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NEET UG Amines and Biomolecules — practice questions — page 3

Explore 207 free Amines and Biomolecules questions in NEET UG Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Amines and Biomolecules questions and exercises with answers

Showing questions 61–90 of 207.

Polysaccharides are also called non-sugars because they are not:Read the answer and worked solution →Sugars that reduce Tollens' reagent are called:Read the answer and worked solution →A monosaccharide holding an aldehyde group is called an:Read the answer and worked solution →Glucose is an aldohexose also known as:Read the answer and worked solution →Prolonged heating of glucose with hydrogen iodide gives:Read the answer and worked solution →Glucose oxidised by bromine water yields:Read the answer and worked solution →Oxidation of glucose with nitric acid gives:Read the answer and worked solution →Glucose pentaacetate shows that glucose carries how many hydroxyls?Read the answer and worked solution →Commercial glucose is obtained by hydrolysing starch at:Read the answer and worked solution →The carbon whose hydroxyl decides alpha or beta glucose is called:Read the answer and worked solution →The six membered ring form of glucose is called the:Read the answer and worked solution →Fructose is best described as a:Read the answer and worked solution →The five membered ring form of fructose is called the:Read the answer and worked solution →Two monosaccharides joined through an oxygen atom share a:Read the answer and worked solution →Sucrose is a non reducing sugar because both its:Read the answer and worked solution →The laevorotatory mixture left after hydrolysing sucrose is called:Read the answer and worked solution →Maltose on hydrolysis gives two units of:Read the answer and worked solution →Lactose, the sugar of milk, is built from glucose and:Read the answer and worked solution →The water soluble component of starch is:Read the answer and worked solution →Amylopectin makes up roughly what share of starch?Read the answer and worked solution →Cellulose is a straight chain polymer built only from:Read the answer and worked solution →Carbohydrate is stored in the animal body as:Read the answer and worked solution →All proteins are polymers of which kind of amino acid?Read the answer and worked solution →The word protein comes from a Greek word meaning:Read the answer and worked solution →Amino acids the body cannot make and must eat are called:Read the answer and worked solution →The dipolar ion form of an amino acid is called a:Read the answer and worked solution →Which amino acid is not optically active?Read the answer and worked solution →Most naturally occurring amino acids carry which configuration?Read the answer and worked solution →The bond joining two amino acids in a protein is a:Read the answer and worked solution →A chain of more than ten amino acids is called a:Read the answer and worked solution →

Worked practice questions

Polysaccharides are also called non-sugars because they are not:

  1. Stable
  2. Sweet
  3. Solid
  4. Sour
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Correct answer: B. Sweet

1. Sugars get their name from their taste. 2. Starch and cellulose have no such taste. 3. So polysaccharides are called non-sugars. _Source: syllabus Chemistry Part 2, Unit 10 'Biomolecules'_

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Sugars that reduce Tollens' reagent are called:

  1. Reducing alcohols
  2. Reducing aldehydes
  3. Reducing sugars
  4. Reducing starches
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Correct answer: C. Reducing sugars

1. A free aldehyde or keto group can reduce the reagent. 2. Fehling's solution behaves the same way. 3. Such carbohydrates are the reducing sugars. _Source: syllabus Chemistry Part 2, Unit 10 'Biomolecules'_

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A monosaccharide holding an aldehyde group is called an:

  1. Anhydro
  2. Aldoxime
  3. Alditol
  4. Aldose
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Correct answer: D. Aldose

1. Monosaccharides are named for their functional group. 2. A keto group makes it a ketose. 3. An aldehyde group makes it an aldose. _Source: syllabus Chemistry Part 2, Unit 10 'Biomolecules'_

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More Chemistry topics

Chemical KineticsAldehydes, Ketones and Carboxylic AcidsEquilibriumRedox ReactionsHydrocarbonsChemical Bonding and Molecular StructureSolutionsStructure of Atom