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Q. No.Cheilosis occurs due to a deficiency of:
1.
Thiamine
2.
Nicotinamide
3.
Pyridoxamine
4.
Riboflavin
Subtopic: Vitamins, Hormones & Enzymes |
68%
From NCERT
NEET - 2023
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Given below are two statements:
In the light of the above statements choose the correct answer from the options given below:
| Statement I: | A unit formed by the attachment of a base to 1' position of sugar is known as a nucleoside. |
| Statement II: | When nucleoside is linked to phosphorous acid at 5' position of sugar moiety we get nucleotide. |
| 1. | Statement I is false but Statement II is true. |
| 2. | Both Statement I and Statement II are true. |
| 3. | Both Statement I and Statement II are false. |
| 4. | Statement I is true but Statement II is false. |
Subtopic: DNA, RNA & Metal Ions |
From NCERT
NEET - 2023
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The incorrect statement about the denaturation of proteins is:
| 1. | It results due to change of temperature and pH. |
| 2. | It results in the loss of biological activity of proteins. |
| 3. | A protein is formed from amino acids linked by peptide bonds. |
| 4. | Uncoiling of the helical structure takes place. |
Subtopic: Denaturation of Proteins & Chemical Properties |
66%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Subtopic: Carbohydrates - Classification & D-L configuration |
68%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
The RBC deficiency is a deficiency disease of:
| 1. | Vitamin B1 | 2. | Vitamin B2 |
| 3. | Vitamin B12 | 4. | Vitamin B6 |
Subtopic: Vitamins, Hormones & Enzymes |
86%
From NCERT
NEET - 2021
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Which is the correct statement among the following?
| 1. | Starch is a polymer of α-glucose |
| 2. | Amylose is a component of cellulose |
| 3. | Proteins are composed of only one type of amino acid |
| 4. | In the cyclic structure of fructose, there are four carbons and one oxygen atom |
Subtopic: Polysaccharides & their Importance |
62%
From NCERT
AIPMT - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
A compound that gives a positive Fehling solution test is:
| 1. | Sucrose | 2. | Glucose |
| 3. | Fats | 4. | Protein |
Subtopic: Polysaccharides & their Importance |
85%
From NCERT
AIPMT - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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Among the following, reducing sugar is:
1. Galactose
2. Gluconic acid
3. β-methyl galactoside
4. Sucrose
Subtopic: Polysaccharides & their Importance |
70%
From NCERT
AIPMT - 2002
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which is not a true statement:
| 1. | α-carbon of α-amino acid is asymmetric except glycine. |
| 2. | Some proteins of human body are found in L-form |
| 3. | Human body can synthesize all proteins they need |
| 4. | At pH = 7 both amino and carboxylic groups exist in ionized form |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
From NCERT
AIPMT - 2002
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NEET 2023 - Target Batch - Aryan Raj Singh
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Enzymes are made up of:
1. Edible proteins.
2. Proteins with specific structures.
3. Nitrogen-containing carbohydrates.
4. Carbohydrates.
Subtopic: Vitamins, Hormones & Enzymes |
92%
From NCERT
AIPMT - 2002
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NEET 2023 - Target Batch - Aryan Raj Singh
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