MHT CET · BIOLOGY · STD 11 - 13. Respiration and Energy Transfer

Select the correct sequence of intermediates formed during Krebs cycle.

A Malate → OAA → Fumarate → Succinate
B Fumarate → Succinate → Malate → OAA
C Succinate → Malate → OAA → Fumarate
D Succinate → Fumarate → Malate → OAA

Verified Solution

Answer & Solution

Correct Answer

(D) Succinate → Fumarate → Malate → OAA

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.

Same subject

Match part of sperm in column I with its component in column II and function is column III select the correct option,

Column I (Part of perm)	Column II (component)	Column III (Function)
A. Head	P. Centrioles	W. Whiplash movement in female reproductive tract
B .Neck	Q. Acrosome	X. Helps in formation of synkaryon spindle
C. Middle piece	R. Nebenkern	Y. Provides energy for sperm movement
D. Tail	S. Axial filament	Z. Secretes penetrating enzyme

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