Which of the following sense organs detect dissolved chemicals?
(1) Tongue
(2) Nose
(3) Ear
(4) Both A and B
Which of the following two senses are functionally similar and interrelated?
(1) Optic sense and olfaction
(2) Auditory sense and optic sense
(3) Olfaction and Gustation
(4) Gustation and auditory
Which of the following is wrong about eyes?
1. An adult human eye ball is nearly a spherical structure
2. Our paired eyes are located in sockets of the skull called orbits
3. The wall of the eye ball is composed of three layers
4. The external layer is composed of loose connective tissue and is called sclera
Cornea is
(1) Anterior portion of choroid
(2) Anterior portion of sclera
(3) Posterior portion of sclera
(4) Anterior portion of retina
Which of the following is wrong about choroid?
(1) devoid of blood vessels
(2) Middle layer
(3) It looks bluish in color
(4) Forms ciliary body
Choroid layer is …….over posterior two third region.
(1) Thin
(2) Thick
(3) Ciliary
(4) Both B and C
Which of the following is not associated with Iris?
(1) Ciliary bodies form it
(2) Pigmented and transparent
(3) Visible colored part of the eye
(4) Present in anterior part of eye
Eye-Lens is not
(1) Transparent
(2) Crystalline
(3) Held in place by tendons attached to the ciliary body
(4) Both A and C
Pupil of human eye has not which of the following properties?
(1) In front of the lens
(2) The aperture surrounded by the Iris
(3) Diameter of the pupil is regulated by collagen fibres of Iris
(4) All of these
Retina:
Which of the following is wrong with respect to Retina?
(1) Innermost layer of eye
(2) Three layers of neural cells
(3) Ganglion is outermost cell
(4) Rods and Cones are the photoreceptors over there