NEET · Biology · STD 11 - 19. Chemical coordination and integration

Given below are two statements : one is labelled as Assertion \(A\) and the other is labelled as Reason \(R\) : Assertion \(A\) : FSH acts upon ovarian follicles in female and Leydig cells in male. Reason \(R\) : Growing ovarian follicles secrete estrogen in female while interstitial cells secrete androgen in male human being. In the light of the above statements, choose the correct answer from the options given below :

A Both \(A\) and \(R\) are true but \(R\) is \(NOT\) the correct explanation of \(A\)
B \(A\) is true but \(R\) is false
C \(A\) is false but \(R\) is true
D Both \(A\) and \(R\) are true and \(R\) is the correct explanation of \(A\)

Verified Solution

Answer & Solution

Correct Answer

(C) \(A\) is false but \(R\) is true

Step-by-step Solution

Detailed explanation

The correct answer is option (\(3\)) as \(FSH\) is a gonadotropin affects ovarian follicles in females and causes their growth but in males \(LH\) affects Leydig cells leading to secretion of androgens. Growing ovarian follicles secrete estrogen in females while interstitial cells secrete androgen in male human being.

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

Match the following columns and select the correct option.

Column \(- I\)	Column \(- II\)
\((a)\) Floating Ribs	\((i)\) Located between second and seventh ribs
\((b)\) Acromion	\((ii)\) Head of the Humerus
\((c)\) Scapula	\((iii)\) Clavicle
\((d)\) Glenold cavity	\((iv)\) Do not connect with the sternum

\((a)\quad(b) \quad(c) \quad(d)\)

NEET 2020 Easy

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From NEET

Match List \(I\) with List \(II\).

List \(I\) (Spectral Lines of Hydrogen for transitions from)	List \(II\) (Wavelengths (\(nm\)))
\(A\) \(n_2=3 \text { to } n_1=2\)	\(I\) \(410.2\)
\(B\) \(n_2=4 \text { to } n_1=2\)	\(II\) \(434.1\)
\(C\) \(n_2=5 \text { to } n_1=2\)	\(III\) \(656.3\)
\(D\) \(n_2=6 \text { to } n_1=2\)	\(IV\) \(486.1\)

Choose the correct answer from the options given below:

NEET 2024 Medium

Name the class of enzyme that usually catalyze the following reaction :
\(\mathrm{S}-\mathrm{G}+\mathrm{S}^{\prime} \rightarrow \mathrm{~S}+\mathrm{S}^{\prime}-\mathrm{G}\)
Where, \(G \rightarrow\) a group other than hydrogen
\(S \rightarrow\) a substrate
\(\mathrm{S}^{\prime} \rightarrow\) another substrate

NEET 2025 Medium

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