Discuss the important characteristic features of plantation agriculture. Name
a few important plantation crops from different countries.
The earth reaches its perihelion in:
(a) October (c) July
(b) September (d) January
The distance between the earth and the moon is minimum when the moon
is in :
(a) Aphelion (c) Perihelion
(b) Perigee (d) Apogee
Large scale dairy farming is the result of the development of transportation and refrigeration?
Spring tides are caused :
(a) As result of the moon and the sun pulling the earth gravitationally
in the same direction.
(b) As result of the moon and the sun pulling the earth gravitationally
in the opposite direction.
(c) Indention in the coast line.
(d) None of the above.
You may have noticed that a few sharp jerks are given to clinical
thermometer before using it. Why is it done so?
In a mercury thermometer, the level of mercury rises when its
bulb comes in contact with a hot object. What is the reason for
this rise in the level of mercury?
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