Important Biology Questions asked in Previous Year Papers
Dear Readers, Biology covers a good number of questions making it an important topic to cover in SSC Exams. Around 5-8 questions asks from Biology which surely makes it important for you to study the topic well for upcoming SSC Exams. Here are previous year questions of Biology which you should not ignore. So we are providing Biology gk questions and answers pdf
The part of the brain which is concerned with muscular co-ordination in the body –Cerebellum
The structure for the alteration of the shape of the lens – Ciliary body/ ciliary muscles
The structure for the constriction of the pupil in bright light – Iris
The nerve which transmits impulses from the eye to the brain – Optic Nerve
The muscles in the human eye which are concerned with the following of objects at different distances – Radial and circular muscle/ ciliary muscle
The unit of nervous system – Neuron
The neurons which carry impulses from receptor to brain – Sensory neurons
The neuron which transmits impulses from brain to the effector organ – Motor neurons
The lower part of brain which contains reflex centre – Spinal Cord
The number of spinal nerves in man- 31 pairs
The middle coat of the eye, soft vascular and thin layer – Choroid
The sensitive cells present in the retina – Rods and Cones
The smallest bone in the human body – Stapes
Most important part of nervous system- Brain
The membrane covering the brain and spinal cord – Meninges
Response to a stimulus without the intervention of the will of an animal – Reflex Action
The point in the centre of the retina where the rods and cones are highly concentrated –Yellow Spot
One neuro-transmitter – Acetyl Choline
Defect of the eye in which distant objects are not seen clearly – Myopia
Defect of the eye in which near objects are not seen clearly – Hypermetropia
A bony socket in which eye is well protected – Orbit
A small opening in the centre of the Iris – Pupil
Inner sensitive coat of the eye ball – Retina
The organ of hearing – Ear
The structure of the ear which helps in the balancing of the body- Semi-circular canals
Jelly-like material filled in the space between the lens and the retina- Vitreous humour
The fluid filled in the space between the cornea and the lens – Aqueous humour
The structure that protects the eye-ball and maintains its shape – Sclera
The structure that has a sensory organ called ‘organ of corti’ – Cochlea
The defect of the eye caused due to the uneven curvature of the cornea – Astigmatism
The parts of autonomous nervous system – Sympathetic and parasympathetic nervous system
The nerves which transmit impulses from ear to the brain – Auditory Nerve
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