Which of the following hormones is produced under the condition of stress which

stimulates glycogenolysis in the liver of human beings?

1. Thyroxin               

2. Insulin

3. Adrenaline             

4. Estradiol

Subtopic:  Vitamins, Hormones & Enzymes |
 82%
NEET - 2014
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Deficiency of vitamin B1 causes the disease

1. convulsions

2. beri-beri

3. cheilosis

4. sterility

 

 

Subtopic:  Vitamins, Hormones & Enzymes |
 91%
From NCERT
NEET - 2012
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Which one of the following sets of monosaccharides forms sucrose?

1. a-D-galactopyranose and a-D-glucopyranose

2. α-D-glucopyranose and   b-D-fructofuranose

3. b-D -glucopyranose and a-D fructofuranose

4. α-D-glucopyranose and  b-D-fructopyranose

Subtopic:  Carbohydrates - Classification & D-L configuration |
 76%
From NCERT
NEET - 2012
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Which one of the following statements is not true regarding (+) lactose?

1. (+) lactose is a β-glycoside formed by the union of a molecule of D(+) glucose and a

molecule of D(+) galactose

2. (+) lactose is a reducing sugar and does not exhibit mutarotation

3. (+) lactose, C12H22O11 contains 8-OH groups

4. On hydrolysis (+) lactose gives equal amount of D(+) glucose and D(+) galactose

Subtopic:  Carbohydrates - Classification & D-L configuration | Polysaccharides & their Importance |
 50%
From NCERT
NEET - 2011
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In DNA, the complementary bases are:-

(1) Adenine and thymine; guanine and cytosine

(2) Adenine and thymine; guanine and uracil

(3) Adenine and guanine; thymine and cytosine

(4) Uracil and adenine; cytosine and guanine

Subtopic:   DNA, RNA & Metal Ions |
 90%
From NCERT
NEET - 2008
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Which one of the following vitamins is water-soluble?
(1) Vitamin-B

(2) Vitamin-E

(3) Vitamin-K

(4) Vitamin-A

Subtopic:  Vitamins, Hormones & Enzymes |
 87%
From NCERT
NEET - 2007
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RNA and DNA are chiral molecules, their chirality is due to :-

(1) L-sugar component

(2) chiral bases

(3) chiral phosphate ester units

(4) D-sugar component

Subtopic:   DNA, RNA & Metal Ions |
NEET - 2007
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D-(+)-glucose reacts with hydroxylamine and yields an oxime. The structure of the

oxime would be:-

1.

2.

3.

4.

Subtopic:  Carbohydrates - Classification & D-L configuration |
 70%
NEET - 2014
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The correct statement regarding RNA and DNA, respectively is:

1. The sugar component in RNA is ribose and the sugar component in DNA is 2'- deoxyribose.
2. The sugar component in RNA is arabinose and the sugar component in DNA is ribose.
3. The sugar component in RNA is 2'-deoxyribose and the sugar component in DNA is arabinose.
4. The sugar component in RNA is arabinose and the sugar component in DNA is 2'- deoxyribose.
Subtopic:   DNA, RNA & Metal Ions |
 92%
From NCERT
NEET - 2016
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In a protein molecule, various amino acids are linked together by

(1) b-glycosidic bond

(2) peptide bond

(3) dative bond

(4) a-glycosidic bond

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 92%
From NCERT
NEET - 2016
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