STD 12 - 2. human reproduction — NEET STD 11 Science — Question

Location of hepatic caeca in cockroach.

Theory of inheritance of acquired characters was putforth by

The distinctive feature of annelida is

Secretin is secreted from

The self governing nervous system is known as

Rib cage is formed by

Choose correct sequence of mechanism of vision
(i) The light rays in visible wavelength focused on the retina through the cornea and lens
(ii) Light induces dissociation of the retinal from opsin resulting in changes in the structure of the opsin
(iii) This causes membrane permeability changes.
(iv) Potential differences are generated in the photoreceptor cells rods and cones
(v) This produces a signal that generates action potentials in the ganglion cells through the bipolar cells.
(vi) These action potentials (impulses) are transmitted by the optic nerves to the visual cortex area of the brain.
(vii) Where the neural impulses are analysed and the image formed on the retina is recognised based on earlier memory and experience.