BIOLOGY 🔬 🌱 

PART 1️⃣

INTRODUCTION

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Father of Biology 

Ans : Aristotle

The term Biology was first coined by 

Ans : Lamarck

Father of Zoology 

Ans : Aristotle

The living beings were classified into two (plants and animals) by 

Ans : Aristotle

The animals were classified into animal with red blood and without red blood by 

Ans : Aristotle

The famous book of Aristotle 

Ans : History of Animals 

Father of botany

Ans : Theophrastus

The famous book of Theophrastus 

Ans : Historia plantum

The branch of biology which deals with the study of origin of life

Ans : Abiogenesis 

The life originated from 

Ans : Water

The first successful experiment based on the origin of life was done by 

Ans : A.I. Oparin (1932)

First life is a microbes having the capacity of

Ans : Photosynthesis

The basic Chemical unit of life 

Ans : Amino acids

Amino acids were first synthesized in a laboratory by

Ans : Stanley Miller and Harold Urey 

Study of life in outer space 

Ans : Exobiology 

The basic unit of life 

Ans : Cell

The cell is synthesized of chemicals such as carbohydrates, protein, lipid, nucleic acid etc.

The components of carbohydrates 

Ans : Carbon, Hydrogen, Oxygen

Father of modern Botany 

Ans : Carl Linnaeus 

Father of Indian Botany 

Ans : William Rosburgh

Scientist who discovered that the body of animal is made up of cell 

Ans : Theodor Schwann

Scientist who discovered that the body of plant is made up of cell

Ans : M.J. Schleiden

Scientist who discovered that new cells are formed by the division of cell

Ans : Rudolph Virchow

The components of proteins are 

Ans : Amino acids 

Nucleic acids are responsible for 

Ans : Heredity

CELL

The word cell is from the latin word. 

Ans : Cellula

All living organisms are made up of 

Ans : Cell

Study of cell - Cytology

Study of tissue - Histology

The physical unit of life 

Ans : Protoplasm 

Who invented the cell

Ans : Robert Hook in 1665 

Cell theory was proposed by

Ans : M.J. Schleiden and Theodor Schwann (1839)

Scientist who observed cork cells under a microscope

Ans : Robert Hook

Plant cell was discovered by

Ans : Robert Hook

The term protoplasm was coined by

Ans:E. Purkinje

Scientist who called protoplasm as the physical basis of life

Ans:T.H. Huxley

Largest cell

Ans : Ostrich's egg

Smallest cell

Ans : Mycoplasma

Organisms known as pleuro pneumonia like organism (PPLO) 

Ans : Mycoplasma

Smallest cell in the human body

Ans : Sperm

Largest cell in human body

Ans : Ovum

Longest cell in human body

Ans : Neuron

Power house of a cell 

Ans : Mitochondria  

Brain of the cell 

Ans : Nucleus

Kitchen of the cell 

Ans : Chloroplast

Energy Currency of the cell 

Ans : ATP

Suicidal bag

Ans : Lysosomes  

Traffic Police of the cell 

Ans : Golgibodies  

Skeletal system of the cell

Ans : Endoplasmic reticulum

The cell having most life span in human body

Ans : RBC

Cytoplasm and Nucleus are included in

Ans : Protoplasm

The cell organelle known as protein factory

Ans : Ribosome

The organelle in the site of protein synthesis

Ans : Ribosome

Ribosome has its own

Ans : RNA

Two types of acids present in cell 

Ans : DNA and RNA 

The basic unit of chromosome 

Ans : DNA

The functional unit of DNA 

Ans : Genes

Function of DNA

Ans : Transmission of hereditary traits

Function of RNA

Ans : Protein synthesis 

Each chromosome has 

Ans : A pair of DNA 

DNA sugar is called

Ans : Deoxyribose

The nitrogen bases in DNA

Ans : Adenine, Guanine, Thymine, Cytosine 

The RNA sugar 

Ans : Ribose

The nitrogen bases in RNA

Ans : Adenine, Uracil, Cytosine and Guanine

The double helical model of DNA was discovered by

Ans : James Watson and Francis Crick

The enzyme present in lysosome 

Ans : Hydrolytic enzyme 

Lysosome was discovered by

Ans : Christion de Duve (1955) 

Compounds enter the cell through 

Ans : Endoplasmic reticulum 

The cell organelle which is the sites of energy transfer in living cell 

Ans : Mitochondria

The functions of mitochondria

Ans : Cellular respiration, ATP production

The stage of cellular respiration which does not need oxygen 

Ans : Glycolysis

The term Mitochondria was coined by 

Ans : Carl Benda (1898)

Name the process in which the main product is energy

Ans : Cellular respiration 

In mitochondria the energy is formed in the form of

Ans:ATP molecules

Which molecule is known as the energy currency

Ans : ATP molecule

ATP

Ans : Adenosine Triphosphate 

The cell that lacks mitochondria and nucleus 

Ans : RBC

Number of ATP molecule that will get from one molecule of glucose 

Ans : 38ATP

The elements in the component of ATP 

Ans : Nitrogen and phosphorus 

Kerb's cycle is related to 

Ans : Cellular respiration

Cell respiration was discovered by

Ans : Adolf Krebs

The whole process of a cell is controlled by

Ans : Nucleus

The cell without nucleus 

Ans : Prokaryotic cell  

The cell with nucleus 

Ans : Eukaryotic cell

Nucleus was discovered by

Ans : Robert Brown

Name the process in which lysosome digest its own cell organelles 

Ans : Autoplagy

A network like structure inside the nucleus is called

Ans : Chromatin Reticulum 

The structure of cell is first explained in the book of

Micrographia

The living thing which do not obey cell theory.

Ans : Virus

The scientist first studied about all structure and cell reaction 

Ans : Theodor Schwaan 

Schwaan cell are seen in 

Ans : Nerve cell

In plants, boundary of cell is made up of cellulose called 

Ans : Cell wall

Outer most covering of plant cell is made up of

Ans : Cell wall

Cell wall is made up of

Ans : Cellulose

The hardest and undigestable sugar 

Ans : Cellulose

Outermost covering of animal cell is made up of

Ans : Cell membrane

Cotton is the example of 

Ans : Pure cellulose 

The group of cells is known as 

Ans : Tissue

HUMAN BODY

The base of life is 

Ans : Amino acids

The largest cell in human body is 

Ans : Neuron

Life originated from 

Ans : Water

Theory of evolution was proposed by 

Ans : Charles Darwin

The largest cell in human body 

Ans : Ovum

The smallest cell in human body 

Ans : Sperm

The main function of sweating is to regulate the

Ans : Body temperature

Normal temperature of human body 

Ans : 36.9°C (98.4°F)

The temperature of human body in 

Ans : Kelvin scale - 310K

The most abundant mineral in the human body

Ans : Calcium

CENTRAL NERVOUS SYSTEM

Central Nervous System consists of 

Ans : Brain and Spinal cord 

The whole nervous system controlled and co-ordinated by

Ans : Central Nervous System 

The basic unit of nervous system is 

Ans : Neuron

The speciality of neurons from other cell is that they lack the capability of

Ans : Cell division

The speed of impulses through neurons to brain is

Ans : 0.5 -100 m/s

The voltage difference (Resting membrane potential) of nerve fibre 

Ans : 70 mV

Parts of Neuron

Ans : Axon, Dendron and Synaptic knob

The long fibre of neuron

Ans : Axon

Axon is covered by

Ans : Myelin Sheath 

Myelin sheath is made up of 

Ans : Fat molecules

Synaptic knob is seen at the top of 

Ans : Axon

Group of axons which are covered by connective tissue known as 

Ans : Nerves

Nerves are of three types

Ans : Sensory nerves, Motor nerves and Mixed nerves

The nerves that conduct impulses from sensory organs to brain or spinal cord is called

Ans : Sensory nerves 

Mixed nerves are formed by

Ans : Sensory nerves and motor nerves

The axonite passes an impulse into another neuron through a junction called 

Ans : Synapse

The transmitter substances which are present in the synapse are usually in the form of

Ans : Acetylcholine

Colour of the myelin sheath

Ans : White colour

The group of nerve cells which lack the myelin sheath are called

Ans : Grey matter

The group of nerve cell with myelin sheath are called

Ans : White matter

11th cranial nerve is an example of

Ans : Motor nerves

Vagus (cranial nerve), spinal nerve etc are examples of

Ans : Mixed nerves

Optic nerve is an example of

Ans : Sensory nerves

The disease that occurs due to the loss of neuron in the brain 

Ans : Alzheimer's disease

The loss of motor neuron in the body 

Ans : Parkinson's disease

BRAIN

Brain is enclosed and protected in

Ans : Cranium

Average weight of an adult human brain

Ans : 1.4 kg (1400 gm)

Brain is covered and protected by a three layered membrane known as

Ans : Meninges

Meningitis is affected to

Ans : Meninges

The diagnosis of bacterial meningitis is done by culture of

Ans : CSF sample

Vasopressin and oxytocin are produced by 

Ans : Hypothalamus

It also controls the hormone production of 

Ans : Pituitary gland

ADH (Vasopressin) is the hormone which regulates

Ans : Water content in the body 

Key hormone for child birth 

Ans : Oxytocin

Oxytocin also maintains the normal level of 

Ans : Blood particles

The clear, colorless body fluid found in the brain and spine

Ans : Cerebrospinal fluid (CSF)

The fluid protects against the mechanical injury and external shock

Ans : Cerebrospinal fluid (CSF)

Brain can be divided into three parts 

Ans : Cerebrum, Cerebellum and Medulla oblongata

CEREBRUM

The largest part of the brain

Ans : Cerebrum

The surface of the cerebrum is closely packed with cell body of 

Ans : Neurons

The nerve band which separates the right and left hemispheres of the brain is called

Ans : Corpus callosum

The special nerve for speech language in the brain

Ans : Broca's area

The part of the cerebrum which is known as sensory speech area (motor speech area)

Ans : Broca's area

The seat of intelligence in brain

Ans : Cerebrum

The part of the cerebrum associated with the ability of recognise and understand language

Ans : Wernickers area

The part of brain which controls thoughts, emotion, will power, memory, consciousness, imagination, experience, recognisation, reasoning, laughing 

Ans : Cerebrum

All voluntary actions are controlled by 

Ans : Cerebrum

CEREBELLUM

Second largest part of the brain 

Ans : Cerebellum

Cerebellum is seen just below the 

Ans : Cerebrum

Cerebellum controls

Ans : Muscular movements

Equilibrium, Orientation and Balance of the body are controlled by

Ans : Cerebellum

Cerebellum is also known as 

Ans : Little brain 

Alcohol affects the 

Ans : Cerebellum

MEDULLA OBLONGATA

The posterior most part of the brain 

Ans : Medulla Oblongata 

Medulla Oblongata seems like a rod and attached to the 

Ans : Cerebellum

Involuntary actions like respiration, heart beat, contraction of blood vessels etc. are controlled by

Ans : Medulla Oblongata

The control centers of sneezing, coughing vomiting etc are also present in 

Ans : Medulla Oblongata 

The part of brain in which an injury causes a sudden death

Ans : Medulla Oblongata

THALAMUS

Thalamus is seen inside the 

Ans : Brain

The centre of retransmission of impulses from cerebrum to cerebellum 

Ans : Thalamus 

Pain killers works on 

Ans : Thalamus

HYPOTHALAMUS

Hypothalamus is seen just below the 

Ans : Thalamus

Temperature regulation, hunger, thirst, emotional reactions etc are controlled by 

Ans : Hypothalamus

Thermo regulatory centre of the human body

Ans : Hypothalamus

Part of the brain that helps to maintain the normal constitution of blood

Ans : Hypothalamus

SPINAL CORD

Spinal cord extends from medulla oblongata to posterior most part of 

Ans : Vertebral column 

Length of Spinal cord

Ans : 45 cm

Spinal cord is also covered with 

Ans : Meninges

Spinal cord is situated in the neural canal of 

Ans : Vertebral column  

The site of reflex actions 

Ans : Spinal Cord

CRANIAL NERVES

The nerves arising from the different part of brain is called

Ans : Cranial nerves

Number of cranial nerves

Ans : 12 pairs

Number of spinal nerves

Ans : 31 pairs 

The longest cranial nerve in human body

Ans : Vagus nerve

SENSORY ORGANS

Environmental changes are detected through our

Ans : Sense organs

The human sense organs contain receptors that relay information through sensory neurons to the appropriate places within the

Ans : Nervous system

Eyes help to see the objects

Eyes are situated inside a body cavity of the skull called

Ans : Orbits

Study of eye and eye diseases

Ans : Ophthalmology

There are three layers present in the eye ball

Ans : Sclera, Choroid, Retina

The transparent front portion of sclera is known as

Ans : Cornea

The middle layer of eye, nourishes oxygen and food

Ans : Choroid

Behind the cornea the front portion of choroid, hangs like a vertical curtain called

Ans : Iris

The opening seen at the centre of iris is called

Ans : Pupil

The convex lens is present just behind the 

Ans : Pupil

The innermost layer of eye where the image is formed

Ans : Retina

The space between lens and cornea is called

Ans : Aqueous chamber

Aqueous chamber is filled with

Ans : Aqueous humour

Aqueous humour supplies oxygen and nutrition for

Ans : Lens and cornea

The space between lens and retina is called

Ans : Vitreous chamber

Vitreous chamber is filled with

Vitreous humour

Vitreous humour helps to maintain the shape of

Ans : Eyeball

The 'safe guards of eye'

Ans : Eyelids

Yellow spot (fovea) is seen in

Ans : Retina

The area of keenest vision and the region is characterised by the presence of cones only

Ans : Yellow spot

Outer layer of eye - Sclera  

Middle layer of eye - Choroid 

Inner layer of eye - Retina

The cells responsible for dim light vision 

Ans : Rods cells

The pigment present in rod cells 

Ans : Rhodopsin 

Rhodopsin is called 

Ans : Visual purple

The compound obtained from vitamin A help to synthesize Rhodopsin

Ans : Retinin

The poor vision in Dim light is caused due to the deficiency of

Ans : Vitamin A

The poor vision in Dim light is known as 

Ans : Night Blindness

Cone cells help to percept the colours and cone cells contain a pigment called

Ans : Photospin

Cells responsible for bright light vision and colour vision

Ans : Cone Cells

The enzyme present in tears are 

Ans : Lysozymes

If the distant object is looked at fixedly, a clear image is formed in

Ans : Yellow spot

The right distance which enable the proper vision is

Ans : 25cm

The metal responsible for brightness of eye

Ans : Zinc

The metal seen in tear is 

Ans : Zinc

The lens present in eye is 

Ans : Biconvex lens 

The lachrymal glands produce 

Ans : Tears

EYE DISORDER 

The disease caused by a reduction in the elasticity of lens, with age is called 

Ans : Presbyopia

The lens becomes either partially or completely opaque with age 

Ans : Cataract

The condition of not seeing distant objects clearly since the image is formed in front of the retina 

Ans : Short-sight

Short- sight is otherwise known as

Ans : Myopia (Near- sightedness)

The defect of short- sight is corrected by using

Ans : Bi concave lens

The condition of not seeing near objects clearly since the image is formed behind the retina

Ans : Long-Sight

Long-sight is otherwise known as 

Ans : Hypermetropia  

The defect of long- sight is corrected by using

Ans : Bi convex lens 

The condition of curvature of cornea become irregular and the image is not clearly formed

Ans : Astigmatism  

The defect of Astigmatism is corrected by using

Ans : Cylindrical lens

The condition in which the eyes do not properly align with each other when looking at an object

Ans : Crossed eye / Strabismus /Squint Eye

Squint eye is otherwise known as 

Ans : Crossed eye / Strabismus

The defect of squint eye is corrected by 

Ans : Eye surgery

The condition due to the increase of j pressure in the eye ball 

Ans : Glaucoma

Pain in eyes and seeing halos around light are due to 

Ans : Glaucoma

Inflammation of the outermost layer of the white part of the eye and the inner surface of the eyelid

Ans : Conjunctivitis (pink eye)

Disable to distinguish the colours is known as

Ans : Colour Blindness

A person who suffers colour blindness cannot distinguish

Ans : Red and Green 

Colour blindess is also known as 

Ans : Daltonism

Colour blindness was discovered by 

Ans : John Dalton

The procedure of replacing abnormal corneal tissue with a healthy cornea is known as

Ans : Keratoplasty

The newly discovered layer in human cornea is

Ans : Dua's layer

Dua's layer is discovered by the Indian Scientist

Ans : Harminder Singh Dua

The abnormal protrusion of the eyeball or eyeballs is called

Ans : Exophthalmos

The visual activity can be measured using an eye chart called 

Ans : Snellen chart

The retention of a visual image for a second after the removal of the object is called

Persistence of vision The instrument used to examine the inner eye

Ophthalmoscope

The first eye transplant surgery was done by

Edward Konard Sim (1905)

EAR

The organ of hearing and equilibrium 

Ans : Ear

Each ear consists of three parts

Ans : External ear, middle ear and inner ear

The external or outer ear consists Of 

Ans : Pinna, auditory canal and tympanic membrane 

The narrow cavity middle ear consists of network of three bones

Ans : Malleus, incus and stapes 

The minimum sound frequency for a human can hear 

Ans : 20Hz

A normal person hears sound frequencies from

Ans : 20Hz to 20,000 Hz

Hammer like bone in the middle year 

Ans : Malleus

Anvil like bone in the middle ear 

Ans : Incus

Horse shoe shaped (stirrup) bone in ear

Ans : Stapes

The smallest bone in human body 

Ans : Stapes

The narrow tube which connects the pharynx to middle ear cavity is called 

Ans : Eustachian tube

The narrow tube which helps to maintain the air pressure of ear cavity 

Ans : Eustachian tube

The membrane which separates middle ear from inner ear is called 

Ans : Oval window 

Inner part of the inner ear

Ans : Vestibule, cochlea and semi circular canals

The calcium carbonate particles present in Vestibules are called 

Ans : Otoliths

The fluid filled in the inner ear are 

Ans : Perilymph and Endolymph 

The equilibrium of the body is maintained by 

Ans : Vertibules and semi circular canals

The instrument used for examining the outer ear drum 

Ans : Otoscope

The part of ear which has a shape of small snail shell 

Ans : Cochlea

The part of ear which helps hearing 

Ans : Cochlea

TONGUE

The taste sensation is possible through 

Ans : Taste buds

The small projections on the surface of tongue are called

Ans : Papillae

The nerve that is related to the movement of tongue is called

Ans : Hypoglossal Nerve

The nerve related to taste, facial expression etc

Ans : Facial Nerve

Taste buds at the tip of the tongue are sensitive to

Ans : Salt and Sweet taste

Taste buds at the both side of the tongue are sensitive to

Ans : Sour taste

Taste buds at the back of the tongue are sensitive to

Ans : Bitter taste

The disease affecting the tongue is called 

Ans : Red Beef Tongue 

Substance which evokes sour taste 

Ans : H ions

Substance which evokes salt taste 

Ans : Na ions

SKIN

The study of skin is 

Ans : Dermatology

The largest sensory organ in the body 

Ans : Skin

Largest organ in the body 

Ans : Skin

The sense of touch is great at the tips of 

Ans : Fingers and toes

Skin weighs about 

Ans : 5.5 Kg

Immunity, water balance, temperature regulation etc are functions of the 

Ans : Skin

The outer layer of skin is called 

Ans : Epidermis

The inner layer of skin is called 

Ans : Dermis

Through respiration we obtain 

Ans : Oxygen

The respiratory system extends from nostrils to 

Ans : Lungs

The arrangement to prevent the food particles entering the trachea during respiration is called 

Ans : Epiglottis

The wall of the trachea is made up of 

Ans : 'C' shaped cartilaginous rings

Lungs are situated in

Ans: Thorax

The organ without muscles

Ans: Lungs

These airsacs are known as alveoli (Singular: alveolus)Haemoglobin in RBC transport 

Ans : Oxygen

The air that is expired and inspired during a normal respiration is called 

Ans : Tidal air

The volume of air inspired and expired during normal respiration is called 

Ans : Tidal volume (500ml)

The condition in which a person is not able to respire normally and won't get enough oxygen is called 

Ans : Asphyxia 

Lungs volume can be measured using 

Ans : Spirometer

Pneumonia, Bronchitis, Emphysema, SARS, Silicosis, Tuberculosis, Asthma etc are diseases which affect the 

Ans : Lungs

The amount of oxygen in expired air 

Ans : 16%

The amount of oxygen is inspired air 

Ans: 21%

The amount of C02 in inspired air 

Ans : 5%

The amount C02 in expired air 

Ans: 0.03%

CELLULAR RESPIRATION

The reactions takes place in the cell to liberate energy is called

Ans : Cellular respiration 

Mitochondria was discovered by 

Ans : Richard Altman (1886) 

Powerhouse of the cell 

Ans : Mitochondria 

Mitochondria converts oxygen and nutrients into 

Ans : Energy

In Mitochondria energy is stored in the form of 

Ans : ATP

Kreb's cycle takes place in 

Ans : Mitochondria

DIGESTIVE SYSTEM

The food we will eat pass through 

Ans : Alimentary canal The organ which prevents the 

The organ which prevents the entering of food in naso pharynx 

Ans : Uvula

The pigment gives colour to skin

Ans : Melanin

The deficiency of melanin leads to a disease called

Ans : Albinism

The fluid gives softness to the skin and hair

Ans : Sebum

Sebaceous glands are the excretory glands

Eczema, Psoriasis, Melanoma, vitiligo etc are diseases that affected the

Ans : Skin

The disease in which the patches of epidermis detaches from the skin

Ans : Psoriasis

The average days takes to replace total old skin in human

Ans : 30 days

Warts is caused by

Ans : Virus

NOSE

The organ for both respiration and sense of smell

Ans : Nose

The condition in which smell cannot be recognized

Ans : Anosmia

The nerve which related to olfactory is known as

Ans : Olfactory nerve

The condition of bleeding from nose

Ans : Epistaxis

Snakes, lizards etc can detect smell through their

Ans : Tongues

The part of the brain which helps in olfactor is

Ans : Cerebrum

The ability of olfaction is high in

Ans : Sharks

In land the ability of olfaction is high in 

Ans : Dog 

ANIMALS AND THEIR WEIGHT OF BRAIN

Sperm whale- 7800g

Elephant - 5000g

Dolphin - 1700g

Human - 1400g

Horse - 530g

Cow - 500g

Chimpanzee- 420g

Dog - 72g

Cat - 30g

Rabbit - 12g

Owl - 2.2g

Rat - 2g

Frog - O.1g

RESPIRATORY SYSTEM

Energy for the life activities are obtained from

Ans : Food

The element which helps to release energy from food particles

Ans : Oxygen

The masticated food moves to stomach through

Ans : Oesophagus

The fluid which helps to break down lipid to smaller particles 

Ans : Bile

Bile is secreted in 

Ans : Liver

Digestive enzyme of starch

Ans : Amylase

Digestive enzyme of protein

Ans : Pepsin

Digestive enzyme of fat

Ans : Lipase

The enzyme present in saliva

Ans : Ptyalin

The enzyme which destroys the micro organisms in the food particles 

Ans : Lysosyme

The protein which cannot digest by Pepsin 

Ans : Keratin

The pigments present in bile 

Ans : Bilirubin and biliverdin

The largest organ inside the human body 

Ans : Small intestine

The water absorption takes place in 

Ans : Large intestine 

The nutrients in the digested food are absorbed from

Ans : Small intestine

Enzyme which converts starch to maltose 

Ans : Ptyalin

The hormone secreted by stomach 

Ans : Gastrin

KIDNEY

Study of Kidney

Ans : Nephrology

The bean shaped organ in human body 

Ans : Kidneys

The major excretory organ in human body Pair of 

Ans : Kidney

Name the tube that carries the wire from kidney to urinary bladder

Ans : Ureter

The organ which purify the blood and the waste materials excreted through urine

Ans : Kidneys

The organ situated behind the abdomen, are on each side of vertebral column

Ans : Kidneys

Each kidney weighs about 

Ans : 150 g

1100 ml of blood pass through the kidney per

Ans : Minute

The micro sieves inside the kidney 

Ans : Nephrons

The cup shaped part of a nephron 

Ans : Bowman's capsule 

The capillaries of the Bowman's capsule 

Ans : Glomerulus

The organ affected by the poison of viper 

Ans : Kidney

The 96% of urine is 

Ans : Water

2% of urine is composed of 

Ans : Urea and salt

The pale yellow colour of urine is the presence of a pigment known as 

Ans : Urochrome

About 1.5 litre of unire is secreted by an adult man in 

Ans : 24 hours

The hormone helps the kidney to reabsorb the water

Ans : Anti Diuretic Hormone 

Diabetes insipidus is the disease caused by the deficiency of

Ans : ADH (vasopressin)

The disease caused by the inflammation of nephron

Ans : Nephritis 

Nephritis is also known as 

Ans : Bright's Disease 

Surgical removal of kidney is called 

Ans : Nephrectomy First transplanted organ Kidney

First kidney transplantation was done by 

Ans : Dr.R.H.Laler (1950)

The element which causes kidney diseases 

Ans : Cadmium

The type of pain caused by kidney stones when it blocks the urinary tract 

Ans : Renal colic

Chemically kidney stone is 

Ans : Calcium Oxalate

Renal artery is the blood vessel that carries blood to

Ans : Kidney

The blood vessel which carries blood filtered by the kidney 

Ans : Renal vein

The process of removal of urea from the blood by equipments when both kidneys failed to remove urea 

Ans : Dialysis

CIRCULATORY SYSTEM

Circulatory system include

Ans : Blood, blood vessels and heart 

Blood Circulation was discovered by 

Ans : William Harvey

The insect which has open circulatory system

Ans : Cockroach

Phylum Arthropods possess open circulatory system

Cockroach is the living being having most number of

Ans : Chambers in heart

Number of chambers in the heart of a cockroach

Ans : 13

The blood of cockroach is colourless due to the absence of

Ans : Haemoglobin

Closed type circulatory system is present in

Ans : Earth worm

The living being which has the smallest heart

Ans : Earthworm

In earthworm the heart is known as

Ans : Lateral hearts

Human being possess

Ans : Closed circulatory system

The important parts of human circulatory system are

Ans : Blood, blood vessels and heart

The blood capillaries were identified by

Ans : Marcello Malpighi

The instrument used to measure the blood pressure

Ans : Sphygmomanometer

The process of formation of blood cells

Ans : Haemopoiesis

The blood cells without nucleus

Ans : RBC and platelets

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