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CSIR NET Biological Macromolecules — practice questions

Explore 58 free Biological Macromolecules questions in CSIR NET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Biological Macromolecules questions and exercises with answers

Showing questions 1–30 of 58.

Complete the polymer reactionRead the answer and worked solution →Match each molecule to its bondRead the answer and worked solution →Saturated or unsaturated?Read the answer and worked solution →Build a protein, level by levelRead the answer and worked solution →DNA or RNA?Read the answer and worked solution →Tap the one that does not fitRead the answer and worked solution →True or false, macromoleculesRead the answer and worked solution →What is released when two monomers join during dehydration synthesis?Read the answer and worked solution →Which set of enzymes breaks carbohydrates down during digestion?Read the answer and worked solution →Glucose monomers are the building units of which three polymers?Read the answer and worked solution →What is the ratio of carbon to hydrogen to oxygen in a carbohydrate?Read the answer and worked solution →Carbohydrates are classified into which three subtypes?Read the answer and worked solution →A sugar that carries an aldehyde group rather than a ketone group is called what?Read the answer and worked solution →How many carbons does a monosaccharide usually contain?Read the answer and worked solution →Glucose, galactose and fructose share one chemical formula but differ in structure. What are they called?Read the answer and worked solution →In a ring form of glucose, what marks the alpha position at carbon 1?Read the answer and worked solution →What name is given to the covalent bond formed between two monosaccharides?Read the answer and worked solution →Which two monomers make up lactose?Read the answer and worked solution →Salivary amylases break dietary starch down into which smaller molecules?Read the answer and worked solution →What is the process that breaks glycogen down when blood glucose falls?Read the answer and worked solution →Which polysaccharide makes up most of the plant cell wall?Read the answer and worked solution →Which organisms in the rumen secrete the cellulase that herbivores depend on?Read the answer and worked solution →Which polysaccharide forms both the arthropod exoskeleton and fungal cell walls?Read the answer and worked solution →Besides adding bulk for regular bowel movement, what else does fibre regulate?Read the answer and worked solution →Why are lipids insoluble in water?Read the answer and worked solution →Which groups of molecules are counted as lipids?Read the answer and worked solution →How many water molecules are released when one triacylglycerol is assembled?Read the answer and worked solution →What makes a fatty acid saturated?Read the answer and worked solution →Which change in blood lipids has been linked to more trans fat in the diet?Read the answer and worked solution →What are waxes made of?Read the answer and worked solution →

Worked practice questions

Complete the polymer reaction

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Missing parts
  1. Answer
    dehydration synthesis
    Choices
    1. hydrolysis
    2. denaturation
    3. dehydration synthesis
  2. Answer
    water
    Choices
    1. water
    2. oxygen
    3. carbon dioxide
  3. Answer
    hydrolysis
    Choices
    1. condensation
    2. hydrolysis
    3. polymerisation
Complete the statement
Two monomers join by {0}, which releases one molecule of {1}. Splitting the polymer apart again is called {2}.
Instructions
Tap the right word for each blank to finish the sentence.
_Source: OpenStax Biology 1e, section 3.1 Synthesis of Biological Macromolecules_

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Match each molecule to its bond

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Matching pairs
  1. Left
    Starch
    Right
    Glycosidic bond between two sugars
  2. Left
    A polypeptide
    Right
    Peptide bond between two amino acids
  3. Left
    DNA strand
    Right
    Phosphodiester linkage between sugars
  4. Left
    A triglyceride
    Right
    Ester bond from fatty acid to glycerol
  5. Left
    Folded protein
    Right
    Disulfide linkage between two cysteines
Instructions
Tap a molecule, then tap the bond that holds it together.
_Source: OpenStax Biology 1e, section 3.2 Carbohydrates_

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Saturated or unsaturated?

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Left
Saturated
Items
  1. Item
    Stearic acid
    Answer
    Saturated
  2. Item
    Only single bonds
    Answer
    Saturated
  3. Item
    Oleic acid
    Answer
    Unsaturated
  4. Item
    Solid at room temp
    Answer
    Saturated
  5. Item
    Palmitic acid
    Answer
    Saturated
  6. Item
    Has a double bond
    Answer
    Unsaturated
  7. Item
    Olive oil
    Answer
    Unsaturated
  8. Item
    Canola oil
    Answer
    Unsaturated
Right
Unsaturated
Instructions
Swipe left for saturated, swipe right for unsaturated.
_Source: OpenStax Biology 1e, section 3.3 Lipids_

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