Which of the following statements is correct?

• Cornea consists of dense connective tissue of elastin and can repair itself.

• Cornea is convex, transparent layer which is highly vascularised.

• Cornea consists of dense matrix of collagen and is the most sensitive portion the eye.

• Cornea is an external, transparent and protective proteinacious covering of the eye-ball.

The anterior portion of the sclera is called

• Lens

• Iris

• Pupil

• Ciliary body

• Ciliary body

Choose the wrong statement regarding human ear

• The stapes is attached to the tympanic membrane

• The Eustachian tube connects the middle ear cavity with the pharynx

• The middle ear contains three ossicles

• The space within the cochlea called scala media is filled with Endolymph

• The space within the cochlea called scala media is filled with Endolymph

Read the statements about human neural system and find the wrong one

• The CNS includes the brain and the spinal cord

• The PNS is divided into somatic and autonomic neural system

• The somatic neural system is classified into sympathetic and parasympathetic neural system

• The autonomic neural system transmits impulses from the CNS to the involuntary organs and smooth muscles

• The autonomic neural system transmits impulses from the CNS to the involuntary organs and smooth muscles

Which part of the brain is responsible for thermoregulation?

• Hypothalamus

• Corpus callosum

• Medulla oblongata

• Cerebrum

The projecting ridge in ampulla of semi-circular canals in ear is called

• Succus entericus

• Maccula

• Otolith

• Crista ampullaris

• Crista ampullaris

The body temperature regulatory centre in the brain is

• cerebellum

• corpus callosum

• hypothalamus

• hippocampus

• hippocampus

Large number of processes that project from the apical part of each hair cell of the organ of Corti is called

• Otolith organ

• Stereocilia

• Crista ampullaris

• Utricle

• Utricle

Anaerobic breakdown of glycogen due to repeated activation of muscles leads to the accumulation of

• uric acid

• phenylalanine

• lactic acid

• glutamic acid

• glutamic acid

The visible coloured portion of the eye is

• Retina

• Iris

• Pupil

• Choroid

• Choroid