AP BIOLOGY

PLANTS

PLANT TISSUE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Xylem is primarily concerned with a ____ and phloem withb. ____
A
organic matter transport. b. water and ion transport
B
transportation of the nutrition b. absorption of water
C
respiratory gas exchange b. excretion in the form of starch.
D
water and ion transport b. organic matter transport.
Explanation: 

Detailed explanation-1: -Xylem and phloem facilitate the transportation of water, minerals and food throughout the plant. Xylem carries water and minerals from the roots to the leaves. Whereas, phloem carries the food prepared by the leaves to different parts of the plant.

Detailed explanation-2: -The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients.

Detailed explanation-3: -Xylem transports and stores water and water-soluble nutrients in vascular plants. Phloem is responsible for transporting sugars, proteins, and other organic molecules in plants.

Detailed explanation-4: -The xylem distributes water and dissolved minerals upward through the plant, from the roots to the leaves. The phloem carries food downward from the leaves to the roots.

Detailed explanation-5: -Xylem mainly transports water, minerals salts and also organic solutes. II. Phloem mainly translocates a variety of organic solutes and also inorganic solutes.

There is 1 question to complete.