The condensed structural formula of Butyric acid is

  • CH3-CH2-CH2-COOH
  • CH3-(CH2)4-COOH
  • CH3-(CH2)14-COOH
  • CH3-(CH2)16-COOH

Kinds of nucleic acids are

  • one
  • two
  • three
  • four

Vitamin D is soluble in

  • fat
  • water
  • ethers
  • phenols

Which of the following helps the muscles of our intestine to move food efficiently through the digestive track?

  • vitamins
  • fiber
  • proteins
  • lipids

Vitamin E is soluble in

  • fat
  • water
  • ethers
  • phenols

Which of the following is not true about monosaccharides?

  • they are white crystalline solids
  • they are soluble in water
  • they have sweet taste
  • they can be hydrolyzed

Scurvy is caused by the deficiency of

  • vitamin A
  • vitamin B
  • vitamin C
  • vitamin D

A class of nitrogen-containing compounds in the nuclei of cells is called

  • deoxyribonucleic acid
  • ribonucleic acid
  • nucleic acid
  • none of above

Vitamin D is necessary for

  • eyes and skin
  • energy production in cells
  • healing wounds and preventing colds
  • bones and teeth

Enzymes are protein in nature and are used as

  • biological catalyst
  • chemical catalyst
  • reaction inhibitor
  • reaction stopper

Vitamin A is soluble in

  • fat
  • water
  • lipids
  • ethers

In the human diet, cellulose is referred to as

  • vitamin
  • fiber
  • lipid
  • protein

Which of the following is added to margarine to prevent night blindness?

  • vitamin A
  • vitamin B
  • vitamin C
  • vitamin D

Which of the following is a pentahydroxy aldehyde?

  • glucose
  • fructose
  • glycogen
  • starch

Sucrose, lactose, and maltose are classified as

  • monosaccharides
  • disaccharides
  • polysaccharides
  • Trisaccharides

Dry skin is caused by the deficiency of

  • vitamin A
  • vitamin B
  • vitamin C
  • vitamin D

Fats and oils are called

  • simple lipids
  • saturated fatty acids
  • unsaturated fatty acids
  • complex lipids

Any component of plant or animal tissue that is insoluble in water but soluble in solvents of low polarity is called

  • protein
  • lipid
  • carbohydrate
  • vitamin

Monosaccharides can contain

  • 4 to 5 carbon atoms
  • 1 to 5 carbon atoms
  • 7 to 9 carbon atoms
  • 3 to 6 carbon atoms

Which of the following is an example of polysaccharides?

  • glucose
  • cellulose
  • fructose
  • maltose

Each nucleotide consists of

  • nitrogenous base
  • five carbon sugar
  • phosphate group
  • all of above

The molecular formula of glucose is

  • C12H22O11
  • C18H32O16
  • C6H12O6
  • C4H10

Which of the following is used in detergents to remove food stains on clothes?

  • protease
  • amylase
  • diastase
  • lactase

Maltose is found in

  • fruits
  • vegetables
  • cereals
  • beans

RNA (Ribonucleic Acid) is made up of

  • ribose sugar
  • phosphate unit
  • nitrogen base
  • all of above

Which of the following helps in the formation of hemoglobin?

  • vitamin A
  • vitamin B
  • vitamin C
  • vitamin D

Night blindness is caused by the deficiency of

  • vitamin A
  • vitamin B
  • vitamin C
  • vitamin D

Hemolysis of red blood cells and sterility are caused by the deficiency of

  • vitamin E
  • vitamin K
  • vitamin C
  • vitamin D

Which of the following protects delicate organs from shocks?

  • skin
  • muscles
  • lubricants
  • fat

Which of the following are high molecular weight polymers?

  • carbohydrates
  • hydrocarbons
  • proteins
  • lipids
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