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Structural Organisation In Animals

Multiple Choice Questions

111.

In Pheretima, septa are absent between which segments?

3/4 and 9/10
4/5 and 8/9
5/6 and 7/8
7/8 and 6/7

112.

In cockroach, larval and nymphal characters are maintained by

ecdysone
salivary glands
parotid gland
juvenile hormone

113.

The female genital pore of Pheretima posthuma located upon the segment

14^th
16^th
18^th
15^th

114.

In frog heart, there are cardiac muscles which consists of fibres called

Purkinje fibres
myonemes
telodendria
columnae carnae

115.

Malphigian tubules are

excretory organs of insects
excretory organs of frog
respiratory organs of insects
endocrine glands of insects

116.

Compond squamous epithelium is found in

stomach
intestine
trachea
pharynx

117.
Striped muscles are characterized by

syncytial

spindle shape

uninucleate

none of these

syncytial

Striated muscle or skeletal muscle or voluntary muscle or striped muscle fibre is an elongated cell surrounded externally by sarcolemma. Just beneath the sarcolemma in each fibre, many nuclei occur at irregular intervals. Thus, these fibres are multinucleated or syncytial in nature.