The attachment of skeletal muscles to bones and that of one bone to another is due to :
(1) Ligaments and tendons
(2) Tendons and ligaments
(3) Cartilage and tendon
(4) Osteocytes and cartilage
Fill up the blanks in the following statement with the appropriate option.
In all the connective tissue, except ___A_____, the cells secrete fibres of structural proteins called as ____B______.
(1) A: cartilage, B: mast cells
(2) A: blood, B: macrophage
(3) A: blood, B: elastin or collagen
(4) A: cartilage, B: chondrocytes
Which among the following is responsible for cementing action to keep adjacent cells together ?
(1) Cell junctions
(2) Adhering junctions
(3) Communication junctions
(4) Gap junctions
Which epithelium is present in inner lining of ducts of salivary glands and of pancreatic ducts ?
(1) Ciliated epithelium
(2) Compound epithelium
(3) Columnar epithelium
(4) Squamous epithelium
Which among the following difference is incorrect between bone and cartilage ?
Option |
Bone |
Cartilage |
1. |
Hard and pliable |
Solid and non-pliable |
2. |
Composed of osteocytes |
Composed of chondrocytes |
3. |
Present in spaces called as lacunae |
Enclosed in small cavities within matrix secreted by them |
4. |
In adults, bone > cartilage |
In vertebrate embryo, cartilage > bone |
Complete the following analogy regarding reproductive system of cockroach :-
Testes : IV-VI abdominal segments : : Ovaries : ____ abdominal segments
(1) II-VI
(2) III-VI
(3) II-VIII
(4) IV-VI
Complete the following analogy :-
Vertebrates : Brain : : Cockroach : ___________
(1) Lower-oesophageal ganglion
(2) Supra-oesophageal ganglion
(3) Nephrocytes
(4) Ommatidia
The hard chitinous exoskeleton of cockroach has sclerites which are called as:
Options |
Dorsally |
Ventrally |
(1) |
sternites |
tergites |
(2) |
Arthrodial membrane |
pleura |
(3) |
tergites |
sternites |
(4) |
pleura |
sternum |
The triangular head of cockroach is made by fusion of how many segments :
(1) Three
(2) Five
(3) Nine
(4) Six
Label A, B, C, D and E in the following figure :-
(1) Labium, mandible, hypopharynx, maxilla, labrum
(2) Labrum, hypopharynx, maxilla, mandible, labium
(3) Labrum, mandible, hypopharynx, maxilla, labium
(4) Labium, maxilla, hypopharynx, labium, mandible