In sea, plants are restricted up to the depth of (1) 20 m (2) 200 m (3) 1000 m (4) 2000 m 

1 Answer

Answer :

200 m

Related questions

Description : In sea, plants are restricted up to the depth of – (1) 20 m (2) 200 m (3) 1000 m (4) 2000 m

Last Answer : (2) 200 m Explanation: In sea, vegetations are found upto the depth of 200 m.

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 : Species which has restricted distribution is called (1) Eco species (2) Endemic (3) Sympatric (4) Allopatric

Last Answer : Endemic

Description : Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be (A) 1000 kg (B) 4000 kg (C) 2000 kg (D) 8000 kg

Last Answer : Answer: Option A

Description : A rectangular tank 10 m x 5 m in plan and 3 m deep is divided by a partition wall parallel to the shorter wall of the tank. One of the compartments contains water to a depth of 3 m, and the other a lighter ... pressure thrust on the partition wall is (a) 1000 kg (b) 1500 kg (c) 2000 kg (d) 2500 kg

Last Answer : Correct Answer is 15000 kg

Description : Commercial available medium size machines have a speed range of ______ . (a) 200 to 400 r.p.m. (b) 600 to 1000 r.p.m. (c) 1000 to 1500 r.p.m. (d) 2000 to 2500 r.p.m.

Last Answer : (d) 2000 to 2500 r.p.m.

Description : Energy produced in the nuclear fission is of the order of __________ MeV. (A) 20 (B) 200 (C) 1000 (D) 2000

Last Answer : (B) 200

Description : Elevation of temperate region from sea level ranges: a. 1000-2000 m b. 2500-3000 m c. 3500-4000 m d. b & c

Last Answer : b & c

Description : Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate (1) The distance between the sun and the earth (2) The depth of the ocean (3) The radius of the earth (4) The radius of the sun

Last Answer :  The radius of the earth

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 : The 10 mm markings on a levelling staff placed at 20 m are separated by (A) 1/1000 radian (B) 1/1500 radian (C) 1/2000 radian (D) 1/2500 radian

Last Answer : (C) 1/2000 radian

Description :  Global warming is expected to result in (1) Increase in level of sea (2) Change in crop pattern (3) Change in coastline (4) All of the above 

Last Answer :  All of the above

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 : A stretch of sea water, partly or fully separated by a narrow strip from the main sea is called (1) Bay (2) Isthmus (3) Lagoon (4) Strait

Last Answer : Lagoon

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 : A wide inlet of the sea usually concave in shape, is termed as a: (1) Strait (2) Sound (3) Bay (4) Fjord

Last Answer : Bay

Description : Terrigenous deposits are found in (1) Deep Sea Plain (2) Ocean Trenches (3) Rift Valley (4) Continental Shelf and Slope

Last Answer : Continental Shelf and Slope

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Last Answer : Pacific Ocean

Description : A semi enclosed coastal body of water which has a free connection with the open sea is called (1) Estuary (2) Fjord (3) Cove (4) Ria coast

Last Answer : Estuary

Description : The Sargasso sea is situated in the : (1) Atlantic Ocean (2) Pacific Ocean (3) Indian Ocean (4) Arctic Ocean

Last Answer : Atlantic Ocean 

Description : El Nino occurs over (1) Atlantic Ocean (2) Indian Ocean (3) Pacific Ocean (4) Mediterranean Sea

Last Answer : Pacific Ocean

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 : rivers wash away salts from earth and pour them into the sea

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 : The main cause of Tsunami is : (1) Volcanoes (2) Cyclones (3) Earthquake on sea floor (4) Moon’s attraction

Last Answer : Earthquake on sea floor

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Last Answer : Water of the sea located close to the coast of a country

Description : Atoll is a kind of (1) sand-dune (2) lake (3) sandbar (4) inland sea

Last Answer :  inland sea

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Last Answer : Day time

Description : Seismic sea waves which approach the coasts at greater force are known as (1) Tides (2) Tsunami (3) Current (4) Cyclone

Last Answer : Tsunami

Description : Tsunamis are cuased by (1) mixing of cold and warm currents (2) earthquakes (3) changes in sea level (4) volcanic eruption

Last Answer : earthquakes

Description : El Nino is (1) a warm ocean current (2) sea storm (3) tropical disturbance (4) another name of typhoon

Last Answer : a warm ocean current

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 : Which from the following, is a landlocked sea ? (1) Timor Sea (2) Arafura Sea (3) Greeland Sea (4) Aral Sea

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Description : The sea bed sloping gradually and bordering the continent is known as : (1) Coast (2) Continental Shelf. (3) Continental Platform. (4) Continental Slope.

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Description : Which of the following wind is blowing from the Mediterranean sea to the North Western parts of India ? (1) Western disturbances (2) Norwesters (3) Loo (4) Mango showers

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Description : The climatic zones are classified on the basis of (1) distance from the equator (2) elevation (3) rainfall (4) distance from the sea

Last Answer : rainfall

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 : Which one of the following is not the example of planetary winds ? (1) Monsoon (2) Trade wind (3) Land and sea breezes (4) Chinook

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Description : Land and sea-breezes occur due to : (1) Conduction (2) Convection (3) Radiation (4) Tides

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Description : Tropical storm in Chinese Sea is known as– (1) Wave (2) Tornado (3) Typhoon (4) Cyclone

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Description : What is meant by Isthmus? (1) Mouth of a river where it joins the sea (2) Narrow strip of water dividing two land masses (3) Narrow strip of land dividing two oceans (4) Narrow strip of land connecting two large areas of land

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Description : The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. (A) 10 (B) 200 (C) 1000 (D) 2000

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Description : .308- Life expectancy of V-belt in farm machinery is about.... (a) 200-500 hrs (b) 1000-2000 hrs (c) 2000-5000hrs (d) 5000-10000hrs

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Description : A cage weighing 200 kg is lowered down a mine shaft with uniform acceleration. In the first 5 sec the cage reaches a depth of 20 m. The tension in the cord lowering the cage would be a.836 kg b.167.2 kg c.100 kg d.41.8 kg e.200 kg

Last Answer : b. 167.2 kg