Description : Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. Reason : It is due to biomagnifications
Last Answer : Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. ... but reason is wrong D. Both are wrong
Description : What type of drainage pattern would you expect to find where the main streams are parallel and very long and the edge of the folded sedimentary rock (weak and resistant) forms long parallel belts? (A) Dendritic (B) Rectangular (C) Radial (D) Trellised
Last Answer : (D) Trellised
Description : Caves are frequently associated with a certain kin of topography that includes sinkholes, disappearing streams and many limestone outcrops. With which of the following topographies are such features related? w) arid topography x) valley and ridge topography y) Karst topography z) none of these
Last Answer : ANSWER: Y -- KARST TOPOGRAPHY
Description : Large streams that enter a standing body of water produce which of the following geological features at their mouths? w) deltas x) load casts y) anticlines z) sync (pron: sink)
Last Answer : ANSWER: W -- DELTAS
Description : According to the protoplanet hypothesis, the solar system begins as which of the following? w) a star x) a vacuum y) a huge cloud of dust and gas z) a group of comets.
Last Answer : ANSWER: Y -- A HUGE CLOUD OF DUST AND GAS
Description : Crinoids are the same as one of the following. Which one is it? Is it w) algae x) sea scorpions y) sea lilies z) lobe-finned fishes
Last Answer : ANSWER: Y -- SEA LILIES
Description : Thermal algae can live in: (a) Saline soil (b) Hot water streams of 70°C (C) Deserts (d) Snow balls
Last Answer : Ans. ((b))
Description : The primary producers of the deep-sea hydrothermal vent ecosystem are (a) green algae (b) chemosynthetic bacteria (c) blue-green algae (d) coral reefs.
Last Answer : (b) chemosynthetic bacteria
Description : What is the difference between streams and rivers and ponds and lakes?
Last Answer : Streams and rivers flow down a long path and ponds and lakesstay in one place and not flowing like streams and rivers.
Description : If people live far away from streams lakes and river where can they get there water?
Last Answer : well i belive it will have to be rain
Description : Most important source of water for public water supply, is from (A) Lakes (B) Ponds (C) Streams (D) Rivers
Last Answer : (D) Rivers
Description : Pick up the incorrect statement from the following. The source of surface water is from (A) Streams and rivers (B) Storage reservoirs (C) Springs (D) Ponds and lakes
Last Answer : (C) Springs
Description : Which of the following statements are correct? I. Rann of Kachchh is formed by the recession of the sea. II. Kuchaman, Sambhar and Didwana are salt water lakes. III. The land to the east of Aravallis is known as Bagar. IV. The ... II and IV (2) I, III and IV (3) II, III and IV (4) I, II, III and IV
Last Answer : (1) I, II and IV
Description : Which of the following mountain ranges were formed as a result of volcanic action? w) Appalachians x) Teton Range y) Front Range z) Cascade Range
Last Answer : ANSWER: Z -- CASCADE RANGE
Description : What type of rocks are formed as a result of volcanic activity? w) metamorphic x) sedimentary y) igneous z) Hudson
Last Answer : ANSWER: Y -- IGNEOUS
Description : Which of the following does NOT form as a result o a low level temperature inversion? w) smog x) sleet y) tornado z) fog
Last Answer : ANSWER: Y -- TORNADO
Description : In an ocean, the upper layer of water with sufficient light penetration to support photosynthesis by aquatic plants i known as the: w) free zone x) plant zone y) photic zone z) primary zone
Last Answer : ANSWER: Y -- PHOTIC ZONE
Description : Sphalerite is a primary ore of which of the following metals? w) zinc x) tin y) copper z) iron
Last Answer : ANSWER: W -- ZINC
Description : Galena is a primary ore of which of the following metals? w) zinc x) tungsten y) lead z) silver
Last Answer : ANSWER: Y -- LEAD
Description : Hematite is a primary ore of which of the followin metals? w) zinc x) tungsten y) iron z) none of the above
Last Answer : ANSWER: Y -- IRON
Description : From which of the following factor has not influence the drainage density: (A) Climate (B) Topography (C) Soil infiltration capacity (D) Anthropogenic activity (E) Vegetation (F) Geology
Last Answer : (D) Anthropogenic activity
Description : The primary reason that many companies work to become the "low-cost producers" in theri industry is because : 1. the can generate more advertising 2. they can please top management 3. they can gain ... 4. they can set lower prices that result in greater sales and profits 5. none of these
Last Answer : they can set lower prices that result in greater sales and profits
Description : What form of runoff is water that flows down a slope within the upper layers of the soil rather than on top of them? w) interflow x) extraflow y) endoflow z) detrital runoff
Last Answer : ANSWER: W -- INTERFLOW
Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers
Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER
Description : The B-horizon of a pedalfer soil is noted for its accumulation of: w) carbonate x) nitrogen y) humus z) oxides
Last Answer : ANSWER: Z -- OXIDES
Description : Field capacity represents the maximum quantity of water held: w) in the soil against the force of gravity x) in the ground water zone y) in the intermediate zone z) below the water table
Last Answer : ANSWER: W -- IN THE SOIL AGAINST THE FORCE OF GRAVITY
Description : Which of the procedures listed could result in damaging a transistor beyond repair? A. Applying incorrect polarity to the collector circuit. B. Applying excessive voltage to the input circuit. C. Careless soldering which would overheat the transistor. D. All of the above.
Last Answer : Answer: D
Description : Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other ... of A C. A is true but R is false D. A is false but R is true
Last Answer : ANS: A
Description : Nutrients are recycled in the atmosphere with the help of certain microorganisms referred to as - (1) producers (2) consumers (3) decomposers (4) None of these
Last Answer : (3) decomposers Explanation: Decomposers recycle nutrients in the atmosphere.
Description : Nutrients are recycled in the atmosphere with the help of certain micro-organisms referred to as (1) producers (2) consumers (3) decomposers (4) None of these
Last Answer : decomposers
Description : (2) Nitrogen, Phosphorous and Sodium Explanation: Fertilizer (or fertiliser) is any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to a ... essential to the growth of plants. The three elements most needed in common fertilisers are Nitrogen.
Last Answer : Metal are good conductors, because – (1) they contain free electrons (2) the molecules in them are very close to each other (3) the molecules in them collide very freely (4) they contain reflecting surface
Description : The volume rate of flow of water at a point in a given time is: (A) Competence (B) Viscosity (C) Discharge (D) Capacity
Last Answer : (C) Discharge
Description : Which physical properties of a given mineral displays the greatest variation A) color B) hardness C) luster D) streak
Last Answer : color
Description : What name is given to the science which studies the atmosphere? w) oceanography x) atmospherology y) meteorology z) weatherology
Last Answer : ANSWER: Y -- METEOROLOGY
Description : What is the name given to the term that defines the proportion of the incident solar radiation which is diffusely reflected from the atmosphere and surface of the planet back into outer space?
Last Answer : ANSWER: ALBEDO
Description : Which of the following names is given to the supercontinent thought to have existed in the Cambrian period? Is it: w) Pangaea x) Afrasia y) Gondwanaland z) Europia
Last Answer : ANSWER: W -- PANGAEA
Description : What is the name given to a flat-topped plateau bordered on all sides by cliffs?
Last Answer : ANSWER: MESA or BUTTE
Description : What is the name given to a region where one plate of the earth's crust is sliding under another?
Last Answer : ANSWER: SUBDUCTION ZONE
Description : Which of the following gases is given off in the acid test of a carbonate mineral? w) chlorine x) nitrogen y) carbon dioxide z) sulfur dioxide
Last Answer : ANSWER: Y -- CARBON DIOXIDE
Description : The reason for excessive clinker formation in gas producers is the (A) Use of coal/coke containing a high % of fines and ash (B) Use of fuel having too low an ash fusion temperature (C) Development of hot spots in the fuel bed and an abnormally high rate of gasification (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Which of the following problems is indicated if a lead-acid battery begins to gas violently when it is first placed on charge? A. Insufficient compartment ventilation is being provided. B. A short ... undergoing its normal charging rate. D. An excessive charging rate is being applied to the battery.
Description : Iceland has a great deal of volcanic activity. The reason for this is: w) it was formed above a mid-ocean rift. x) it is part of the "Ring of Fire". y) two tectonic plates are rubbing against each other under Iceland. z) the American plate is diving under the European plate in this region.
Last Answer : ANSWER: W -- IT WAS FORMED ABOVE A MID-OCEAN RIFT.
Description : What is a selenologist (pron: sel-e-nol-o-jist)?
Last Answer : ANSWER: LUNAR GEOLOGIST
Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) oxygen and hydrogen x) ozone and methane y) nitrous oxide and sulfur dioxide z) methane and carbon dioxide e) ozone and carbon monoxide
Last Answer : ANSWER: Z -- METHANE AND CARBON DIOXIDE
Description : What are most streams result from?
Last Answer : Need answer
Description : 134 Given below are the statements about the harmful effects of weeds on crop plants. i. They interfere in harvesting ii. They help crops to grow healthy. iii. They compete with crop plants for water, nutrients , space and light ... statements a) i, iii, iv b)iii only c) iii , iv d) i, ii , iii, iv
Last Answer : a) i, iii, iv
Description : Where does moraine form- —
Last Answer : Glacial region
Description : …………….. refers to the collection of information pertinent to systems Project. A) Data transfer B) Data gathering C) Data Embedding D) Data Request
Last Answer : B) Data gathering
Description : Consequences of the Earth's Rotation
Last Answer : The earth rotates rotates on its axis taking approximately approximately 24 hours to complete complete one rotation. rotation. This has important environmental consequences. 1. Rotation creates a diurnal ... of water in the oceans called gyres. The Coriolis force only operates on large features.