Biology - Study Mode
[#736] The water and mineral salts are transported to the various organs by which of the following?
Correct Answer
(A) Xylem
Explanation
Solution: Xylem transports water and mineral salts from the roots up to other parts of the plant, while phloem transports sucrose and amino acids between the leaves and other parts of the plant.
[#737] The food material prepared in the plants is transported to the various organs by which of the following?
Correct Answer
(B) Phloem
Explanation
Solution: The food which is prepared by the process of photosynthesis in the leaves of a plant has to be transported to other parts like stem, roots, branches etc. Phloem transports this food material.
[#738] Cells with similar markers stick together and function as
Correct Answer
(B) Tissues
Explanation
Solution: A tissue is an ensemble of similar cells and their extracellular matrix from the same origin that together carry out a specific function. Hence, Cells with similar markers stick together and function as tissues.
[#739] Xylem tissue is mainly concerned with the
Correct Answer
(B) Transport of water and mineral nutrients in plants
Explanation
Solution: The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients.
[#740] The major constituent of connective tissue is
Correct Answer
(D) Collagen
Explanation
Solution: Unlike the other tissue types (epithelium, muscle, and nerve), which consist mainly of cells, the major constituent of connective tissue is the extracellular matrix (ECM). Extracellular matrices consist of different combinations of protein fibers (collagen and elastic fibers) and ground substance.