STD 11 - 14. Breathing and exchange in gases — NEET STD 11 Science — Question

Ventrally and laterally, the thoracic chamber is formed by

The correct order of the reproductive tract of a male human being is

When mutation is confined to only one substitution, it is called

A common cloacal aperture is found in

Assertion : In case of incomplete linkage, linked gene show new combination along with parental combination.

Reason : In case of incomplete linkage, linked genes are separated by crossing over.

Assertion : Head of sperm consists of acrosome and mitochondria.

Reason : Acrosome contains spiral row of mitochondria.

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.