Description : Sea water is saltier than rain water because – (1) rivers wash away salts from earth and pour them into the sea (2) sea beds have salt producing mines (3) sea animals are salt producing (4) the air around the sea is saltish
Last Answer : (1) rivers wash away salts from earth and pour them into the Explanation: Sea water is saltier than rain water because rivers wash away salts from earth and pour them into the sea.
Description : Sea water is saltier than rain water because – (1) Sea animals are salt producing (2) The air around the sea is saltish (3) Rivers wash away salts from earth and pour them into the sea (4) Sea beds have salt producing mines
Last Answer : (3) Rivers wash away salts from earth and pour them into the sea Explanation: Seawater is salty because rainwater dissolves the salt minerals found in soil and rocks as it travels through rivers ... sea The rain that falls on the land contains some dissolved carbon dioxide from the surrounding air.
Description : Sea water is saltier than rain water because (1) Sea animals are salt producing (2) The air around the sea is saltish (3) Rivers wash away salts from earth and pour them into the sea (4) Sea beds have salt producing mines
Last Answer : Rivers wash away salts from earth and pour them into the sea
Description : Sea water is saltier than rain water because
Last Answer : Rivers wash away salts from the earth and pour them into the sea
Description : The term territorial water means (1) The water found within the country in form of rivers and lakes (2) The water secured from other countries (3) The water which is supplied to other countries (4) Water of the sea located close to the coast of a country
Last Answer : Water of the sea located close to the coast of a country
Description : Ground water from artesian wells (A) Contains no suspended materials (B) Contains dissolved salts (C) May be saltish and hard (D) All the above
Last Answer : (D) All the above
Description : Frontal Rain is caused by (1) Convection current (2) Winds from sea (3) Cyclonic activity (4) Condensation of water evaporated from mountains
Last Answer : Cyclonic activity
Description : The main source of usable water on the Earth is (1) Oceans (2) Rivers (3) Underground water (4) Precipitation
Last Answer : Underground water
Description : Stars twinkle but planets do not twinkle because (1) they emit light of a constant intensity (2) their distance from the earth does not change with time (3) they are very far away from ... and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable
Last Answer : they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable
Description : The word Biosphere refers to : (1) Zone of soil, water and air around earth capable of supporting the flora and fauna. (2) Part of earth surface which can support the flora (3) Parts of air around earth a where life can exist (4) Zone of water on earth which can support life.
Last Answer : Zone of soil, water and air around earth capable of supporting the flora and fauna.
Description : The main cause of recurring flood is (1) Soil erosion (2) Deforestation (3) Silting of river beds (4) All of the above
Last Answer : All of the above
Description : The fur of the animals living in colder regions (1) protects them from water (2) traps the air and keeps them warm (3) protects them from enemies (4) makes them appear beautiful
Last Answer : traps the air and keeps them warm
Description : The presence of a lion in the forest is essential in order to (1) keep the trees safe from felling (2) add beauty in the forests (3) save the pastures from being overgrazed (4) keep other carnivorous animals away
Last Answer : save the pastures from being overgrazed
Description : The ‘EL Nino’ phenomena which sparks climatic extreme around the globe, originates in the (1) Sea of China (2) Pacific Ocean (3) Indian Ocean (4) Atlantic Ocean
Last Answer : Pacific Ocean
Description : The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river
Last Answer : one organism to another
Description : The tides in the sea are primarily due to (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth
Last Answer : the gravitational effect of the Moon on the Earth
Description : Tides in the sea are caused by (1) effect of Sun (2) effect of Moon (3) eombined effect of Moon and Sun (4) gravitational force of Earth and Sun
Last Answer : eombined effect of Moon and Sun
Description : Pulsars are (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars
Last Answer : rapidly spinning stars
Description : Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms
Last Answer : the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms
Description : Echo sounding is the tech-nique applied to— (1) measure the depth of the sea (2) measure the amplitude of sound waves (3) record earthquake waves (4) record the density of air in the atmosphere
Last Answer : measure the depth of the sea
Description : The term “Doab” means (1) a land between two mountains (2) a land between two lakes (3) a land between two rivers (4) a land between two seas
Last Answer : a land between two rivers
Description : Meanders are the features formed by (1) glaciers (2) rivers (3) winds (4) ocean waters
Last Answer : rivers
Description : Which one of the following rivers crosses the tropic of capricorn twice ? (1) Vaal (2) Limpopo (3) Nizer (4) Zambezi
Last Answer : Limpopo
Description : Which of the following rivers lies in a rift valley? (1) Luni (2) Chambal (3) Sone (4) Tapti
Last Answer : Tapti
Description : The word ‘dendritic’ is associated with— (1) wind (2) waves (3) rivers (4) glaciers
Description : Which one of the following rivers forms an estuary ? (1) Ganga (2) Tapti (3) Godavari (4) Mahanadi
Description : Equator represents (1) line joining North and South poles (2) imaginary line passing round the Earth midway between North & South poles (3) a belt (ring) around the planet Saturn (4) axis of rotation of Earth
Last Answer : imaginary line passing round the Earth midway between North & South poles
Description : Tides in the sea have stored in them : (1) Hydraulic energy (2) Kinetic energy (3) Gravitational potential energy (4) A combination of all the above three forms of energy
Last Answer : Gravitational potential energy
Description : Evergreen rain forest is mainly found in regions having well distributed annual rainfall (1) Below 50 cm (2) 50-100 cm (3) 100-200 cm (4) More than 200 cm
Last Answer : More than 200 cm
Description : Which is a tropical food crop requiring a temperature of 270 C and a rain fall more than 100 cm? (1) Wheat (2) Maize (3) Rice (4) Barley
Last Answer : Rice
Description : Best way to conserve our water resources : (1) Rain water harvesting (2) Sustainable water utilization (3) Encouragement of natural regeneration of vegetation (4) All of the options mentioned here.
Last Answer : All of the options mentioned here
Description : Which of the following is FALSE with respect to rain water harvesting ? (1) It is a device of water conservation. (2) It helps raising water table. (3) It helps meet rising water demand. (4) It increases run-off losses.
Last Answer : It increases run-off losses.
Description : The main advantage of Rain? Water Harvesting (RWH) is (1) Recharge ground water (2) Avoid floods (3) Reduce the loss of water (4) Avoid soil erosion
Last Answer : Recharge ground water
Description : Sand generally contains salt if it is obtained from: (A) Nala beds (B) River beds (C) Sea beds (D) None of these
Last Answer : Answer: Option C
Description : Why are winters more severe in Southern Hemisphere than in Northern Hemisphere? (1) Earth is titled towards the sun in the Northern Hemisphere (2) Northern Hemisphere receives more sunlight (3) Because of more iceberg activity in Southern Hemisphere (4) Southern Hemisphere is less inhabited
Last Answer : Earth is titled towards the sun in the Northern Hemisphere
Description : The moon is showing its same face to the earth because (1) It is not rotating about its own axis (2) Its rotation and revolution are opposite (3) Its periods of rotation and revolution are the same (4) Its rotation is faster than its revolution
Last Answer : Its periods of rotation and revolution are the same
Description : A place where there is constant intermingling of salt water and fresh water is ____ (1) Estuary (2) Delta (3) Gulf (4) Bay
Last Answer : Estuary
Description : The maximum biodiversity is found in (1) Tropical rain forests (2) Temperate forests (3) Coniferous forests (4) Arctic forest
Last Answer : Tropical rain forests
Description : Tropical rain forest is characterised by (1) Absence of trees (2) Least productivity (3) Maximum biodiversity (4) Minimum biodiversity
Last Answer : Maximum biodiversity
Description : Soil which is prone to intensive leaching due to rain is called (1) Laterite (2) Black (3) Alluvial (4) Red
Last Answer : Laterite
Description : Laterite soils are found in area where– (1) normal temperature and rain fall is less (2) temperature is high and rainfall is heavy (3) temperature is low and rainfall is nominal (4) temperature is high and rainfall is normal
Last Answer : temperature is high and rainfall is heavy
Description : The coral reefs are the marine counterparts of (1) Temperate forests (2) Tropical rain forests (3) Savannahs (4) Scrubland
Description : Which of the following is/are ‘rain cloud’? 1. Cirrus 2. Nimbostratus 3. Cumulonimbus 4. Altocumulus (1) 1 and 2 only (2) 2 and 3 only (3) 3 and 4 only (4) 1 and 4 only
Last Answer : 2 and 3 only
Description : Precipitation in the form of a mixture of rain and snow is called (1) Drizzle (2) Hail (3) Sleet (4) Snow
Last Answer : Sleet
Description : ‘Cloud burst’ means (1) Sowing of seeds of a crop in cloudy weather. (2) Abnormally heavy downpour of rain, associated with a thunderstorm. (3) Formation of artificial rain. (4) Presence of scattered flakes of cloud in the sky.
Last Answer : Abnormally heavy downpour of rain, associated with a thunderstorm.
Description : The Mediterranean region are characterized by heavy rain in: (1) Winter (2) Spring (3) Autumn (4) Summer
Last Answer : Winter
Description : Cloud burst means (1) Formation of artificial rain (2) Abnormally heavy downpour of rain, associated with thunderstorm (3) Presence of scattered flakes of cloud in the sky (4) Sowing of seeds of a crop in a cloudy weather
Last Answer : Abnormally heavy downpour of rain, associated with thunderstorm
Description : The largest forest which covers 25 percent of the world’s forest land is : (1) The Tropical Rain forest (2) Taiga forest of Siberia (3) Monsoon forest (4) Temperate forests of Europe
Last Answer : Taiga forest of Siberia
Description : ‘Willow’ for a cricket bat is obtained from (1) Tropical forests (2) Rain forests (3) Deciduous forests (4) Coniferous forests
Last Answer : Deciduous forests
Description : Tundras are (1) Deciduous forests (2) Tropical rain forests (3) Cold deserts (4) Hot deserts
Last Answer : Cold deserts