KCET · BIOLOGY · STD 11 - 11. Photosynthesis in Higher Plants

In an experiment demonstrating the evolution of oxygen in Hydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favourable?

A Amount of oxygen evolved decrease as the availability of carbon dioxide increases.
B Amount of oxygen evolved increases as carbon dioxide in water is absorbed by sodium bicarbonate.
C Amount of oxygen evolved decrease as carbon dioxide in water is observed by sodium bicarbonate,
D Amount of oxygen evolved increases as the availability of carbon dioxide increases.

Verified Solution

Answer & Solution

Correct Answer

(D) Amount of oxygen evolved increases as the availability of carbon dioxide increases.

Step-by-step Solution

Detailed explanation

(D) Amount of oxygen evolved increases as the availability of carbon dioxide increases.,
In the experiment with Hydrilla, adding sodium bicarbonate increase the availability of carbon dioxide in the water. This enhanced availability of carbon dioxide improves the rate of photosynthesis, which, in turn, increases the amount of oxygen evolved.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

Explore more questions on app

From KCET

Explore more questions on app