Science For You

[Perfection]

What are first group elements called ?
Alkali metals

What are second group elements called ?
Alkaline earth metals

What is meant by the word halogen ?
Salt producer

What is the other name for inner transition elements ?
F block elements

Name two elements having the lowest ionization energy ?
Caesium and Francium

Which is the most electronegative element ?
Fluorine

Who developed electronegativity scale ?
L. Pauling

Which element forms large number of hydrides ?
Carbon

Name two elements having largest atomic size ?
Caesium and Francium

What kind of elements generally form coloured compounds ?
Transition metals

[minisoji]

Science

Who developed the primary blue print of the space programme?
Dr.Vikram Sarabhai

When was the first rocket launched from Thumba?
21st November 1963

When was the first satellite of India Aryabhata’ launched?
20th November 1967

Which was Indias second satellite?
Bhaskara

Which was the first artificial satellite launched to the Mars?
Mars III-1971, Russia

Which was the first artificial satellite launched to the Venus?
Venus-3, 1966, Russia

What are sun spots?
The black dots appearing on the sun

Type O blood cells have… so may be safely transfuses to anyone?
Neither A nor B antigen

Which is the largest planet in the solar systems?
Jupiter

Which is the hottest planet?
Venus

[minisoji]

Science

Which is the heaviest planet?
Jupiter

Which is the brightest planet?
Venus

Which is the lightest planet?
Mercury

Who was the first to prove the Copernican theory of solar system?
Kepler

Which is largest satellite in the solar system?
Titan

Which is the only satellite that is proved to have atmosphere?
Titan

Which is the fastest orbiting planet?
Mercury

Which planet is the closest to earth?
Venus

Which is the planet that rotates backward?
Venus

Which planets atmosphere is similar to that of earth’s?
Mars

[minisoji]

Science

Who discovered the existence of water vapour in the Mars?
Huggins

Who detected the dark areas on the surface of the Mars?
W.H. Pickering

Who first time observed the Saturn through a telescope?
Galileo

Who discovered the Uranus?
Sir William Herschel

Which was the space vehicle to the Uranus by America?
Voyager-1977

Who discovered the Neptune?
Leverrier and Adams

Which is the largest asteroid discovered?
Ceres

Who discovered ‘Ceres’?
Giuseppe Piazzi

What is the unknown mineral found in the moon?
Armalcolite

When the earth comes between the sun and the moon, the shadow of the earth falls on the moon. What is the phenomenon called?
Lunar eclipse

[minisoji]

Science

Which is the farthest visible object in space?
Andromeda galaxy

What is the distance from the earth to sun?
149600000 Kms

Which star is nearest to earth?
Sun

How much time is required light to reach the earth from the sun?
8 Minutes

Which is the nearest star visible to naked eye?
Alpha Centauri

This is the most famous comet which reaches the solar system in every 76.3 years. What is its name?
Halley’s comet

Name the Indian astronomer who challenged the famous ‘Big Bang’ theory regarding the evolution of universe?
Jayanth V Narlikkar

Twins developed from separately fertilised ova are..
Fraternal twins

It was an Indian astronomer who states for the first time that the earth revolves on its own axis Who was he?
Aryabhatta

Who discovered ‘radio telescope’?
Karl Jansky-1931

[minisoji]

Science

Who developed ‘radio telescope’
Gorte Reber-1937

Who invented telescope?
Hans Lippershey

Who improved telescope?
Galileo

Where is the largest refractor telescope situated?
At Yerkes Observatory in Chicago University

Which is the largest comet?
Holmes comet

Who is the progenitor of the theory of the ‘evolution of universe’?
Gamov

Who was the first to give evidence to the theory that ‘the universe is expanding always’?
Edwin P Hubble

Where is the largest reflector telescope situated?
At Mount Semirodriki in Mount Caucasus, Russia

What is Van Allen Belt?
This is the ozone region of the ionosphere

Which is the star that is changing into gas?
Nova

[minisoji]

Science

What is the name given to the bright spot on the sun?
Facula

Who propounded the idea “black hole”?
John Archibald

Which branch of the science studies the position of man in the universe?
Anthrospic Cosmology

What is the name given to the large constellation in the southern sky?
Hydra

Which is the eclipse that occurs only in the new moon?
Solar eclipse

What is the unit of distance of stars?
Light year

What is the life span of an ordinary star?
100 crore years

For which discovery did Subrahmaniam Chadrasekhar get Nobel prize?
For the theory about white dwarfs

Which are the six planets that could be seen with naked eyes?
Mercury, Mars, Venus, Saturn, Jupiter and Earth

Where is the solar observatory situated in India?
Ahmedabad