STD 12 - 8. microbes in human welfare — NEET STD 11 Science — Question

Thymus is the site for the development and maturation of

Involuntary muscles are

The hepatic portal vein before reaching the liver, joins the

Fill in the blanks and choose the correct option given below.
(i) A connects middle ear cavity with the pharynx.
(ii) The fluid filled inner ear is called B
(iii) Membranous labyrinth is surrounded by C fluid and it is filled with D fluid.
(iv) At the base of the cochlea, the scala vestibule ends at the E window, while the scala tympani terminate at the F window
(v) G is a structure located on the basilar membrane which contains hair cells
(vi) H cells act as auditory receptors.
(vii) A large number of processes called I are projected from the apical part of each cell.
(viii) Above the rows of the hair cells is a thin elastic membrane called J membrane.
(ix) The vestibular apparatus is composed of three K and L.
(x) The M and N are the specific receptors of the vestibular apparatus responsible for maintenance of balance of the body and posture.
(xi) The movements of O membrane bend the hair cells pressing them against P membrane, which result in generation of nerve impulse

Sliding filament theory can be best explained as

Reproductive health in society can be improved by
i. introduction of sex education in schools.
ii. increased medical assistance.
iii. awareness about contraception and STDs.
iv. equal opportunities to male and female child.
v. encouraging myths and misconceptions.

Cell aggregate plan is found in