Percentage concentration of CO2 in air and soil is

Description : Acute danger to human life (i.e. death) exists, if the concentration of CO2 in atmospheric air exceeds __________ percent (by volume). (A) 1 (B) 3 (C) 7 (D) 20

Last Answer : (D) 20

The soil, air and seed borne disease of wheat

Description : The soil, air and seed borne disease of wheat

Last Answer : Ans. Kernal bunt (Neovossia indica)

In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of (A) Use of non-preheated combustion air (B) Use of pulverised solid fuels (C) Imperfect mixing of fuel & air and infiltration of air (D) Use of excessive positive draft in the furnace

Description : In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of (A) Use of non-preheated combustion air (B) Use of pulverised solid ... of fuel & air and infiltration of air (D) Use of excessive positive draft in the furnace

Last Answer : (C) Imperfect mixing of fuel & air and infiltration of air

As the C/H ratio of the fuel increases, the amount of CO2 formed on combustion __________ for the same percentage of excess air. (A) Decreases (B) Increases (C) Remain same (D) May increase or decrease depending on the type of fuel

Description : As the C/H ratio of the fuel increases, the amount of CO2 formed on combustion __________ for the same percentage of excess air. (A) Decreases (B) Increases (C) Remain same (D) May increase or decrease depending on the type of fuel

Last Answer : (B) Increases

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that (A) Pure oxygen has been used for combustion (B) Nitrogen percentage in the fuel is very high (C) Excess air has been used for combustion (D) Hydrogen is not present in the fuel

Description : Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that (A) Pure oxygen has been used for combustion ... very high (C) Excess air has been used for combustion (D) Hydrogen is not present in the fuel

Last Answer : (C) Excess air has been used for combustion

The salt concentration in pickle is maintained at

Description : The salt concentration in pickle is maintained at

Last Answer : Ans. 8-10%

The concentration of salt sufficient to preserve most of the food products

Description : The concentration of salt sufficient to preserve most of the food products

Last Answer : Ans. 15-25%

The concentration of sugar required for preservation of fruits and jam

Description : The concentration of sugar required for preservation of fruits and jam

Last Answer : Ans. 66%

Concentration of a nutrient in plant tissue where growth of the plant is slowed down

Description : Concentration of a nutrient in plant tissue where growth of the plant is slowed down

Last Answer : Ans. Critical concentration

Absorbed of water against a concentration gradient by using energy released from respiration is called as

Description : Absorbed of water against a concentration gradient by using energy released from respiration is called as

Last Answer : Ans. Active absorption

Strong solution having higher concentration

Description : Strong solution having higher concentration

Last Answer : Ans. Hypertonic solution

Maximum concentration of urea for foliar spray

Description : Maximum concentration of urea for foliar spray

Last Answer : Ans. 6%

The negative logarithm of H+ ion concentration

Description : The negative logarithm of H+ ion concentration

Last Answer : Ans. Soil pH

Solution whose strength or concentration is accurately known is termed as

Description : Solution whose strength or concentration is accurately known is termed as

Last Answer : Ans. Standard solution

Soil air contains CO2 (%) (A)0.03 (B) 2.50 (C) 0.25 (D) 3.0

Description : Soil air contains CO2 (%) (A)0.03 (B) 2.50 (C) 0.25 (D) 3.0

Last Answer : (C) 0.25

Soil air contains CO2 (%) (A)0.03 (B) 2.50 (C) 0.25 (D) 3.0

Description : Soil air contains CO2 (%) (A)0.03 (B) 2.50 (C) 0.25 (D) 3.0

Last Answer : (C) 0.25

The CO2 content of soil air is (A) 3% (B) 0.3 % (C)0.03% (D) 0.003%

Description : The CO2 content of soil air is (A) 3% (B) 0.3 % (C)0.03% (D) 0.003%

Last Answer : B) 0.3 %

Oil percentage in Ratanjot (Jatropha sp.)

Description : Oil percentage in Ratanjot (Jatropha sp.)

Last Answer : Ans. 35%(from seed)

The most appropriate transformation for percentage

Description : The most appropriate transformation for percentage

Last Answer : Ans. Angular transformation

The percentage population of early majority over total population

Description : The percentage population of early majority over total population

Last Answer : Ans. 34%

The temperature at which highest percentage of seed germination occurs in short period of time

Description : The temperature at which highest percentage of seed germination occurs in short period of time

Last Answer : Ans. Optimum temperature

The impurity percentage of seed

Description : The impurity percentage of seed

Last Answer : Ans. Dockage

The relative percentage of N2 , P2O5 and K2O” in a fertilizer

Description : The relative percentage of N2 , P2O5 and K2O” in a fertilizer

Last Answer : Ans. Fertilizer ratio

Pick out the wrong statement. (A) High concentration of oxygen in flue gas means high stack loss (B) Gaseous fuels require the least % excess air for complete combustion (C) The ratio of fixed carbon to volatile matter percentage in coal is called its 'fuel ratio' (D) Calorific value of natural gas is more than that of LPG

Description : Pick out the wrong statement. (A) High concentration of oxygen in flue gas means high stack loss (B) Gaseous fuels require the least % excess air for complete combustion (C) The ratio of fixed carbon to ... coal is called its 'fuel ratio' (D) Calorific value of natural gas is more than that of LPG

Last Answer : (D) Calorific value of natural gas is more than that of LPG

Compared to the resting state, vigorously contracting muscle shows (A) An increased conversion of pyruvate to lactate (B) Decreased oxidation of pyruvate of CO2 and water (C) A decreased NADH/NAD+ ratio (D) Decreased concentration of AMP CARBOHYDRATES AND CARBOHYDRATE METABOLISM 21

Description : Compared to the resting state, vigorously contracting muscle shows (A) An increased conversion of pyruvate to lactate (B) Decreased oxidation of pyruvate of CO2 and water (C) A decreased NADH/NAD+ ratio (D) Decreased concentration of AMP CARBOHYDRATES AND CARBOHYDRATE METABOLISM 21

Last Answer : A

Photo chemical smog is a result-ant of the reaction among – (1) High concentration of NO2, O3, and CO in the evening (2) CO, CO2 and NO2 at low temperature (3) CO, O2 and peroxy acetyl nitrate in the presence of Sunlight (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight

Description : Photo chemical smog is a result-ant of the reaction among – (1) High concentration of NO2, O3, and CO in the evening (2) CO, CO2 and NO2 at low temperature (3) CO, O2 and peroxy acetyl nitrate in the presence of Sunlight (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight

Last Answer : (4) NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight Explanation: Photochemical smog is a unique type of air pollution which is caused by reactions between sunlight and pollutants like hydrocarbons and nitrogen dioxide (NO and NO2).

Acid rain is due to increase in atmospheric concentration of (a) ozone and dust (b) CO2 and CO (c) SO3 and CO (d) SO2 and NO2

Description : Acid rain is due to increase in atmospheric concentration of (a) ozone and dust (b) CO2 and CO (c) SO3 and CO (d) SO2 and NO2

Last Answer : (d) SO2 and NO2.

Acid rain is due to increase in atmospheric concentration of (a) ozone and dust (b) CO2 and CO (c) SO3 and CO (d) SO2 and NO2.

Description : Acid rain is due to increase in atmospheric concentration of (a) ozone and dust (b) CO2 and CO (c) SO3 and CO (d) SO2 and NO2.

Last Answer : (d) SO2 and NO2.

Acid rain is caused by increase in the atmospheric concentration of (a) CO2 and CO (b) O3 and dust (c) SO2 and NO2 (d) SO3 and CO.

Description : Acid rain is caused by increase in the atmospheric concentration of (a) CO2 and CO (b) O3 and dust (c) SO2 and NO2 (d) SO3 and CO.

Last Answer : (c) SO2 and NO2

Global warming is attributed to increase in concentration of green house gases like (A) CO2 (B) CFCs (C)CH4 (D) All of these

Description : Global warming is attributed to increase in concentration of green house gases like (A) CO2 (B) CFCs (C)CH4 (D) All of these

Last Answer : (D) All of these

When CO2 concentration in blood increases breathing becomes (a) shallower and slow (b) there is no effect on breathing (c) slow and deep (d) faster and deeper.

Description : When CO2 concentration in blood increases breathing becomes (a) shallower and slow (b) there is no effect on breathing (c) slow and deep (d) faster and deeper.

Last Answer : (d) faster and deeper.

When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe? (a) Falling CO2 concentration (b) Rising CO2 and falling O2 concentration (c) Falling O2 concentration (d) Rising CO2 concentration

Description : When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe? (a) Falling CO2 concentration (b) Rising CO2 and falling O2 concentration (c) Falling O2 concentration (d) Rising CO2 concentration

Last Answer : (d) Rising CO2 concentration

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate.(b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum. (c) Tomato is a greenhouse crop which can be grown in CO2-enriched atmosphere for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.

Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate. ( ... for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.

Last Answer : (b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum

Glycolate induces opening of stomata in (a) presence of oxygen (b) low CO2 concentration (c) high CO2 (d) CO2 absent.

Description : Glycolate induces opening of stomata in (a) presence of oxygen (b) low CO2 concentration (c) high CO2 (d) CO2 absent.

Last Answer : (b) low CO2 concentration

Stomatal movement is not affected by (a) temperature (b) light (c) O2 concentration (d) CO2 concentration.

Description : Stomatal movement is not affected by (a) temperature (b) light (c) O2 concentration (d) CO2 concentration.

Last Answer : c) O2 concentration

Higher concentration of CO2 in atmosphere (A) Allows visible solar radiation (ultraviolet) of short wave-length to pass through (B) Reflects and absorbs the longer wavelength (infra-red) radiations (C) Prevents solar heat being radiated out completely, resulting in 'heat trap' i.e., global warming (D) All (A), (B) and (C)

Description : Higher concentration of CO2 in atmosphere (A) Allows visible solar radiation (ultraviolet) of short wave-length to pass through (B) Reflects and absorbs the longer wavelength (infra-red) radiations (C) Prevents solar heat being ... in 'heat trap' i.e., global warming (D) All (A), (B) and (C)

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

On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because (A) Of clotting of blood(B) Of jamming of respiratory tract(C) It forms carboxyhemoglobin by combining with haemoglobin of blood,thereby making it incapable of absorbing oxygen(D) It forms CO2 by combining with oxygen present in the blood

Description : On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because (A) Of clotting of blood (B) Of jamming of respiratory tract (C) It forms carboxyhemoglobin by combining ... it incapable of absorbing oxygen (D) It forms CO2 by combining with oxygen present in the blood

Last Answer : (C) It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen

In case of calcination of limestone, CaCO3 CaO + CO2 , the addition of more of CaO will result in __________ in the concentration of CO2 . (A) No change (B) Increase (C) Decrease (D) Unpredictable from the data

Description : In case of calcination of limestone, CaCO3 CaO + CO2 , the addition of more of CaO will result in __________ in the concentration of CO2 . (A) No change (B) Increase (C) Decrease (D) Unpredictable from the data

Last Answer : (A) No change

If CO2 concentration in the blood increases, what will breathing

Description : If CO2 concentration in the blood increases, what will breathing

Last Answer : Increase

The climate sensitivity parameter is defined as the rate of change of A. Surface temperature with albedo of earth B. Surface temperature with CO2 concentration in atmosphere C. Precipitation with earth’s temperature D. Surface temperature with radioactive forcing.

Description : The climate sensitivity parameter is defined as the rate of change of A. Surface temperature with albedo of earth B. Surface temperature with CO2 concentration in atmosphere C. Precipitation with earth’s temperature D. Surface temperature with radioactive forcing.

Last Answer : D. Surface temperature with radioactive forcing.

Stomatal movement is not affected by (1) Temperature (2) Light (3) O2 concentration (4) CO2 concentration

Description : Stomatal movement is not affected by (1) Temperature (2) Light (3) O2 concentration (4) CO2 concentration

Last Answer : (3) O2 concentration

To within 5%, how much has atmospheric CO2 concentration INCREASED since the year 1800?

Description : To within 5%, how much has atmospheric CO2 concentration INCREASED since the year 1800?

Last Answer : ANSWER: 25%

1. Where did India play its 1st one day international match? 2. Which is the largest Public Sector Bank in India? 3. If CO2 concentration in the blood increases, what will breathing? 4. If the dew point is below freezing, it is referred to which point? 5. Where are the Relics of Buddha preserved?

Description : 1. Where did India play its 1st one day international match? 2. Which is the largest Public Sector Bank in India? 3. If CO2 concentration in the blood increases, what will breathing? 4. If ... Which type of coal represents the first stage of formation of coal? 20. Which Sikh Guru fought Mughals?

Last Answer : Answer : 1. Headingley 2. State Bank of India 3. Increase 4. Frost point 5. In Stupa 6. By the test of reasonableness 7. 6500 k 8. Badminton 9. Zonda 10. Kalidasa 11. 1948 12. Liver 13. 1959 14. Foehn 15. Karpurmanjari 16. Zinc 17. RBI 18. Gonds 19. Peat 20. Guru Gobind Singh

Yawning occurs– (1) due to excess concentration of CO2 in blood (2) due to excess concentration of CO2 in lungs (3) due to excess concentration of O2 in lungs (4) None of these

Description : Yawning occurs– (1) due to excess concentration of CO2 in blood (2) due to excess concentration of CO2 in lungs (3) due to excess concentration of O2 in lungs (4) None of these

Last Answer : due to excess concentration of CO2 in blood

Large portions of the earth with similar climate, soil, plant and animal life community is known as

Description : Large portions of the earth with similar climate, soil, plant and animal life community is known as

Last Answer : Ans. Biosphere

Percentage concentration of CO2 in air and soil is

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