MCQ
Two chief functions of leaves are
- APhotosynthesis and respiration
- ✓Photosynthesis and transpiration
- CTranspiration and respiration
- DRespiration and digestion
✓
Answer
Correct option: B.
Photosynthesis and transpiration
b
(b) Photosynthesis and transpiration both are equally essential processes because photosynthesis helps to maintain the equilibrium position of $O_2$ and $CO_2$ in the atmosphere and transpiration maintains the atmospheric temperature.
(b) Photosynthesis and transpiration both are equally essential processes because photosynthesis helps to maintain the equilibrium position of $O_2$ and $CO_2$ in the atmosphere and transpiration maintains the atmospheric temperature.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In the initial stages of protoplast culture, sorbitol/mannitol is added
$RQ$ of anaerobic respiration is $B$
→Class is placed between.........and..........in taxonomy
Assertion : Cyclic pathway of photosynthesis first appeared in some eubacterial species.
Reason : Oxygen started accumulating in the atmosphere after the non-cyclic pathway of photosynthesis evolved
Match column-$I$ with column-$II$ and choose the correct option.
→| Column-$I$ | Column-$II$ |
| $A$. Tonoplast | $I$. Contain digestive enzyme |
| $B$. Contractile vacuole | $II$. Store metabolic gases |
| $C$. Food vacuole | $III$. Excretion |
| $D$. Air vacuole | $IV$. Transport of ions in plants |
Choose the correct.
In Dryopteris
The graph given below shows the effect of potassium cyanide on the rate of photosynthesis of Chlorella at different light intensities. Which one of the following can be deduced from the graph
Subsidiary cells are the specialised cell in the
We are created by chloroplast. This statement suggest the idea