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

1 Answer

Answer :

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

Related questions

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

Last Answer : (d) gaseous exchange.

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

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.

Description : Difference between lenticels and stomata. -Biology

Last Answer : answer:

Description : Similarities between lenticels and stomata. -Biology

Last Answer : answer:

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

Description : Cells contain smaller parts known as organelles. The nucleus, chloroplasts, mitochondria, and vacuoles are all examples of organelles. What do these organelles have in common?

Last Answer : They are all enclosed by a membrane.

Description : (a) “The breathing cycle is rhythmic whereas exchange of gases is a continuous process”. Justify this statement. (b) What happens if conducting tubes of circulatory system develops a leak? State in brief, how could this be avoided? (c) How opening and closing of stomata takes place? -Biology

Last Answer : (a) The breathing cycle involves inhalation and exhalation of air due to alternate expansion and contraction of thoracic cavity. Thus it is a rhythmic process. But exchange of gases is a continuous process ... pore opens up. When water moves out the guard cells shrinks and the stomatal pore closes.

Description : Stomata and mesophyll cells gas exchange? -Biology

Last Answer : answer:

Description : Stomata and mesophyll cells gas exchange? -Biology

Last Answer : answer:

Description : The exchange of gases takes place in the leaves through these pores for the purpose of photosynthesis. These pores are called – (1) Guard Cells (2) Stomata (3) Chloroplast (4) None of the above

Last Answer : (2) Stomata Explanation: Stomata are tiny pores present on the surface of the leaves via which exchange of gases takes place in the leaves for the purpose of photosynthesis. However, exchange of gases also occurs across the surface of stems, roots and leaves as well.

Description : What are lenticels? Give example. -Biology

Last Answer : Lenticels are visible on fruit surfaces, such as mango, apple, and avocado. Lenticels permit the exchange of gases between the environment and the internal tissue spaces of the organs (stems and ... They permit the entrance of oxygen and simultaneously the output of carbon dioxide and water vapor.

Description : Formation of lenticels -Biology

Last Answer : answer:

Description : Do monocots have lenticels? -Biology

Last Answer : answer:

Description : What do lenticels do / function of lenticels? -Biology

Last Answer : answer:

Description : Do all stems have lenticels? -Biology

Last Answer : answer:

Description : Specialised epidermal cells surrounding the guard cells are called (a) bulliform cells (b) lenticels (c) complementary cells (d) subsidiary cells

Last Answer : d) subsidiary cells.

Description : What are plant cell vacuoles ?

Last Answer : What are their functions? How is the covering membrane of the vacuoles called? Plant cell vacuoles are cell structures delimited by membranes within which there is an aqueous solution made of ... delimits the vacuoles is called tonoplast, named after the osmotic function of the structure.

Description : Absorption of solute ions is regulated by (A) Nucleus wall (B) Cell organelles (C) Vacuoles (D) Plant cell membrane

Last Answer : (A) Nucleus wall

Description : Water soluble pigments found in plant cell vacuoles are (a) carotenoids (b) anthocyanins (c) xanthophylls (d) chlorophylls.

Last Answer : (b) anthocyanins

Description : (CBSE2011): Deepa was shown two slides of plant tissues: parenchyma and sclerenchyma. She can identify sclerenchyma by the (a) location of nucleus (b) size of cells (c) thickness of cell walls (d) position of vacuoles

Last Answer : (c) thickness of cell walls

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

Last Answer : answer:

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

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

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

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

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

Last Answer : Feel Free to Answer

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

Last Answer : Feel Free to Answer

Description : The gaseous exchange in plants take  place through?

Last Answer : Stomata

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.

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. 

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

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

Last Answer : (c) 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

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

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

Description : Absorption with chemical reaction' is involved in the removal of (A) Carbon dioxide from gaseous stream using alkaline solution (B) Benzol from coke oven gas using solar oil/wash oil (C) Ammonia ... gas using refrigerated water (D) Tar from coke oven gas in primary gas coolers using chilled water

Last Answer : (A) Carbon dioxide from gaseous stream using alkaline solution

Description : On the basis of gaseous organs, perspiration is divided into how many parts ?

Last Answer : Perspiration can be divided into three parts on the basis of gaseous organs.

Description : Number of gaseous oxides among the following at room temperature is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` (d) `NO_(2)` (e) `N_(2)O_(5)` (f) `P_(4)O_

Last Answer : Number of gaseous oxides among the following at room temperature is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` ( ... (4)O_(10)` (h) `SO_(2)` (i) `SO_(3)`

Description : Number of gaseous oxides among the following at room temperature is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` (d) `NO_(2)` (e) `N_(2)O_(5)` (f) `P_(4)O_

Last Answer : Number of gaseous oxides among the following at room temperature is: (a) `N_(2)O` (b) `NO` (c) `N_(2)O_(3)` ( ... (4)O_(10)` (h) `SO_(2)` (i) `SO_(3)`

Description : Among which of the following is considered as the actual "final frontier" of Earth's gaseous envelope?

Last Answer : Exosphere

Description : What is the function of the stomata in plant leaves?

Last Answer : A: The stomata are responsible for regulating gas exchange (oxygen and carbon dioxide) in and out of the plant.

Description : (a) Leaves of a healthy potted plant were coated with vaseline to block the stomata. Will this plant remain healthy for long? State three reasons for your answer. (b) State any two differences between autotrophic nutrition and heterotrophic nutrition. -Biology

Last Answer : (a) No, this plant will not remain healthy for long. The plant will begin to die because (i) Gaseous exchange will not take place. (ii) No absorption of C02, hence no photosynthesis. (iii) Transpiration will not occur; hence no transportation of water.

Description : During what process of ________, water is lost through the stomata in plant leaves?

Last Answer : transpiration

Description : In which of the following plant sunken stomata are found? (a) Nerium (b) Hydrilla (c) Mango (d) Guava

Last Answer : (a) Nerium

Description : Through their effects on plant growth regulators, what do the temperature and light control in the plants? (a) Apical dominance (b) Flowering (c) Closure of stomata (d) Fruit elongation

Last Answer : (b) Flowering

Description : Stomata of a plant open due to (a) influx of potassium ions (b) efflux of potassium ions (c) influx of hydrogen ions (d) influx of calcium ions.

Last Answer : (a) influx of potassium ions

Description : In Pinus plant, stomata are a. Sunken b. Bulged out c. Absent d. Rarely present

Last Answer : a. Sunken

Description : What are gas vacuoles? -Biology

Last Answer : Gas vacuoles are air-filled, cylindrical compartments present in prokaryotes. They help in the buoyancy. Gas vacuoles are found in many aquatic bacteria such as blue-green algae or cyanobacteria, halophilic ... .g. Halobacterium, a halophile, has gas vesicles, which help them float in salt water.

Description : What are the functions of gas vacuoles? -Biology

Last Answer : Gas vacuoles help bacteria in buoyancy and enable them to float at the desired depth. They do so by inflating and deflating the vesicles. Main functions include:They help the photosynthetic bacteria in ... E.g. Halobacterium, a halophile, has gas vesicles, which help them float in salt water.