Many elements are found in living organisms either free or in the form of compounds. Which one of the following is not found in living organisms?

1. Silicon 2. Magnesium
3. Iron 4. Sodium
Subtopic:  Introduction |
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The four elements making 99 % of living system are :
1. CHOS
2. CHOP
3. CHON
4. CNOP

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Upon complete burning of the tissue, all the carbon compounds are oxidized to:

1. Gaseous form (NH3, CO2)

2. Gaseous form (CO2, water vapour)

3. Solid form (CO2, water vapour)

4. Liquid form (CH4, CO2)

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Which of the following organic compounds is the main constituent of Lecithin?

1. Arachidonic acid

2. Phospholipid

3. Cholesterol

4. Phosphoprotein

Subtopic:  Lipids | Introduction | Lipids: Glycerolipids, Phospholipids & Glycerol |
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NEET - 2019
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Which of the following is true about compounds present in acid insoluble pool?

1. They have molecular weight ranging from 10,000 Daltons and above (except in lipids)
2. They are called as Macromolecules
3. They are called as Biomacromolecules
4. All of the above
Subtopic:  Introduction |
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Which of the following is not a polymeric substance?

(1)Carbohydrates

(2)Lipids

(3)Nucleic Acids

(4)Proteins

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The molecular weight of molecules in the acid-insoluble fraction is generally:
1. Less than 18 daltons.
2. Between 18 and 800 daltons.
3. Above 1000 daltons.
4. Exactly 1000 daltons.
Subtopic:  Introduction |
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