MHT CET · BIOLOGY · STD 12 - 6. Plant Water Relation

Trees and shrubs have __________ in their bark for gaseous exchange.

A Hydathodes
B Stomata
C Lenticels
D Plasmodesmata

Verified Solution

Answer & Solution

Correct Answer

(C) Lenticels

Step-by-step Solution

Detailed explanation

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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	Column I		Column II
i	Bullimia	a.	loss of memory
ii	Anorexia nervosa	b.	extreme overindulgence in Food
iii	Amnesia	c.	sadness and inactivity in life
iv	Depression	d.	emotional aversion to food

	Column I		Column II
(a)	Cerebral hemispheres	(i)	Habenculor commissure
(b)	Two lobes of thyroid glands	(ii)	Corpus callosum
(c)	Cerebellar hemisphere	(iii)	Isthmus
(d)	Thalami	(iv)	Vermis

	Column I		Column II
i.	Cellular	a.	Coconut
ii.	Nuclear	b.	Asphodelus
iii.	Helobial	c.	Petunia

	Column I		Column II
I.	Glucose	a.	reserve food in plants
ii.	Fructose	b.	component of cell wall
Iii.	Cellulose	c.	fuel of living cell
iv.	Starch	d.	fruit sugar