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1951.

Which of the following is a ferrous mineral?

Answer»

COPPER
IRON ORE
Aluminium
Tin

Solution :Iron Ore
1952.

Why does rainfall on the Western Ghats decrease from south to north ?

Answer»

Solution :Rainfall on the Western Ghats DECREASES from south to north because the height of the Western ?Ghats in the south is maximum and it GOES on decreasing northwards allowing progressively LESS condensation. It RESULTS in the decrease of rainfall from south to north. MOREOVER the period of onset and withdrawal of monsoon in south is more than that in the north. It results in more rainfall in southern parts than in the northern parts of the Western Ghats.
1953.

Write a short note on biosphere.

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Solution :Life on the earth is found almost EVERYWHERE. Living organisms are found from the poles to the equator, from the bottom of the sea to SEVERAL kilometres in the air, from FREEZING waters to dry valleys, from under the sea to underground water lying below the earth.s surface. The biosphere INCLUDES all the living components of the earth. It consists of all plants and animals, including all the micro-organisms that live on the planet earth and their INTERACTIONS with the surrounding environment. The biosphere and its components are very significant elements of the environment. These elements interact with other components of the natural landscape such as land, water and soil. They are also influenced by the atmospheric elements such as the temperature, rainfall, moisture and sunlight. The interactions of biosphere with land, air and water are important to the growth, development and evolution of the organism.
1954.

Which of the following process is not associated with physical weathering?

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FROST wedging
Expansion
CARBONATION
Thawing

Solution :Carbonation
1955.

Where do the cyclones cause rainfall in November ?

Answer»

SOLUTION :On the EASTERN COASTS of the PENINSULAR INDIA.
1956.

When can an earthquake cause tsunami?

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Solution :An EARTHQUAKE can take form of tsunami if its EPICENTRE is below ocean and its magnitude is very high. An earthquake of magnitude more than 5 on Richter scalecan PROVE to be very dangerous.
1957.

Who was the profounder of plate tectonic theory?(1) Arthur Holmes(2) McKenzie, Parker and Morgan(3) Admans Heinz(4) Alfred Wegener

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SOLUTION :MCKENZIE PARKER and MORGAN
1958.

Which river has formed Sunderban delta?

Answer»

Ganga
Krishna
GODAVARI
SABARMATI

ANSWER :A
1959.

Which of the following is not relief map?

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MOUNTAIN
PLATEAU
SOIL
PLAINS

SOLUTION :Soil
1960.

Why is Planimeter used?

Answer»

SOLUTION :PLANIMETER is an instrument USED to measure AREA on a map.
1961.

Which of the following does not have qualities of developable surface?

Answer»

Conical
Cylindrical
Plane
GLOBE

SOLUTION :Globe
1962.

Where do highest tide occur in the world?

Answer»

BAY of Fundy in NOVA SCOTIA, Canada
Bay of HUDSON in USA
Bay of Bengal in India
Arabian Sea

Answer :A
1963.

What kind of changes are brought by internal forces?

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Solution :Internal forces GIVE BIRTH to new landforms on the earth.
1964.

Which of the following is a type of mass movement?

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SLOW MOVEMENTS
RAPID movements
Landslides
All the above

Solution :All the above
1965.

Why does the amount of water vapour decreases rapidly with altitude ?

Answer»

Solution :The quantity of water vapour existing in the air depends upon the rate ofevaporation and the temperature of the air which determines its holding CAPACITY of water vapour . Both temperature and evaporation DECREASES with altitude and as a RESULT water vapour also decreases RAPIDLY with altitude.
1966.

When it is 12:00 noon in Greenwich then what will be the time at New York which is located at 74^(@) west ?

Answer»

Solution :At one degree time changes by 4 minutes Difference between Greenwich and NEW York is equal to `74^(@)`.
Therefore time difference
`=74xx4` =4 HOURS 56 minutes (296/60)
Since it is towards, WEST, time will decrease by 4 minutes on each longitude. Therefore, it will be 7:04 am in the MORNING.
1967.

Where does oxidation take place?

Answer»

Where there is READY ACCESS to the ATMOSPHERE and oxygenated waters.
Where there are plants.
Where there is moisture in air.
In MOUNTAINOUS regions.

Solution :Where there is ready access to the atmosphere and oxygenated waters.