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MedicoApps provides authentic NEET PG previous year questions from 2012 to 2025 with detailed explanations, clinical coverage, and offline access.

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Yes, MedicoApps follows an 80/20 high-yield preparation approach, emphasising repeated concepts since 60-75% of NEET PG questions come from concepts tested in past exams.

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The app is regularly updated to align with the latest NEET PG exam patterns and includes new questions as per evolving trends in medical entrance exams.

Do the questions in MedicoApps come with detailed explanations?

Yes, each question is accompanied by an explanatory note that clarifies the concept behind the answer and references relevant sources.

Which previous year exams are included in MedicoApps?

MedicoApps includes authentic previous year questions from NEET PG, NeXT PG, INI CET, and FMGE exams, spanning from 2012 to 2025.

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Yes, MedicoApps is suitable for both beginners and advanced students. It offers a wide range of questions to support preparation at all stages.

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Yes, MedicoApps offers a no-questions-asked 30-day money-back guarantee on all premium plans.

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A good NEET PG QBank should include PYQs, clinical MCQs, image-based questions, and grand tests. MedicoApps provides all these features along with offline access and explanations in one platform.

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You can practice NEET PG previous year questions on MedicoApps, which includes 10,000+ questions from 2012 to 2025 with detailed explanations and offline support.

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You can reach the MedicoApps customer support team through the app or the official website at medicoapps.org.

Sphingophospholipids

Q. 1 Which of the following structures is common to all sphingolipids?

A		Carnitine
B		Ceramide
C		Diacylglycerol
D		Sphingomyelin

Q. 2

A membrane phospholipid that does not contain glycerol is:

A		Lecithine
B		Cardiolipin
C		Sphingomyelin
D		Cellulose

Q. 3

Glycosphingolipidis made up of:

A		Glucose
B		Fatty acids
C		Sphingosine
D		All Correct

Q. 1

Which of the following structures is common to all sphingolipids?

A		Carnitine
B		Ceramide
C		Diacylglycerol
D		Sphingomyelin

Ans. B

Explanation:

Sphingolipids are a class of lipids that are structural components of membranes. Ceramide is a component of sphingolipids. Ceramide is composed of sphingosine, a long-chain amino alcohol with a saturated fatty acid linked to the amino group. Sphingolipids can be differentiated on the basis of the “X” group that is esterified to the terminal hydroxyl group of ceramide.

Carnitine is involved in the oxidation of fatty acids. Carnitine is important in transferring fatty acids from the cytoplasm into the mitochondria (the carnitine shuttle).

Diacylglycerol is the alcohol common to all phospholipids. The second alcohol (e.g., choline, ethanolamine, serine) contributes the polar head that distinguishes the different classes of phospholipids. Like sphingolipids, phospholipids are found in membranes.

Sphingomyelin is a sphingolipid with phosphocholine as its “X” group. It is a component of the myelin sheath.

Ref: Botham K.M., Mayes P.A. (2011). Chapter 24. Metabolism of Acylglycerols & Sphingolipids. In D.A. Bender, K.M. Botham, P.A. Weil, P.J. Kennelly, R.K. Murray, V.W. Rodwell (Eds), Harper’s Illustrated Biochemistry, 29e.

Q. 2 A membrane phospholipid that does not contain glycerol is:

A		Lecithine
B		Cardiolipin
C		Sphingomyelin
D		Cellulose

Ans. C

Explanation:

Sphingomyelin has got sphingosine alcohol, not the glycerol. Lecithin & cardiolipin has got glycerol in it and they are membrane phospholipid.

Q. 3

Glycosphingolipidis made up of:

A		Glucose
B		Fatty acids
C		Sphingosine
D		All Correct

Ans. D

Explanation:

A, B, C i.e. Glucose, Sphingosine, Fatty acids

Glycosphingolipid = Ceramide (Sphingosine / amino alcohol + Fatty acid) + Mono/oligo saccharide like glucose, galactose. Ganglioside (acidic glycosphingolipid) = Ceramide + Oligosaccharide + NANA (N-acetylneuraminic acid or sialic acid)

– Glyco-sphingolipid is made up of ceramide (which is a long chain fatty acid attached to amino group of sphingosine through an amide linkage i.e. = sphingosine/ amino alcohol + Fatty acid) attached directly to mono /oligo saccharide

(polar head) by an 0-glycosidic bond. Glycosphingolipids differ from sphingomyelin (phospho- sphingolipid) in that they do not contain phosphate (polar group); and differ from glycerophospholipids (phosphoglycerides) that they do not contain glycerol.

Ganglioside (acidic, negatively charged glyco-sphingolipid) contain sphingosine alcohol (4 sphingenine) 1 molecule, long chan fatty acid (1 mol), Oligosaccharide polar head and 1 or more residues of N- acetylneurminic acid (Neu 5 Ac), a sialic acid (often simply called sialic acid) giving it a negative charge, at termini. Ganglioside do not contain glycerol and phosphateQ.

Ceramide containing sphingosine amino alcohol is present in all sphingolipids (ie. phospho & glyco- sphingolipids)Q.

Sphingophospholipids

Sphingophospholipids

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