Structural Organisation In Animals Flashcards
The structure of cell vary according to their function
True
Squamous cuboidal and columnar are distinguished on basis of
Structural modification
They form a diffusion boundary…..who’s they
Squamous epith.
To move particles or mucus in a specific direction over the epith.
Ciliated epith.
Mainly present in inner surfaces of bronchioles and Fallopian tube
Compound epith. Function?
To provide protection against chemical and mechanic stresses….covers the dry surface of skin….moist surface of buccaneers cavity &lines the ducts of salivary and pancreatic gland
Injection junctions provide structural links b/w individual cells
False
They form both structural and functional links
The cells secrete fibres of
Collagen …that provide strength elasticity and flexibility to tissue
Matrix consists of modified polysaccharides
True
Dense irregular connective tissue is found in
Skin
The complexity in organ and organ system observe certain discernable trend which is ?
Evolutionary relationship
A pair of thread like antennae arises from membranous sockets in front of eyes
True
Cockroach has biting and chewing type of mouth parts
True
The anus in earthworms is dorsal
True
It has outer layer of thick circular muscles and inner layer consisting of chitinious teeth….who are we talking about?
Gizzard of cockroach
The entire foregut of cockroach is lined by?
Cuticle
Eyes of cockroach are situated on the ventral side of head
False— dorsal
Chitinious asymmetrical structure surrounding male gonopore
Phallomere
Male gonopore is situated dorsal/ventral to anus
Ventral
Oviducts unite to form _____ in female cockroach
Vagina
Wings extend beyond the tip in ?
Male cockroaches
Genital Pouch in female cockroach consists of
Genital chamber and vestibulum
Reservoir of stored energy?
Adipose tissue
A pair of salivary glands is present near crop
True
After rupture of single ootheca_____ no. Of nymphs develop
16
