68301. The products of ____ are a major source of sediments for erosion and ____
68302. The polar regions of earth cannot support forest growth because
68303. The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as
68304. The ridges of the waves are where the jet stream of waves closes to the
68305. The rate at change of temperature is called
68306. The rate of infiltration normally declines rapidly during the early part of rainstorm event and reaches a constant value after several hours of rainfall. The factors responsible for this phenomenon are the filling of fine soil pores with water, which reduces capillary forces moistened soil, clay particles to swell and reduce the size of pores raindrop impact breaking up with soil clumps, splashing fine particles into pores
68307. The process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called
68308. The obscuring of one celestial body by another, particularly that of the sun or a planetary satellite
68309. The river Sutlej, on which the Bhakra Dam has been built, originates from
68310. The process of destruction or dying of fronts is called
68311. The Palaeozoic era starts at ____ million years ago and ends at ____ million years ago.
68312. The reaction is carbonate and bicarbonate ions with mineral is called
68313. The plants grown in equatorial regions include
68314. The process that may cause physical weathering or mechanical rupture are
68315. The process of particle detach ment by moving glacial ice is called
68316. The points in the ecliptic farthest north and south of the celestial equator are called
68317. Which of the following is concerned with the description and mapping of the main features of the universe?
68318. The process that creates the deep oceanic trenches is called
68319. The rainfall in the peninsular interior averages about
68320. The Palaeozoic era contains ____ time periods.
68321. The northern portion of the western coastal plain is called
68322. The ozone layer at high altitude contains
68323. The number of a topographic map is 47A/16/NW. Its scale must be
68324. The right ascension is the equivalent of longitude on the celestial sphere, and it is given in the units of
68325. The radiation belts are zones in space around the
68326. The periods of different eras are further divided into
68327. The Plio-Pleistocene boundary lies about ____ years ago, at the beginning of the interval of warming after the last Pleistocene glaciations.
68328. The production of wheat has increased mainly due to
68329. Which of the following is not a kharif crop?
68330. The shape of earth is
68331. The tertiary winds on the north of the Alps (Europe) are called
68332. The tropical easterlies wind lie at
68333. The spring season in the north temperate zone is when
68334. The term 'Abyssal refers to
68335. The transport of warm air toward the poles and cold air toward the equator is due to
68336. The traditional lands of the nomads of Central Asia are
68337. The time interval from when the given star passes directly overhead to when it next passed directly overhead, is defined as
68338. The three recognized major fishing grounds of the world are located in the
68339. The variation in the duration of the day and the night is due to earth's
68340. The sulphites are a mineral group that contain one or more metallic elements in combination with the sulphate compound ____
68341. The term 'flora' in the context of natural vegetation refers to
68342. Which of the following is concerned with the study of characteristics, origin and development of land forms?
68343. The soils common to the south eastern USA are called
68344. The southernmost part of the world is
68345. The texture of a soil refers to
68346. The steady or initial phase of the magnetic storms is
68347. The Suez canal connects the
68348. The uppermost epoch of the Neogene period is
68349. The type of igneous rock that form from magma is a function of
68350. The slow down slope movement of soil and sediment because of frost heaving and thawing is called