Pick up the correct statement from the following: (A) Phytoplankton contains photosynthetically active pigment (B) An increase of phytoplankton increases the back scattering in the green region (C) An increase of phytoplankton absorbs the bule region rapidly (D) An increase of phytoplankton decreases the back scattering in the green region

Pick up the correct statement from the following:
(A) Phytoplankton contains photosynthetically active pigment
(B) An increase of phytoplankton increases the back scattering in the green region
(C) An increase of phytoplankton absorbs the bule region rapidly
(D) An increase of phytoplankton decreases the back scattering in the green region
by

1 Answer

Answer :

Answer: Option D
by

Related questions

Which substance in chloroplast is a green pigment that absorbs energy for photosystem?

Description : Which substance in chloroplast is a green pigment that absorbs energy for photosystem?

Last Answer : Chlorophyll

Photosynthetically active radiation (PAR) represents the following range of wavelength

Description : Photosynthetically active radiation (PAR) represents the following range of wavelength

Last Answer : Photosynthetically active radiation (PAR) represents the following range of wavelength A. 400-700 nm B. 450-920 nm C. 340-450 nm D. 500-600 nm

Photosynthetically active radiation (PAR) represents the following range of wavelength

Description : Photosynthetically active radiation (PAR) represents the following range of wavelength

Last Answer : Photosynthetically active radiation (PAR) represents the following range of wavelength A. 400-700 nm B. 500-600 nm C. 450-950 nm D. 340-450 nm

The photosynthetically active (PAR) falls in the range of (A) 400 – 700 nm (B) 100- 400 nm (C) 700- 1000 nm (D) None of the above

Description : The photosynthetically active (PAR) falls in the range of (A) 400 – 700 nm (B) 100- 400 nm (C) 700- 1000 nm (D) None of the above

Last Answer : (A) 400 – 700 nm

The rapidly growing mass of phytoplankton coveting the surface water of a lake or pond is known as – (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Description : The rapidly growing mass of phytoplankton coveting the surface water of a lake or pond is known as – (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Last Answer : (1) Eutrophication Explanation: Eutrophication is the ecosystem response to the addition of artificial or natural substances, such as nitrates and phosphates, through fertilizers or sewage, to an aquatic ... increase of phytoplankton in a water body as a response to increased levels of nutrients.

The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as?

Description : The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as?

Last Answer : Eutriphication.

The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as : (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Description : The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as : (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth

Last Answer : Eutrophication

Pick out the correct statement pertaining to catalytic cracking. (A) With increase in the reactor pressure, octane number of gasoline decreases (B) With increase in the reactor temperature, gasoline yield decreases for a given conversion (C) Percentage conversion increases with increase in the catalyst to oil ratio (D) All (A), (B) and (C)

Description : Pick out the correct statement pertaining to catalytic cracking. (A) With increase in the reactor pressure, octane number of gasoline decreases (B) With increase in the reactor temperature, gasoline yield decreases for a given ... with increase in the catalyst to oil ratio (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Pick out the correct statement. (A) Diffusivity decreases with increase in temperature (B) Diffusivity increases with increase in molecular weight (C) Diffusivity increases with the size of the individual molecule (D) None of these

Description : Pick out the correct statement. (A) Diffusivity decreases with increase in temperature (B) Diffusivity increases with increase in molecular weight (C) Diffusivity increases with the size of the individual molecule (D) None of these

Last Answer : (D) None of these

Pick out the correct statement. (A) The slope of the stripping line is always less than unity (B) For a given separation in a binary distillation column, with increase in reflux ratio (above the minimum reflux ratio), the fixed cost of the distillation column first increases and then decreases (C) In Ponchon-Savarit method of no. of theoretical plate determination, the stripping and rectifying operating lines are vertical at total reflux (D) Kremser-Brown-Souder's equation is used to calculate the efficiency of a plate tower

Description : Pick out the correct statement. (A) The slope of the stripping line is always less than unity (B) For a given separation in a binary distillation column, with increase in reflux ratio ( ... (D) Kremser-Brown-Souder's equation is used to calculate the efficiency of a plate tower

Last Answer : C) In Ponchon-Savarit method of no. of theoretical plate determination, the stripping and rectifying operating lines are vertical at total reflux

Pick out the correct statement. (A) Oxygen content decreases from lignite to bituminous coal as the coalification increases (B) The less the oxygen content, better is the coal, as it reduces the calorific value (C) With increase in oxygen content, moisture holding capacity of coal increases and the caking power decreases (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) Oxygen content decreases from lignite to bituminous coal as the coalification increases (B) The less the oxygen content, better is the coal, as it reduces the calorific value (C ... capacity of coal increases and the caking power decreases (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

As the elastic limit reaches, tensile strain (A) Increases more rapidly (B) Decreases more rapidly (C) Increases in proportion to the stress (D) Decreases in proportion to the stress

Description : As the elastic limit reaches, tensile strain (A) Increases more rapidly (B) Decreases more rapidly (C) Increases in proportion to the stress (D) Decreases in proportion to the stress

Last Answer : (A) Increases more rapidly

The consolidation time for soils (A) Increases with increasing compressibility (B) Decreases with increasing permeability (C) Increases rapidly with increasing size of soil mass (D) All the above

Description : The consolidation time for soils (A) Increases with increasing compressibility (B) Decreases with increasing permeability (C) Increases rapidly with increasing size of soil mass (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) At a particular speed of operation, the head produced decreases with the increase of discharge (B) At zero discharge, discharge valve remaining closed, the head developed is maximum which is known as shut-off head (C) At a particular speed the discharge at which efficiency of a pump is maximum, is known as normal discharge (D) All the above

Description : Pick up the correct statement from the following: (A) At a particular speed of operation, the head produced decreases with the increase of discharge (B) At zero discharge, discharge valve remaining closed ... which efficiency of a pump is maximum, is known as normal discharge (D) All the above

Last Answer : (D) All the above

Pick up the correct statement from the following: (A) A maximum value of dry density is obtained at optimum water content (B) At low value of water content most soils tend to be stiff (C) At high water content, the dry density decreases with an increase of water content (D) All the above

Description : Pick up the correct statement from the following: (A) A maximum value of dry density is obtained at optimum water content (B) At low value of water content most soils tend to be stiff (C) At high water content, the dry density decreases with an increase of water content (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) An increase in water content must be accompanied by an increase in cement content (B) Angular and rough aggregates reduce the workability of the concrete (C) The slump of the concrete mix decreases due to an increase in temperature (D) All the above

Description : Pick up the correct statement from the following: (A) An increase in water content must be accompanied by an increase in cement content (B) Angular and rough aggregates reduce the workability of the ... The slump of the concrete mix decreases due to an increase in temperature (D) All the above

Last Answer : Answer: Option D

Ordinary water is not used as a moderator because, it (A) Has a low absorption cross-section (B) Has a low scattering cross-section (C) Absorbs neutrons (D) Does not absorb neutrons

Description : Ordinary water is not used as a moderator because, it (A) Has a low absorption cross-section (B) Has a low scattering cross-section (C) Absorbs neutrons (D) Does not absorb neutrons

Last Answer : (C) Absorbs neutrons

Pick up the correct food chain. (a) Grass → Chameleon → Insect → Bird (b) Grass → Fox → Rabbit → Bird (c) Phytoplankton → Zooplankton → Fish (d) Fallen leaves → Bacteria → Insect larvae

Description : Pick up the correct food chain. (a) Grass → Chameleon → Insect → Bird (b) Grass → Fox → Rabbit → Bird (c) Phytoplankton → Zooplankton → Fish (d) Fallen leaves → Bacteria → Insect larvae

Last Answer : (c) Phytoplankton → Zooplankton → Fish

Pick up the incorrect statement from the following: (A) With passage of time, the strength of cement increases (B) With passage of time, the strength of cement decreases (C) After a period of 24 months, the strength of cement reduces to 50% (D) The concrete made with storage deteriorated cement, gains strength with time

Description : Pick up the incorrect statement from the following: (A) With passage of time, the strength of cement increases (B) With passage of time, the strength of cement decreases (C) After a ... of cement reduces to 50% (D) The concrete made with storage deteriorated cement, gains strength with time

Last Answer : Answer: Option A

What pigment absorbs when photosynthesis begins?

Description : What pigment absorbs when photosynthesis begins?

Last Answer : Feel Free to Answer

What is the name of the pigment that absorbs sunlight in plant cells?

Description : What is the name of the pigment that absorbs sunlight in plant cells?

Last Answer : chlorophyll a

What pigment reflects orange yellow and red and absorbs the other colors to provide energy for photosynthesis?

Description : What pigment reflects orange yellow and red and absorbs the other colors to provide energy for photosynthesis?

Last Answer : Carotenoids.

A pigment which absorbs red and far-red light is (a) cytochrome (b) xanthophyll (c) phytochrome (d) carotene.

Description : A pigment which absorbs red and far-red light is (a) cytochrome (b) xanthophyll (c) phytochrome (d) carotene.

Last Answer : (c) phytochrome

Which pigment absorbs the red and far-red light? (a) Cytochrome (b) Phytochrome (c) Carotenoids (d) Chlorophyll

Description : Which pigment absorbs the red and far-red light? (a) Cytochrome (b) Phytochrome (c) Carotenoids (d) Chlorophyll

Last Answer : (b) Phytochrome

Pick out the wrong statement. (A) The emissivity of a surface decreases, if it gets corroded by atmospheric environment (B) The emissivity of a surface increases with increase in surface roughness (C) The emissivity of a polished surface is quite low (D) The emissivity of a non-metallic surface decreases with increase in the temperature

Description : Pick out the wrong statement. (A) The emissivity of a surface decreases, if it gets corroded by atmospheric environment (B) The emissivity of a surface increases with increase in surface roughness ... quite low (D) The emissivity of a non-metallic surface decreases with increase in the temperature

Last Answer : (A) The emissivity of a surface decreases, if it gets corroded by atmospheric environment

Pick up the correct statement from the following: (A) Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38% (B) The bulking of fine sand is more than that of coarse sand (C) If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing (D) All the above

Description : Pick up the correct statement from the following: (A) Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38% (B) The bulking of fine sand is ... the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing (D) All the above

Last Answer : Answer: Option D

The water in an open pond remains cool even in hot summer because (a) Of continuous evaporation of water (b) Water radiates heat more rapidly than the atmosphere (c) Water absorbs heat less rapidly than the atmosphere (d) Water absorbs heat more rapidly than the atmosphere

Description : The water in an open pond remains cool even in hot summer because (a) Of continuous evaporation of water (b) Water radiates heat more rapidly than the atmosphere (c) Water absorbs heat less rapidly than the atmosphere (d) Water absorbs heat more rapidly than the atmosphere

Last Answer : Ans:(c)

Pick up the incorrect statement from the following: (A) Tricalcium silicate (C3S) hydrates rapidly (B) Tricalcium silicate (C3S) generates more heat of hydration (C) Tricalcium silicate (C3S) develops early strength (D) Tricalcium silicate (C3S) has more resistance to sulphate attac

Description : Pick up the incorrect statement from the following: (A) Tricalcium silicate (C3S) hydrates rapidly (B) Tricalcium silicate (C3S) generates more heat of hydration (C) Tricalcium silicate (C3S) develops early strength (D) Tricalcium silicate (C3S) has more resistance to sulphate attack

Last Answer : Answer: Option D

Pick up the incorrect statement from the following: (A) Compaction has no effect on the structure of a soil (B) Permeability decreases with increase in the dry density of a compacted soil (C) A wet side compacted soil is more compressible than a dry side compacted soil (D) Dry side compaction soils swell more when given access to moisture

Description : Pick up the incorrect statement from the following: (A) Compaction has no effect on the structure of a soil (B) Permeability decreases with increase in the dry density of a compacted soil (C) ... a dry side compacted soil (D) Dry side compaction soils swell more when given access to moisture

Last Answer : (A) Compaction has no effect on the structure of a soil

As the reflux ratio in a distillation column is increased from the minimum, the (A) Slope of the operating line in stripping section decreases (B) Number of plates decreases very slowly first and then more and more rapidly (C) Total cost first decreases and then increases (D) Liquid flow increases while the vapor flow decreases for a system

Description : As the reflux ratio in a distillation column is increased from the minimum, the (A) Slope of the operating line in stripping section decreases (B) Number of plates decreases very slowly first ... decreases and then increases (D) Liquid flow increases while the vapor flow decreases for a system

Last Answer : (C) Total cost first decreases and then increases

Under conditions of flooding in packed tower, the gas pressure drop (A) Decreases rapidly (B) Increases rapidly (C) Remain constant (D) Is maximum

Description : Under conditions of flooding in packed tower, the gas pressure drop (A) Decreases rapidly (B) Increases rapidly (C) Remain constant (D) Is maximum

Last Answer : (D) Is maximum

Boiling point elevation of an ideal solution (A) Increases rapidly with temperature rise (B) Decreases rapidly with temperature rise (C) In independent of pressure (D) Both (B) and (C)

Description : Boiling point elevation of an ideal solution (A) Increases rapidly with temperature rise (B) Decreases rapidly with temperature rise (C) In independent of pressure (D) Both (B) and (C)

Last Answer : (A) Increases rapidly with temperature rise

Pick out the correct statement. (A) The available energy in an isolated system for all irreversible (real) processes decreases (B) The efficiency of a Carnot engine increases, if the sink temperature is decreased (C) The reversible work for compression in non-flow process under isothermal condition is the change in Helmholtz free energy (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) The available energy in an isolated system for all irreversible (real) processes decreases (B) The efficiency of a Carnot engine increases, if the sink temperature is decreased ... condition is the change in Helmholtz free energy (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

A pale bule liquid is obtained by equuimolar mixture of two gases at - `30^(circ)C`.

Description : A pale bule liquid is obtained by equuimolar mixture of two gases at - `30^(circ)C`.

Last Answer : A pale bule liquid is obtained by equuimolar mixture of two gases at - `30^(circ)C`. A. `N_(2)O` B. `N_(2)O_(3)` C. `N_(2)O_(4)` D. `N_(2)O_(5)`

A pale bule liquid is obtained by equuimolar mixture of two gases at - `30^(circ)C`.

Description : A pale bule liquid is obtained by equuimolar mixture of two gases at - `30^(circ)C`.

Last Answer : A pale bule liquid is obtained by equuimolar mixture of two gases at - `30^(circ)C`. A. `N_(2)O` B. `N_(2)O_(3)` C. `N_(2)O_(4)` D. `N_(2)O_(5)`

Shortly after take-off, the altitude of the aeroplane suffers an abrupt pitch-up and IAS rapidly decreases followed quickly by a decrease in altitude. Engine indications are normal. You should suspect what and what should you do? a. Marked temperature drop; apply full power b. Loss of head wind or an increase in tail wind; apply full power c. Incipient engine failure (ignore instruments); lower the nose to gain airspeed d. Local clear air turbulence; reduce speed to VRA and ride it out

Description : Shortly after take-off, the altitude of the aeroplane suffers an abrupt pitch-up and IAS rapidly decreases followed quickly by a decrease in altitude. Engine indications are normal. You should suspect what ... to gain airspeed d. Local clear air turbulence; reduce speed to VRA and ride it out

Last Answer : b. Loss of head wind or an increase in tail wind; apply full power

Which one of the following statement is not correct for the volumetric efficiency of a reciprocating air compressor? A. It decreases with increase in ambient temperature B. It increases with decrease in pressure ratio C. It increases with decrease in clearance ratio D. It decreases with increases in delivery pressure

Description : Which one of the following statement is not correct for the volumetric efficiency of a reciprocating air compressor? A. It decreases with increase in ambient temperature B. It increases with ... It increases with decrease in clearance ratio D. It decreases with increases in delivery pressure

Last Answer : ANSWER : A

Pick up the correct statement from the following: (A) When stress decreases, void, ratio decreases (B) When stress decreases, coefficient of permeability decreases (C) When stress decreases, coefficient of volume change decreases (D) When stress decreases void ratio, coefficients of permeability and volume change decrease

Description : Pick up the correct statement from the following: (A) When stress decreases, void, ratio decreases (B) When stress decreases, coefficient of permeability decreases (C) When stress ... change decreases (D) When stress decreases void ratio, coefficients of permeability and volume change decrease

Last Answer : Answer: Option D

In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will (A) Decrease gradually (B) Increase gradually (C) Increase rapidly (D) Remain constant

Description : In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will (A) Decrease gradually (B) Increase gradually (C) Increase rapidly (D) Remain constant

Last Answer : (B) Increase gradually

With increase in steam pressure, its specific volume decreases (A) Rapidly first and then slowly (B) Linearly (C) Slowly first and then rapidly (D) Exponentially

Description : With increase in steam pressure, its specific volume decreases (A) Rapidly first and then slowly (B) Linearly (C) Slowly first and then rapidly (D) Exponentially

Last Answer : Option A

Select the correct statement. (A) Unit weight of dry soil is greater than unit weight of wet soil (B) For dry soils, dry unit weight is less than total unit weight (C) Unit weight of soil increases due to submergence in water (D) Unit weight of soil decreases due to submergence in water

Description : Select the correct statement. (A) Unit weight of dry soil is greater than unit weight of wet soil (B) For dry soils, dry unit weight is less than total unit weight (C) Unit weight of soil increases due to submergence in water (D) Unit weight of soil decreases due to submergence in water

Last Answer : Answer: Option D

Pick out the correct statement. (A) In case of liquid-liquid extraction, no separation is possible, if the selectivity of the solvent used is unity (B) With increase in temperature, the selectivity of the solvent used in solvent extraction decreases (C) The selectivity of solvent used in solvent extraction is unity at the plait point (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) In case of liquid-liquid extraction, no separation is possible, if the selectivity of the solvent used is unity (B) With increase in temperature, the selectivity of the solvent used ... in solvent extraction is unity at the plait point (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Pick out the correct statement. (A) Reaction of NH3 with HNO3 to produce (NH4 )2NO3 is endothermic (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate (C) Biuret (an intermediate during urea manufacture) is toxic to seeds and animals (D) Both (B) and (C)

Description : Pick out the correct statement. (A) Reaction of NH3 with HNO3 to produce (NH4 )2NO3 is endothermic (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total ... (an intermediate during urea manufacture) is toxic to seeds and animals (D) Both (B) and (C)

Last Answer : (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate

The _______are members of the_____________ a. Green Algae; Protozoa b. Radiolarians; Apicomplexans c. Dinoflagellates; Phytoplankton d. Radiolarians; Fungus-Like Protists

Description : The _______are members of the_____________ a. Green Algae; Protozoa b. Radiolarians; Apicomplexans c. Dinoflagellates; Phytoplankton d. Radiolarians; Fungus-Like Protists

Last Answer : c. Dinoflagellates; Phytoplankton

The C4 plants are photosynthetically more efficient than C3 plants because (a) the CO2 efflux is not prevented (b) they have more chloroplasts (c) the CO2 compensation point is more (d) CO2 generated during photorespiration is trapped and recycled through PEP carboxylase.

Description : The C4 plants are photosynthetically more efficient than C3 plants because (a) the CO2 efflux is not prevented (b) they have more chloroplasts (c) the CO2 compensation point is more (d) CO2 generated during photorespiration is trapped and recycled through PEP carboxylase.

Last Answer : (b) they have more chloroplasts

Pick up the correct statement from the following: (A) Sandy clayloam contains highest percentage of sand (B) Silty clayloam contains highest percentage of silt (C) Stiff boulder clay offers maximum shear strength (D) Soft chalk carries least safe load

Description : Pick up the correct statement from the following: (A) Sandy clayloam contains highest percentage of sand (B) Silty clayloam contains highest percentage of silt (C) Stiff boulder clay offers maximum shear strength (D) Soft chalk carries least safe load

Last Answer : Answer: Option B

Pick up the correct statement from the following: (A) Slaked lime contains calcium hydroxide (B) Quick lime contains calcium oxide (C) Slaked lime may be obtained from quick lime (D) All the above

Description : Pick up the correct statement from the following: (A) Slaked lime contains calcium hydroxide (B) Quick lime contains calcium oxide (C) Slaked lime may be obtained from quick lime (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Roasting is not necessary if iron ore is an oxide (B) Impurities float on the molten iron as slag (C) The slag contains lime about 45% (D) All the above

Description : Pick up the correct statement from the following: (A) Roasting is not necessary if iron ore is an oxide (B) Impurities float on the molten iron as slag (C) The slag contains lime about 45% (D) All the above

Last Answer : Answer: Option D

Pick out the wrong statement. (A) Angle of repose of coal increases with its increasing size (B) Specific gravity of coal increases with its increasing maturity (C) Refractive index and reflectance of coal increases with the increasing rank of coal (D) Specific heat of coal decreases with increases in the volatile matter and decrease in the C/H ratio of coal

Description : Pick out the wrong statement. (A) Angle of repose of coal increases with its increasing size (B) Specific gravity of coal increases with its increasing maturity (C) Refractive index and reflectance of ... of coal decreases with increases in the volatile matter and decrease in the C/H ratio of coal

Last Answer : (D) Specific heat of coal decreases with increases in the volatile matter and decrease in the C/H ratio of coal