Categories
Assistant General Science

Biology – 07

മൂക്ക്, നാക്ക്, ത്വക്ക്, തലച്ചോർ എന്നീ പ്രധാനഭാഗങ്ങളിൽ നിന്നുള്ള ചോദ്യങ്ങളാണ് ഇന്നത്തെ പാഠത്തിൽ

  • Study of nose

Rhinology

 

  • Loss of smell is called

Anosmia

 

  • Branch of medicine that deals with condition of ear, nose and throat

Otolaryngology

 

  • Small projection on the surface for tongue

Papillae

 

  • Nerve related to the movement of tongue

Hypoglossal nerve

 

  • Taste buds at the tip of tongue are sensitive to

Salt and Sweet

 

  • Taste buds at the sides of tongue are sensitive to

Sour

 

  • Taste buds at the back of tongue are sensitive to

Bitter

 

  • Largest sense organ

Skin

 

  • Function of skin

Excretion and regulation of temperature

 

  • Pigment that gives color to the skin

Melanin

 

  • Pigment that protects skin from UV rays

Melanin

 

  • Glands that secrete oily substances called sebum on the skin

Sebaceous glands

 

  • Outer layer of the skin

Epidermis

 

  • Thick inner layer of the skin

Dermis

 

  • Time taken for skin to regenerate

27-30 Days

 

  • Deficiency of melanin causes

Albinism

 

  • Diseases affected to the skin

Eczema, Melanoma, Psoriasis, Albinism

 

  • Melanin present in which layer

Epidermis

 

  • Total number of nerves in human body

43 pairs (12 pair of cranial and 31 pair pair spinal)

 

  • Primary command center for the body

Central nervous system (CNS)

 

  • CNS consist of

Brain and spinal cord

 

  • Reflex actions are controlled by

Spinal cord

 

  • Spinal cord has a length of

45 cm

 

  • The center of co-ordination

Brain

 

  • Average weight of human brain

1400 gms

 

  • Protective membrane which envelops the brain and spinal cord

Meninges

 

  • Part of skull that encloses the brain

Cranium

 

  • No of bones present in Cranium

8

 

  • Soft tissue that envelop Cranium

Scalp

 

  • Largest part of human brain

Cerebrum

 

  • Part of brain which controls voluntary actions

Cerebrum

 

  • Part of brain whcih acts as the centre of intelligence, thoughts, emotions, will power, memory, consciousness, imagination, experience, recognition, reasoning, weeping, laughing etc

Cerebrum

 

  • Outer layer of cerebrum

Cerebral cortex

 

  • Part of brain which is known as little brain

Cerebellum

 

  • Center for co-ordination of muscular movements

Cerebellum

 

  • Primary center for balancing, equilibrium and orientation of body

Cerebellum

 

  • Alcohol affecting which part of brain

Cerebellum

 

  • Pain killers affecting which part of brain

Thalamus

 

  • Relay center of brain

Thalamus

 

  • Part of brain which controls involuntary actions

Medula Oblongata

 

  • Part of brain which acts as center for working of heart, contraction of blood vessels, respiratory actions, sneezing, coughing and vomiting

Medula Oblongata

 

  • Part of brain nearest to the spinal cord

Medula Oblongata

 

  • Part of brain which acts as center for hunger, thirst, sweating, sleep, temperature, love and hate

Hypothalamus

 

  • Thermo regulatory center of human body

Hypothalamus

 

  • Part of brain which controls secretion of pituitary hormons

Hypothalamus

 

  • Only one neurocrine gland in human body

Hypothalamus

 

  • Hormons produced by hypothalamus

Oxytocin and vasopressin

 

  • Hormon which is called as ADH (Anti Diuretic Hormone)

Vasopressin

 

  • Hormon which controlling the water balance of the body

ADH

 

  • Hormon which helps the contraction of uterus during parturition

Oxytocin

 

  • Condition caused by the excessive thirst and excretion of excess urine due to the insufficient vasopressin in the body is called

Diabetes insipidus


(To be Continued…)