BioCheMisTry - Mcqs Free Pdf,

• BioCheMisTry - Mcqs Pdf
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• 1MCQ: Strand of RNA is made of
• A.    ribose sugar
• B.     phosphate unit
• C.     nitrogen base
• D.    all of above
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• Answer D
• 2MCQ: Which of the following activates more than 100 different enzymes?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer B
• 3MCQ: Which of the following are obtained from fruits, vegetables, and cereals?
• A.    monosaccharides
• B.     sucrose
• C.     cellulose
• D.    starch
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• Answer A
• 4MCQ: Which of the following is not included in fat-soluble vitamins?
• A.    vitamin A
• B.     vitamin D
• C.     vitamin E
• D.    vitamin B
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• Answer D
• 5MCQ: Which of the following is used to make rectified spirit by fermentation process?
• A.    cellulose
• B.     starch
• C.     glucose
• D.    fructose
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• Answer –B
• 6MCQ: Plants convert glucose (C₆H₁₂O₆) in to
• A.    starch only
• B.     cellulose only
• C.     sucrose
• D.    starch and cellulose
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• Answer D
• 7MCQ: How many amino acids are synthesized by our bodies?
• A.    10
• B.     20
• C.     30
• D.    40
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• Answer - A 
• 8MCQ: The condensed structural formula of Caproic acid is
• A.    CH3-CH2-CH2-COOH
• B.     CH3-(CH2)4-COOH
• C.     CH3-(CH2)14-COOH
• D.    CH3-(CH2)16-COOH
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• Answer- B 
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• 9MCQ: Vitamin B is necessary for
• A.    eyes and skin
• B.     energy production in cells
• C.     healing wounds and preventing colds
• D.    bones and teeth
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• Answer B
• 10MCQ: Starch is an example of?
• A.    monosaccharides
• B.     oligosaccharides
• C.     polysaccharides
• D.    lipids
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• Answer C
• 11MCQ: Which of the following causes dry skin when taken in excess amount?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer - A
• 12MCQ: Deficiency of vitamin A causes
• A.    night blindness
• B.     anemia and bleeding gums
• C.     scurvy
• D.    rickets and Osteomalacia
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• Answer - A 
• 13MCQ: Vitamin B is soluble in
• A.    fat
• B.     water
• C.     alcohol
• D.    ethers
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• Answer B
• 14MCQ: Which of the following is the key to the ability of DNA to store genetic information and to pass it on from generation to generation?
• A.    double stranded structure of DNA
• B.     deoxyribose sugar
• C.     phosphate unit
• D.    nitrogen base
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• Answer  A
• 15MCQ: Which of the following is obtained by heating bones and tendons in the water?
• A.    gelatin
• B.     enzyme
• C.     amylase
• D.    lactase
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• Answer – A
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• 16MCQ: Deficiency of vitamin D causes
• A.    night blindness
• B.     anemia and bleeding gums
• C.     scurvy
• D.    rickets and Osteomalacia
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• Answer -D
• 17MCQ: Cellulose is obtained from?
• A.    animals
• B.     microorganisms
• C.     plants
• D.    bacteria
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• Answer  - C
• 18MCQ: How much energy is provided by 1g of glucose?
• A.    15.6 KJ
• B.     16.8 KJ
• C.     20 KJ
• D.    1.2 KJ
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• Answer  - A
• 19MCQ: How many types of vitamins are there?
• A.    two
• B.     three
• C.     four
• D.    five
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• Answer – A
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• 20MCQ: The key to the ability of DNA to pass and store genetic information is its
• A.    hydrogen bonding
• B.     double stranded structure
• C.     deoxyribose sugar
• D.    nitrogen base
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• Answer B 
• 21MCQ: In what form is glucose stored in animal muscles and liver cells?
• A.    glucagon
• B.     vitamins
• C.     glycogen
• D.    starch
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• Answer C
• 22MCQ: Vitamin E is necessary for
• A.    eyes and skin
• B.     energy production in cells
• C.     antioxidant
• D.    blood clotting
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• Answer C
• 23MCQ: Nucleic acids were first obtained from
• A.    blood of infected wounds
• B.     pus of infected wounds
• C.     skin
• D.    muscles
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• Answer B
• 24MCQ: Which of the following used the word 'vitamin' for the missing factors that were needed to sustain healthy growth?
• A.    C. Eijkman
• B.     F.G Hopkins
• C.     Casmir Funk
• D.    Jabar Bin Hayan
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• Answer - C
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• 25MCQ: Which of the following is important in vision?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer A
• 26MCQ: Which of the following is true about DNA?
• A.    it is present in cell nucleus
• B.     it has single strand
• C.     it has ribose sugar
• D.    it is synthesized by RNA
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• Answer A
• 27MCQ: The physical state of fat at room temperature is
• A.    solid
• B.     liquid
• C.     gas
• D.    plasma
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• Answer A
• 28MCQ: Which of the following protects our heart and kidneys from injury?
• A.    skin
• B.     muscles
• C.     lubricants
• D.    fat
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• Answer D
• 29MCQ: Which of the following is used as a catalyst in hydrogenation reaction?
• A.    Ni
• B.     Pd
• C.     Pt
• D.    all of above
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• Answer D
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• 30MCQ: Which of the following are glucose and fructose?
• A.    monosaccharides
• B.     oligosaccharides
• C.     polysaccharides
• D.    starch
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• Answer A
• 31MCQ: When hydrogen is added to an alkene, the process is called
• A.    dehydration
• B.     Dehydrohalogenation
• C.     hydrogenation
• D.    hydrochlorination
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• Answer C
• 32: Considering the structure of DNA, each strand is made up of
• A.    deoxyribose sugar
• B.     phosphate unit
• C.     nitrogen base
• D.    all of above
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• Answer  D
• 33MCQ: Which of the following is necessary for proper bone and tooth growth?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer D
• 34MCQ: Source of caproic acid is
• A.    butter
• B.     palm oil
• C.     beef fat
• D.    olive oil
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• Answer A
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• 35MCQ: In the structure of DNA, how many strands are twisted around each other?
• A.    one
• B.     two
• C.     three
• D.    four
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• Answer B
• 36MCQ: The vitamin which helps in chemical transmission of images from the eye to the brain is
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer A
• 37MCQ: Specific organic compounds which are required by our bodies to prevent specific diseases but cannot be produced by our bodies are called
• A.    hydrocarbons
• B.     carbohydrates
• C.     proteins
• D.    vitamins
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• Answer D
• 38MCQ: Source of butyric acid is
• A.    butter
• B.     palm oil
• C.     beef fat
• D.    olive oil
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• Answer  A
• 39MCQ: Which of the following is used in the form of wood for heat, housing, and furniture?
• A.    cellulose
• B.     starch
• C.     monosaccharides
• D.    oligosaccharides
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• Answer A 
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• 40MCQ: Raffinose is an example of
• A.    monosaccharides
• B.     disaccharides
• C.    polysaccharides
• D.    Trisaccharides
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• Answer D
• 41MCQ: Anemia, bleeding gums and tongue inflammation is caused by the deficiency of
• A.    vitamin A
• B.     vitamin B
• C.    vitamin C
• D.    vitamin D
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• Answer B
• 42MCQ: Which of the following is caused due to an extreme lack of proteins?
• A.    malaria
• B.     typhoid
• C.    kwashiorkor
• D.    anemia
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• Answer C
• 43MCQ: Two fatty acids that are components of fats are
• A.    stearic acid and oleic acid
• B.     butyric acid and caproic acid
• C.    palmitic acid and oleic acid
• D.    none of above
• Answer B
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• 44MCQ: Existence of RNA is in the form of
• A.    single strand
• B.     double strand
• C.    triple strand
• D.    four strands
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• Answer  A
• 45MCQ: The amino acids which are no synthesized by the human body are called
• A.    essential amino acids
• B.     non essential amino acids
• C.    simple amino acids
• D.    complex amino acids
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• Answer B
• 46MCQ: Nutrition is derived by cows, cattle, goats, deer, sheep, and termites from
• A.    cellulose
• B.     starch
• C.    monosaccharides
• D.    oligosaccharides
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• Answer A
• 47MCQ: Monosaccharides (simple sugars) have
• A.    oxidizing nature
• B.     reducing nature
• C.    redox nature
• D.    neutralizing nature
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• Answer B
• 48MCQ: Which of the following causes a feeling of pressure inside the head when taken in excess amount?
• A.    vitamin A
• B.     vitamin B
• C.    vitamin C
• D.    vitamin D
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• Answer A
• 49MCQ: What happens if water-soluble vitamins are taken in excess?
• A.    they cause harm
• B.     they are readily excreted from the body
• C.    they cause no harm
• D.    they are not excreted from the body
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• Answer B
• 50MCQ: Source of palmitic acid is
• A.    butter
• B.     palm oil
• C.    beef fat
• D.    olive oil
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• Answer B
• 51MCQ: Cotton is an example of pure
• A.    cellulose
• B.     sucrose
• C.    starch
• D.    cloth
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• Answer A 
• 52MCQ: Which of the following are long-chain carboxylic acids?
• A.    fats
• B.     oils
• C.    proteins
• D.    fatty acids
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• Answer D
• 53MCQ: Which of the following is not true about RNA?
• A.    it is synthesized by DNA
• B.     it has deoxyribose sugar
• C.    it has single strand
• D.    it is responsible for directing synthesis of new proteins
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• Answer B
• 54MCQ: The human body can synthesize only
• A.    12 amino acids
• B.     10 amino acids
• C.    15 amino acids
• D.    5 amino acids
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• Answer B
• 55MCQ: What is the term used for the linkage which joins two amino acid units?
• A.  amino group
• B.     carboxyl group
• C.    peptide bond
• D.    dipeptide
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• Answer D 
• 56MCQ: Which of the following is required for the formation of blood?
• A.    vitamin A
• B.     vitamin B
• C.    vitamin C
• D.    vitamin D
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• Answer C
• 57MCQ: Which of the following acts as a thermal insulator in mammals?
• A.    skin
• B.     fat
• C.    lipids
• D.    proteins
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• Answer B
• 58MCQ: Proteins that catalyze specific biological reactions without which life would be impossible are called
• A.    gelatin
• B.     enzymes
• C.    amylase
• D.    lactase
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• Answer B
• 59MCQ: The linkage which joins two amino acid units is called
• A.    peptide bond
• B.     covalent bond
• C.    ionic bond
• D.    hydrogen bond
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• AnswerA
• 60MCQ: If a lipid is liquefied at room temperature, it is called
• A.    fat
• B.     oil
• C.    proteins
• D.    ghee
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• Answer B
• 61MCQ: Which of the following is added to fruit juices and flavored drinks to prevent scurvy and elimination of rickets?
• A.    vitamin A
• B.     vitamin B
• C.    vitamin C
• D.    vitamin D
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• Answer C
• 62MCQ: Which of the following is not true about polysaccharides?
• A.    they are amorphous solids
• B.     they are tasteless
• C.    they are insoluble in water
• D.    they are reducing in nature
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• Answer D
• 63MCQ: Which  of the following keeps the cornea moist?
• A.    vitamin A
• B.     vitamin B
• C.    vitamin C
• D.    vitamin D
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• Answer D
• 64MCQ: The resulting molecule after joining two amino acid units is called a/an
• A.    amino group
• B.     carboxyl group
• C.    peptide bond
• D.    dipeptide
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• Answer D
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• 65MCQ: Which of the following is required for the formation of blood?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer C
• Answer B
• MCQ66: Which of the following is added to fruit juices and flavored drinks to prevent scurvy and elimination of rickets?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer C
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• MCQ67: Which of the following keeps the cornea moist?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer  A
• MCQ68: The fat-soluble vitamin is
• A.    vitamin B
• B.     vitamin C
• C.     vitamin D
• D.    vitamin F
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• Answer C
• MCQ70: Vitamin C is necessary for
• A.    eyes and skin
• B.     energy production in cells
• C.     healing wounds and preventing colds
• D.    bones and teeth
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• Answer C
• MCQ71: Vitamin K is necessary for
• A.    eyes and skin
• B.     energy production in cells
• C.     antioxidant
• D.    blood clotting
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• Answer  D
• MCQ72: Which of the following helps in the chemical transmission of images from the eye to the brain?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer  A
• MCQ73: Maltose is obtained from
• A.    sugarcane
• B.     fruits
• C.     cereals
• D.    plants
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• Answer C
• MCQ74: By the help of fermentation, starch is converted to
• A.    rectified spirit
• B.     dextrin
• C.     cellulose
• D.    sucrose
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• Answer  A
• MCQ75: Which of the following is used in infant foods?
• A.    protease
• B.     amylase
• C.     diastase
• D.    lactase
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• Answer D
• MCQ76: Delayed blood clotting is caused by the deficiency of
• A.    vitamin E
• B.     vitamin K
• C.     vitamin C
• D.    vitamin D
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• Answer B
• MCQ77: Which of the following regulates blood calcium?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer  D
• MCQ78: Which of the following helps to regulate nerve impulse transmissions?
• A.    vitamin A
• B.     vitamin B
• C.     vitamin C
• D.    vitamin D
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• Answer B
• MCQ79: Which of the following are called building blocks of all proteins?
• A.    vitamins
• B.     amines
• C.     lipids
• D.    amino acids
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• Answer D
• MCQ80: Vitamin C is soluble in
• A.    fat
• B.     water
• C.     ethers
• D.    phenols
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• Answer  B
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• By Shailesh gupta
• from- Chhatisgarh 
• Thank You  All Viewers........