi) Z produces special protein substances, i.e., antibodies that protect us from infection.


Refer to the given figure of a sectional view of a blood vessel having a valve. Select the correct statement regarding it.
