Structural Organization In Animals MCQ Question with Answer

Structural Organization In Animals MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 15
The supportive skeletal structures in the human external ears and in the nose tip are examples of

ligament

areolar tissue

bone

cartilage

Question No : 16
The fibres of which of the following muscles are fusiform and do not show striations

Skeletal muscles

Cardiac muscles

Both (a) and (b)

Smooth muscles

Question No : 17
Cockroaches are brown or black bodied animals that are included in class _______ of phylum _______.

reptilia; annelida

insecta; arthropoda

insecta; annelida

reptilia; arthropoda

Question No : 18
Intercalated discs are the communication junctions between the cells of

cardiac muscles

striped muscles

adipose tissue

nerve and striated muscles

Question No : 19
Neuroglia are

excitable cells of neural tissue.

supporting and non-excitable cells of neural tissue.

two to three times in volume of neural tissue.

protective and excitable cells of neural tissue.

Question No : 20
Which one of the following pairs of structures distinguishes a nerve cell from other types of cell ?

Vacuoles and Fibres

Flagellum and Medullary sheath

Nucleus and Mitochondria

Cell body and Dendrites

Question No : 21
Male cockroach can be identified from the female by the presence of

long antennae

wingless body

elongated abdomen

anal styles