What is the ratio of gaseous exchange in plants? -Biology

What is the ratio of gaseous exchange in plants? -Biology
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Name the structure/organs in plants that are used for gaseous exchange

Description : Name the structure/organs in plants that are used for gaseous exchange

Last Answer : Name the structure/organs in plants that are used for gaseous exchange

Name the structure/organs in plants that are used for gaseous exchange

Description : Name the structure/organs in plants that are used for gaseous exchange

Last Answer : Name the structure/organs in plants that are used for gaseous exchange

The gaseous exchange in plants take place through?

Description : The gaseous exchange in plants take  place through?

Last Answer : Stomata

Describe different methods of gaseous exchange in plants?

Description : Describe different methods of gaseous exchange in plants? 

Last Answer : Plants have no special organs for exchange of gases. In plants gaseous exchange occurs in each part. The different methods are as under: - Through Stomata: - Gaseous exchange takes place ... gaseous exchange. Through Diffusion: - The aquatic plants obtain oxygen by diffusion from water. 

In lung, gaseous exchange is done by `:-`

Description : In lung, gaseous exchange is done by `:-`

Last Answer : In lung, gaseous exchange is done by `:-` A. Simple diffusion B. Active transport C. Passive transport D. fascilitated diffusion

in which part gaseous exchange take place in rabbit

Description : in which part gaseous exchange take place in rabbit

Last Answer : in which part gaseous exchange take place in rabbit A. Traches `&` alveolar duct B. Trachea `&` ... Alveolar duct `&` alveoli D. Alveoli `&` Trachea

How lungs fulfill this requirement that large surface area and thin epithelium are required for gaseous exchange?

Description : How lungs fulfill this requirement that large surface area and thin epithelium are required for gaseous exchange?

Last Answer : Feel Free to Answer

Why Gaseous exchange and breathing are necessary for cellular respiration explain?

Description : Why Gaseous exchange and breathing are necessary for cellular respiration explain?

Last Answer : Feel Free to Answer

Which among the following parts of a plant is involved in gaseous exchange? (1) Stomata (2) Lenticels (3) Vacuoles (4) Stomata & Lenticels

Description : Which among the following parts of a plant is involved in gaseous exchange? (1) Stomata (2) Lenticels (3) Vacuoles (4) Stomata & Lenticels

Last Answer : (4) Stomata & Lenticels Explanation: Plants obtain the gasesthey need through their leaves. They require oxygen for respiration and carbon dioxide for photosynthesis.

Why gaseous exchange between organisms and environment is necessary?

Description : Why gaseous exchange between organisms and environment is necessary?  

Last Answer : The exchange of gases is necessary because: - i) When organism get oxygen from environment to oxidize their compounds. In this process CO2 is produced which is harmful for body. Therefore ... iii) The exchange of gases between organisms and environment form the first stage of aerobic respiration.

Which of the following structures is involved in gaseous exchange in woody stem of a plant? (a) Stomata (b) Lenticel (c) Hydathode (d) Epidermis

Description : Which of the following structures is involved in gaseous exchange in woody stem of a plant? (a) Stomata (b) Lenticel (c) Hydathode (d) Epidermis

Last Answer : (b) Lenticel

Death of protoplasm is a pre-requisite for a vital function like (a) transport of sap (b) transport of food (c) absorption of water (d) gaseous exchange.

Description : Death of protoplasm is a pre-requisite for a vital function like (a) transport of sap (b) transport of food (c) absorption of water (d) gaseous exchange.

Last Answer : (a) transport of sap

Opening and closing of stomata is due to the (a) hormonal change in guard cells (b) change in turgor pressure of guard cells (c) gaseous exchange (d) respiration.

Description : Opening and closing of stomata is due to the (a) hormonal change in guard cells (b) change in turgor pressure of guard cells (c) gaseous exchange (d) respiration.

Last Answer : (b) change in turgor pressure of guard cells

Main function of lenticel is (a) transpiration (b) guttation (c) gaseous exchange (d) bleeding

Description : Main function of lenticel is (a) transpiration (b) guttation (c) gaseous exchange (d) bleeding

Last Answer : (c) gaseous exchange

Lenticels are involved in (a) food transport (b) photosynthesis (c) transpiration (d) gaseous exchange

Description : Lenticels are involved in (a) food transport (b) photosynthesis (c) transpiration (d) gaseous exchange

Last Answer : (d) gaseous exchange.

Which of the following statements is not true for stomatal apparatus? (a) Guard cells invariably possess chloroplasts and mitochondria. (b) Guard cells are always surrounded by subsidiary cells. (c) Stomata are involved in gaseous exchange. (d) Inner wall of guard cells are thick

Description : Which of the following statements is not true for stomatal apparatus? (a) Guard cells invariably possess chloroplasts and mitochondria. (b) Guard cells are always surrounded by subsidiary cells. (c) Stomata are involved in gaseous exchange. (d) Inner wall of guard cells are thick

Last Answer : (b) Guard cells are always surrounded by subsidiary cells.

Death of protoplasm is a pre-requisite for a vital function like (a) transport of sap (b) transport of food (c) absorption of water (d) gaseous exchange

Description : Death of protoplasm is a pre-requisite for a vital function like (a) transport of sap (b) transport of food (c) absorption of water (d) gaseous exchange

Last Answer : (a) transport of sap

Death of protoplasm is a pre-requisite for a vital function like (a) transport of sap (b) transport of food (c) absorption of water (d) gaseous exchange

Description : Death of protoplasm is a pre-requisite for a vital function like (a) transport of sap (b) transport of food (c) absorption of water (d) gaseous exchange

Last Answer : (a) transport of sap

One of the methods of purification of leach liquor is ion exchange, which involves (A) Exchange between two liquid phases (B) Exchange between a gaseous phase and a liquid phase (C) Exchange between a liquid phase and an organic resin phase (D) Exchange between a solid phase and a gas phase

Description : One of the methods of purification of leach liquor is ion exchange, which involves (A) Exchange between two liquid phases (B) Exchange between a gaseous phase and a liquid phase (C) Exchange between a liquid phase and an organic resin phase (D) Exchange between a solid phase and a gas phase

Last Answer : (C) Exchange between a liquid phase and an organic resin phase

Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: (1) Mixing ratio (2) Relative humidity (3) Absolute humidity (4) Specific humidity

Description : Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: (1) Mixing ratio (2) Relative humidity (3) Absolute humidity (4) Specific humidity

Last Answer : (3) Absolute humidity Explanation: The relative humidity of air at a given temperature is the ratio of mass of water vapour actually present in a certain volume of air to the mass of water vapour required to saturate the same volume of air at the same temperature, multiplied by 100.

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

While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is (A) Infinity (B) Unity (C) Constant (D) Negative

Description : While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is (A) Infinity (B) Unity (C) Constant (D) Negative

Last Answer : (C) Constant

For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the (A) Steam to ethylene ratio (B) Temperature (C) Pressure (D) None of these

Description : For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the (A) Steam to ethylene ratio (B) Temperature (C) Pressure (D) None of these

Last Answer : (D) None of these

Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: (1) Mixing ratio (2) Relative humidity (3) Absolute humidity (4) Specific humidity

Description : Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: (1) Mixing ratio (2) Relative humidity (3) Absolute humidity (4) Specific humidity

Last Answer : Absolute humidity

(a)Explain how does the exchange of gases occur in plants across the surface of stems, roots and leaves. (b) How are water and minerals transported in plants ? -Biology

Description : (a)Explain how does the exchange of gases occur in plants across the surface of stems, roots and leaves. (b) How are water and minerals transported in plants ? -Biology

Last Answer : a) In plants there are tiny pores called stomata on leaves and lenticels in stem which facilitate the exchange of gases. Carbon dioxide is taken in and oxygen given out {during photosynthesis} and vice ... within the plant, to all parts like the stem, roots, fruits etc. in all directions.

___________ can be used as a standard to measure the efficiency of an economy 1. Cash reserve ratio 2. Exchange rate ratio 3. Incremental capital output ratio 4. Profit ratio 5. None of these

Description : ___________ can be used as a standard to measure the efficiency of an economy 1. Cash reserve ratio 2. Exchange rate ratio 3. Incremental capital output ratio 4. Profit ratio 5. None of these

Last Answer : Incremental capital output ratio

The ratio of foreign rates to domestic rates measured in the 'same' currency is known as:a) Real exchange rateb) Nominal exchange ratec) Superfluous exchange rated) None of the above

Description : The ratio of foreign rates to domestic rates measured in the 'same' currency is known as: a) Real exchange rate b) Nominal exchange rate c) Superfluous exchange rate d) None of the above

Last Answer : a) Real exchange rate

____________ rate is the ratio for exchange of two currencies.

Description : ____________ rate is the ratio for exchange of two currencies.

Last Answer : Exchange,

Intrinsic value of each equity shares of the vendor company is Rs. 250 and that of the purchasing company is Rs. 400. The exchange ratio of shares on the basis of intrinsic value is - (A) 2:1 (B) 8:8 (C) 8:5 (D) None of the above

Description : Intrinsic value of each equity shares of the vendor company is Rs. 250 and that of the purchasing company is Rs. 400. The exchange ratio of shares on the basis of intrinsic value is - (A) 2:1 (B) 8:8 (C) 8:5 (D) None of the above

Last Answer : (C) 8:5