NEET · Biology · STD 11 - 6. Anatomy flowering plants

Lenticels are involved in

A food transport
B photosynthesis
C transpiration
D gaseous exchange.

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Answer & Solution

Correct Answer

(D) gaseous exchange.

Step-by-step Solution

Detailed explanation

(d) : Lenticels are lens shaped openings formed in bark due to secondarygrowth. They permit gaseous exchange in woody trees. They also contribute to transpiration but in minute amounts because the suberised complementary cells present beneath the pore prevent excessive water loss.

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.

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Match the Column\(-I\) with Column\(-II\)

Column\(-I\)	Column\(-II\)
\((a)\) Golgi apparatus	\((i)\) Synthesis of protein
\((b)\) Lysosomes	\((ii)\) Trap waste and excretory products
\((c)\) Vacuoles	\((iii)\) Formation of glycoproteins and glycolipids
\((d)\) Ribosomes	\((iv)\) Digesting biomolecules

Choose the right match from options given below

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