At present, the concentration of `CO_(2)` in the atmosphere is about:

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Answer :

At present, the concentration of `CO_(2)` in the atmosphere is about: A. 100ppm B. 240ppm C. 380 ppm D. 520 ppm

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Description : The average concentration of carbon dioxide in the atmosphere is : (A) 0.03 ppm (B) 30 ppm (C)0.3 ppm (D) 300 ppm

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Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ? (1) Increasing atmospheric CO 2 concentration up to 0.05% can enhance CO 2 fixation ... for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight

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Description : Assertion `:-` In the alveoli, dissociation of `CO_(2)` from carbamino-haemoglobin takes place Reason `:-` In the alveoli `P_(CO_(2))` is low and `P_(

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Description : Assertion` :-` Major part of `CO_(2)` is transported in the form of sodium bicarbonate. Reason `:-` 0.3 ml of `CO_(2)` is transported per 100ml of blo

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Description : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio of `CO_(2)` allow dissociation of oxyhaemoglobin.

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Description : Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` transport chloride ions diffuse from plasma into t

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Description : In Lungs there if definity exchange of ions between RBC and Plasma. Removal of `CO_(2)` from blood involves -

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Description : Blood do not become acidic although it carries `CO_(2)` because `:-`

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Description : CO is more toxic than `CO_(2)` because it `:`

Last Answer : CO is more toxic than `CO_(2)` because it `:` A. Damage lungs B. It destryos ... system D. reduces the oxygen carrying capacity of haemoglobin

Description : For proper transport of `O_(2)` and `CO_(2)` blood should be

Last Answer : For proper transport of `O_(2)` and `CO_(2)` blood should be A. Slightly acidic B. Strongly acidic C. Strongly alkaline D. Slightly alkaline

Description : Partial pressure of `CO_(2)` is higher `:-`

Last Answer : Partial pressure of `CO_(2)` is higher `:-` A. At alveolar level B. At tissue level C. In atmosphere D. In oxygenated blood

Description : What percentage of `CO_(2)` flows in blood in form of bicarbonates

Last Answer : What percentage of `CO_(2)` flows in blood in form of bicarbonates A. `7%` B. `23%` C. `50%` D. `70%`

Description : Every 100ml deoxygenated blood delivers around `___________________` `CO_(2)` to alveoli `:-`

Last Answer : Every 100ml deoxygenated blood delivers around `___________________` `CO_(2)` to alveoli `:-` A. 20ml B. 4 ml C. 5 ml D. 25ml