The incorrect statement among the following is:

1. Insulin maintains the sugar level in the blood of a human body.
2. Ovalbumin is a simple food reserve in egg white.
3. Blood proteins thrombin and fibrinogen are involved in blood clotting.
4. Denaturation makes the proteins more active.

Subtopic:  Denaturation of Proteins & Chemical Properties |
 88%
From NCERT
NEET - 2017
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The central dogma of molecular genetics states that the genetic information flows from
(1) amino acids  proteins  DNA

(2) DNA  carbohydrates  proteins

(3) DNA  RNA  proteins

(4) DNA  RNA  carbohydrates

 

Subtopic:   DNA, RNA & Metal Ions |
 91%
NEET - 2016
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The correct corresponding order of names of four aldoses with configuration given below

respectively, is
1. L-erythrose, L-threose, L-erythrose, D-threose

2. D-threose, D-erythrose, L-threose, L-erythrose

3. L-erythrose, L-threose, D-erythrose, D-threose

4. D-erythrose, D-threose, L-erythrose, L-threose

Subtopic:  Carbohydrates - Classification & D-L configuration |
 51%
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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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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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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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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