1. if a plant is releasing co2 and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? justify your answer.
2.in each of the situations what will happen to the rate of photosynthesis:
a) cloudy days b)no rainfall in the area c)good manuring in the area d)stomata gets blocked due to dust
2.(a)cloudy days:- Due to clouds sunlight will not be able to reach the stomata for photosynthesis and sunlight has an essential role in photosynthesis. So the rate of photosynthesis will decrease.
(b)no rainfall in the area means that there is no water and according to the definition of photosynthesis it is the process by which green plants make their own food using water, sunlight and nutrients. So the rate of photosynthesis will decrease.
(c)Good manuring in the area will increase the rate of photosynthesis as there will be nutrients as well as water in the manure.
(d)Dust on stoma will decrease the rate of photosynthesis as the role of stoma is to trap the sunlight with the help of chlorophyll and if sunlight is not there , photosynthesis can't take place.
answer—The photosynthesis and respiration takes place in day time. If a plant is releasing Co2 and taking O2 during day,that doesn't mean that photosynthesis is not occurring. Respiration releases Co2. Plants are living beings and metabolism constantly ‘burns’ food taking oxygen and releasing carbon dioxide. If plants give out carbon dioxide it is also possible that there is no breakdown of carbon and water.So ,it is not correct to say that if plant releases carbon dioxide and takes in oxygen during day time, no photosynthesis is taking place.
if a plant releasing CO2 and taking in oxygen during the day it also meant it it it does its process that is photosynthesis because when plant takes CO2 they used that CO2 preparing glucose when the Gurukul are breakdown in the form of energy it releases oxygen
Mate ur que is wrong It will be
If a plant is taking in CO2 and release in oxygen during the day, it doesn't mean that there is no photosynthesis
Because due to the process of photosynthesis plants taken in Co2 and release oxygen
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There is photosynthesis
Photosynthesis and respiration of plant is occurring during the day. If plant is releasing CO2 nad absorbing O2 then this do not mean that photosynthesis is not occurring. Respiration releases CO2. Plants are living being and burning of food intake oxygen and release Carbo n dioxide. It is also possible that there is no breakdown of Carbon and water. So, it is incorrect to say that if a plant is releasing carbon dioxide and taking in oxygen during the day does it mean there is no photosynthesis occurring.
Plants take in CO2 and release oxygen during photosynthesis . So,whatever amount of CO2 is released during respiration by plants during the day is used up in the synthesis of starch that is photosynthesis.
Also, photosynthesis requires sunlight and sunlight is available during the day so this process is possible.
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▪During day time respiration and photosynthesis both occurs. During photosynthesis plant inhales carbon dioxide and exhales oxygen.
At the same time during respiration plant inhales the oxygen in some amount rest is diffuses in air and exhales carbon dioxide which is again at the same time used up by the plants for photosynthesis.
the sequence goes like that:
paddy field — grasshopper—frog —snake—eagle
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