DNA and RNA comprise of 

(1) sugar, phosphate, base

(2) sugar, phosphate

(3) base, phosphate

(4) sugar, base

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 90%
From NCERT
AIIMS - 2014
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Which of the following options consist of non-essential amino acids only?

(1) Valine, leucine, glycine, alanine

(2) Glycine, serine, proline, glutamic acid

(3) Proline, aspartic acid, glutamic acid, methionine

(4) Cysteine, tyrosine, alanine, isoleucine

Subtopic:  Different Amino Acids |
 58%
AIIMS - 2014
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Match Column - I with Column -II and select the correct option from codes given below.

          Column-I                               Column-II

A. Pigments                           (i) Abrin, ricin

B. Toxins                               (ii) Concanavalin A

C. Alkaloids                           (iii) Carotenoids

D. Lectins                              (iv) Morphine, codeine

(1) A-(iv), B-(iii), C-(i), D-(ii)

(2) A-(ii), B-(iv), C-(i), D-(iii)

(3) A-(iii), B-(i), C-(iv),D-(ii)

(4) A-(i), B-(ii), C-(iii), D-(iv)

Subtopic:  Primary & Secondary Metabolites |
 93%
From NCERT
AIIMS - 2015
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Cholesterol is a precursor for each of the following except

(1) bile salts                 

(2) vitamin D

(3) insulin                     

(4) steroids

Subtopic:  Lipids: Glycerolipids, Phospholipids & Glycerol |
AIIMS - 2015
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Which one of the following is an incorrect combination?

(1) Adenine, thymine, cytidine

(2) Adenine, cytosine, thymine

(3) Guanine, thymine, uracil

(4) Cytosine, uracil, guanine

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 62%
From NCERT
AIIMS - 2015
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Identify the given structure:

(1) Adenylic acid

(2) Uracil

(3) Cholesterol

(4) Adenosine

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 78%
From NCERT
AIIMS - 2016
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Excess carbohydrates and proteins are stored in the body as

(1) amino acids                       

(2) fats

(3) starch                               

(4) monosaccharides

 75%
AIIMS - 2012
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Which one of the following pairs in not correctly matched?

(1) Vitamin-B12-Pernicious anaemia

(2) Vitamin-B6-Loss of appetite

(3) Vitamin-B1-Beri-beri

(4) Vitamin-B3-Pellagra

Subtopic:  Enzymes |
 54%
AIIMS - 2012
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Nickel contributes to the formation of one of the following

(1) urease                               

(2) dehydrogenase

(3) rubisco protein                   

(4) nitrate reductase

Subtopic:  Enzymes Classification |
AIIMS - 2011
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Thiamine (B1) deficiency resuits in.
(1) Wernickes’ syndromes

(2) Korsakoffs’ syndromes

(3) osteonecrosis

(4) tunnel vission

 65%
AIIMS - 2009
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