Science For You

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Science

Where is the name given to the small dense hot star that has reached the last stage of its life?
White dewarf

In which state substance exists in the sun?
Plasma

Which are the important pulsating nebulae?
Hublind, Toury

How much time required for the sun one revolution on its own axis?
25.4. days

Which is the most helpful star to know direction?
Polestar

Name the scientist who made detailed study of Nova?
Tycho Brache

Which is the earliest work on Astronomy?
Aryabhattiyam

The outer most layer of the sun is called
Corona

The innermost layer in the sun is called
Photosphere

The region between the corona and the photosphere is called
Chromosphere

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Science

Name the scientists who have detailed information about nebulae?
Charles Medier, W.Herschel, Van Mannar, L.H Aller Barman, R Milkovsky

What is the ‘FM” in FM radio?
Frequency Modulation

When was the satellite communication system introduced in our country?
On 2nd February 1971 at Arvi near Pune

Which was the first artificial satellite launched for telecommunication?
Telstar

Where did the first correct television broadcast start? When?
At Alexandra palace in London, 1936

Who were the advocates of architecture post modernism?
Robert Ventury and Charles Moore

What does the VHS in Video denote?
Video Home System

What is the speed of telecom signals?
About the speed of light

‘Small is beautiful’ is a famous book on technology and environment.
Who is the author?
E.F. Schumaker

‘Telex’ is the short form of two words. What are they?
Telegraph and Exchange

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Science

What is the peculiarity of a nuclear clock?
Nuclear clock is the cost accurate. 17 crore years will take to have a second’s difference

Which is the first commercial communication satellite in the world?
Intelsat-1

Which is the medium of satellite communication?
Microwave-radio

In India where did the first cellular systems begin?
Kolkatta

When was the ‘Printogram’ introduced?
1st August 1956

Cyber space is the space in which electronic communication takes place over computer networks. What are the other names of this?
Infoban, Information Super Highway

The aeroplane that travels faster than sound in the air
Supersonic

What is Wi-Fi?
It is an open standard technology that enables you to build wireless connectivity between laptops and local area net works

What is tele communicational integration
Doing different works in the same line?

What is the name given to the use of biological process in the field of industry and medicines especially antibiotics?
Biotechnology

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Science

Which part of the body is affected by hepatitis?
Liver

Which disease is known as Hansen’s disease?
Leprosy

Which hormone is responsible for ferminity?
Oestrogen

Who discovered virus for the first time?
lvanosky

Which is the biggest salivary gland?
Parotid gland

Which gland secrets tears?
Lachrymal gland

Which organ is affected by Malaria?
Spleen

What is the full from of B.C.G vaccine?
Bacillus Calmette Guerin

Which is the hardest part in human body?
Enamel of tooth

Removal of a breast is known as
Mastectomy

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Science

Which is the gland that keeps the balance of water and salt in human body?
Adrenal gland

Hair and nail in the body in produced by of which organ?
Skin

Which vitamin is produced with the help of sunlight
Vitamin D

How much blood does the body have?
Average 5 litres

Who is known as the father of immunology?
Emil Von Behring

Which disease used to be known as ‘jail fever’ because it was frequent in prisoners?
Typhus

What is Lyssophobia?
Morbid fear of insanity

How many boned are there in human foot?
26

Who discovered ‘oral polio vaccine?
Albert Bruce Sabin

What is ‘bruxism’?
Habitual grinding of teeth in sleep

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Science

Which is the biggest organ in our body?
Skin

Which is the major factor of chromosomes?
Genes

Which is the vitamin lost when heates?
Vitamin C

Which is the world AIDS day?
December 1

Which is the biggest muscle in the body?
Gluteus Maximus

Which is the longest cell in the human body?
Neuron

Which is the germ responsible for malaria?
Plasmodium

Which is the biggest cell in the human body?
Male sperm

Which is the chemical factor that gives yellow colour to urine?
Urochrome

Who invented “Cryosurgery’?
Henry Swam, 1953

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Science

How many neurons are there in the brain?
About 1400 crores

The average weight of the pancreas…
98 grams

Which part of the body that is described as ‘Sweet bread’?
Pancreas

What is ‘hypnophobia’?
Morbid fear of sleep or of falling asleep

Wht is ‘amnesia’?
Loss or impairment of memory

What is the full form of S.T.D denotes venereal disease?
Sexually Transmitted Diseases

Which is the sugar contained in the milk?
Lactose

What is the function of the spinal cord?
It carries the messages from the brain to various parts of the body

Which is the factor in sunlight that to the skin?
Ultraviolet rays

Which is the nerve that sends impulses from eyes to brain?
Optic nerve