Cartilage resembles bone in having
(A) Hard,solid,non - pliable ground substance
(B) Collagen fibres in the ground substance
(C) Cells embedded in a highly vascular matrix
(D) Haversian systems in the matrix

Which of the following have hard and non pliable ground substance :-

How many of the following statements are related to bone? a. It is a specialised connective tissue having hard and pliable ground substance rich in calcium salts and collagen fibres which gives bone its strength. b. It is the main tissue that provides structural frame to the body. c. It supports and protects softer tissues and organs. d. The bond cells, osteocytes are present in the spaces called lacunae. e. They also interact with smooth muscles attached to them to bring about movements,

Consider the following statements (i) - (iii), each with one or two blanks (i) Bones have a hard and non-pliable ground substance rich in ul(1) and ul(2) which give bone its strength (ii) Some of the columnar or cuboidal cells get speciallised for secretion and are called ul(3) epithelium (iii) ul(4) junctions help to stop substances form leaking across a tissue Which one of the following options, gives the correct fills ups for the respective blanks from (1) to (4) in the statements ?

A and B are the two systems of control and coordination in the human body. The messages in system A are trasmitted in the form of chemical substances C which travel comparatively slowly through the blood stream. The substances C are made in tissues D present in the head and trunk of human body. The messages in system B are transmitted by system B usually lasts for a much shorter time as compared to those transmitted by system A. (a) Name the system A. What does system A consist of? (b) Name the chemical substance C. (c) What is tissue D? Name any five such tissues in the human body. (d) Name the system B. What does system B consist of? (E) Name the fibres E. (f) State whether system A controls the working of system B or system B controls the working of system A.

The gland X which is located just below the brain in the human head secretes a chemical substance Y which controls the development of bones and muscles in the body of a person. Secretion of too little of substance Y as well as the secretion of too much of substance Y by the gland X lead to abnormal development of the body of a person. (a) Name the gland X. (b) What is the chemical substance Y? (c) What happens if too little of substance Y is secreted? (d) What happens if too much of substance Y is secreted? (e) Name the system of glands in the human body of which gland X is a part.

Choose the correct statements with reference to hyaline cartilage (a) It is bluish white translucent and glass like cartilage (b) Matrix shows collagen fibres and elastin fibres (c) It forms embryonic endoskeleton in cyclostomes and adult cartilage fishes (d) It is the strongest cartilage with perichondrium.