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

A plant is provided with ideal conditions for photosynthesis and supplied with isotope \({ }^{14} CO _2\). When the products of the process are analysed carefully, what would be the nature of products?

  1. A Both glucose and oxygen are labelled
  2. B Only glucose and oxygen are normal.
  3. C Both glucose and oxygen and normal
  4. D Only glucose is labelled and oxygen is normal
Verified Solution

Answer & Solution

Correct Answer

(D) Only glucose is labelled and oxygen is normal

Step-by-step Solution

Detailed explanation

(D) Only glucose is labelled and oxygen is normal,
A plant is provided with ideal conditions for photosynthesis and supplied with isotope \({ }^{14} CO _2\).
According to the given condition, as labelled \(CO _2\) is a reactant of photosynthesis process and it will be consumed in a product (glucose), So glucose will be labelled radioactivelly and oxygen will be in the normal state.