fbpx

Chemistry Class 10 Chapter 5


Updated: 14 Dec 2023

944


Chemistry Class 10 Chapter 5 introduces the concept of “Biochemistry”. This is mainly chapter No. 13, “Biochemistry”, of the book of Class 10.
This article consists of Notes, SLO Based Notes and MCQs of chemistry, which cover your course, board papers and clear your chemistry concept for different types of tests.

Chemistry Class 10 Chapter 5 Notes

Biochemistry

icon

Chemistry Class 10 Chapter No. 13 Notes

Download Chapter No. 13 Notes

SLO Base Questions

icon

Chemistry Class 10 Chapter No. 13 SLO Questions

Download Chapter No. 13 SLO Questions

Chemistry Class 10 Chapter 4 MCQs

1. ____________is the study of organic compounds and reactions that occur in living organisms.
(a) Biochemistry
(b) Environmental chemistry
(c) Nuclear Chemistry
(d) None of these
Show Answer

Biochemistry


2. The bodies of living things are made of chemical ______________.
(a) Isotopes
(b) elements
(c) Radicals
(d) None of these
Show Answer

elements


3. The most common elements in living organisms are carbon, hydrogen, nitrogen and ______________.
(a) Oxygen
(b) Phosphorus
(c) Sulpher
(d) All of these
Show Answer

All of these


4. The chemical analysis of ___________shows that it is composed of two types of compound i.e. organic & inorganic.
(a) Protoplasm
(b) Amoeba
(c) Golgi bodies
(d) Micro organisms
Show Answer

Protoplasm


5. The biological organic compound consists of carbohydrates, proteins and _______________.
(a) Lipids
(b) Nucleic acid
(c) Vitamins
(d) All of these
Show Answer

All of these

To Download Complete Notes of Chemistry Notes 10 Class, Click on the given link.

6. Carbohydrates are ____________compound composed of carbon, hydrogen and oxygen.
(a) Inorganic
(b) organic
(c) Both
(d) None
Show Answer

organic


7. The ratio of carbon, hydrogen and oxygen in carbohydrates is ________________.
(a) 1: 2: 1
(b) 2: 1: 1
(c) 1: 1: 2
(d) 1: 1: 3
Show Answer

1: 2: 1


8. Sometimes carbohydrates also contain __________________.
(a) Nitrogen
(b) Sulpher
(c) Sodium
(d) Both (a) and (b)
Show Answer

Both (a) and (b)


9. Nitrogen is present in ___________.
(a) Chitin
(b) Keratin
(c) Starch
(d) None of these
Show Answer

Chitin


10. Sulpher is present in ____________________.
(a) Chitin
(b) Keratin
(c) Starch
(d) None of these
Show Answer

Keratin


11. Glucose is present in _________________.
(a) Grape sugar
(b) Potato
(c) Honey
(d) All of these
Show Answer

Grape sugar


12. Fructose is present in ___________________.
(a) Grape sugar
(b) Potato
(c) Honey
(d) None of these
Show Answer

Honey


13. ___________is present in sugar cane.
(a) Glucose
(b) Sucrose
(c) Starch
(d) None of these
Show Answer

Sucrose


14. Starch is present in ____________________.
(a) Potatoes
(b) Wheat
(c) Oats
(d) None of these
Show Answer

Potatoes


15. Cellulose is present in _________________.
(a) Potatoes
(b) Wood
(c) Biscuit
(d) None of these
Show Answer

Wood


16. Carbohydrates have the general formula of _______________.
(a) C_n(H_2O)_n
(b) C_nH_{2n}
(c) C_nH_{2n-2}
(d) None of these
Show Answer

C_n(H_2O)_n


17. According to modern definition, carbohydrates are _______of polyhydroxyaldehydes or Ketones.
(a) Micromolecules
(b) Intermediate
(c) Macromolecules
(d) None of these
Show Answer

Macromolecules


18. Carbohydrates are usually referred as ________________.
(a) saccharide
(b) Alloys
(c) Saturated solution
(d) None of these
Show Answer

saccharide


19. Saccharide is derived from a Latin word “saccharum” which means.__________.
(a) Salt
(b) sugar
(c) Fog
(d) Grean
Show Answer

sugar


20. Carbohydrates are divided into _______main class .
(a) One
(b) Two
(c) three
(d) Four
Show Answer

three


21. __________is the simplest sugar and the most basic unit of carbohydrates.
(a) Monosaccharide
(b) Oligosaccharide
(c) Poly saccharide
(d) None of these
Show Answer

Monosaccharide


22. Monosaccharides ________further hydrolyzed into simple sugar.
(a) Can be
(b) May be
(c) Cannot be
(d) None of these
Show Answer

Cannot be


23. The general formula of monosacharides are __________________.
(a) C_nH_{2n}
(b) C_n(H_2O)_n
(c) C_nH_{2n-2}
(d) None of these
Show Answer

C_n(H_2O)_n


24. A monosaccharide consist of ___________carbon atoms.
(a) 3-9
(b) 1-9
(c) 1-3
(d) 1-6
Show Answer

3-9


25. _________is a monosaccharide consist of three carbon atom.
(a) triose
(b) Tetrose
(c) Pentose
(d) Hexose
Show Answer

triose


26. A monosaccharide consist of 4 carbon atom are called_____________.
(a) Triose
(b) Tetrose
(c) Pentose
(d) hexose
Show Answer

Tetrose


27. A monosaccharide consist of 5 carbon atoms are called________.
(a) Triose
(b) Tetrose
(c) Pentose
(d) Hexose
Show Answer

Pentose


28. A monosaccharide consist of 6 carbon atoms are called _______.
(a) Triose
(b) Tetrose
(c) Pentose
(d) Hexose
Show Answer

Hexose


29. The most important manosaccharides are__________________.
(a) Glucose
(b) Fructose
(c) Starch
(d) Both (a) and (b)
Show Answer

Both (a) and (b)


30. The glucose and fructose are hexoses and have the same molecular fomula___________.
(a) C_6H_{12}O_6
(b) C_5H_{10}O_5
(c) C_4H_8O_4
(d) C_3H_6O_3
Show Answer

C_6H_{12}O_6


31. Glucose is a pentahydroxy______________.
(a) Ketone
(b) aldehyde
(c) Carboxyl
(d) Alcohol
Show Answer

aldehyde


32. Fructose is a pentahydroxy_________________.
(a) Ketone
(b) Aldehyde
(c) Carboxyl
(d) Alcohol
Show Answer

Ketone


33. Monosaccharide molecules can rotate the plane polarized light to ___________.
(a) Upside down
(b) Clockwise
(c) Anticlock wise
(d) None of these
Show Answer

Clockwise


34. Monosaccharides are _________in nature.
(a) Reducing
(b) Oxidizing
(c) delocalizing
(d) None of these
Show Answer

Reducing


35. Most monosaccharides have a __________taste.
(a) Sour
(b) sweet
(c) Bitter
(d) None of these
Show Answer

sweet


36. Which of the following is the sweetest carbohydrate?
(a) Fructose
(b) Starch
(c) Glucose
(d) Cellulose
Show Answer

Fructose


37. Monosaccharides are usually colourless _______solids at room temperature.
(a) Anorphous
(b) Crystalline
(c) None
(d) All of these
Show Answer

Crystalline


38. Monosaccharides are completely __________in water.
(a) Semi soluble
(b) Unsoluble
(c) soluble
(d) None of these
Show Answer

soluble


39. Carbohydrates which on hydrolysis give 2 to 9 molecules of monosaccharides are called ___________.
(a) Monosaccharide
(b) Oligosaccharide
(c) Polysaccharide
(d) None of these
Show Answer

Oligosaccharide


40 The type of oligosaccharides are called_______________.
(a) Disaccharide
(b) Trisaccharide
(c) Tetrasaccharide
(d) None of these
Show Answer

Disaccharide


41. The type of oligosaccharide which contain three 3 monosaccharide unit are called.__________.
(a) Disaccharide
(b) trisaccharide
(c) Tetrasaccharide
(d) None of these
Show Answer

trisaccharide


42. The type of oligosaccharide that contain five(5) simple sugars are called_______________.
(a) Pentasaccharide
(b) Hexasaccharide
(c) Heptasaccharide
(d) None of these
Show Answer

Pentasaccharide


43. Oligosaccharides are _________in taste.
(a) sweet
(b) Bitter
(c) Sour
(d) None of these
Show Answer

sweet


44. Oligosaccharides are white crystalline _______that are easily soluble in water.
(a) Gases
(b) Liquids
(c) solid
(d) None of these
Show Answer

solid


45. The most important member of oligosaccharides is ________________.
(a) Pentasaccharide
(b) disaccharide
(c) Heptasaccharide
(d) None of these
Show Answer

disaccharide


46. Sucrose on hydrolysis produces two molecules i.e glucose and _____________.
(a) Fructose
(b) Galoctose
(c) Glucose
(d) None of these
Show Answer

Fructose


47. Lactose on hydrolysis gives two molecules i.e glucose and _____________.
(a) Fructose
(b) Galactose
(c) Glucose
(d) None of these
Show Answer

Galactose


48. Maltose on hydrolysis gives two molecules i.e glucose and ____________.
(a) Fructose
(b) Galactose
(c) Glucose
(d) None of these
Show Answer

Glucose


49. The molecular formula of sucrose is _________________.
(a) C_{12}H_{22}O_{11}
(b) C_{12}H_{22}O_{12}
(c) C_{12}H_{20}O_{11}
(d) None of these
Show Answer

C_{12}H_{22}O_{11}


50. A ________linkage is the link or bond between the rings in an oligosaccharide or polysaccharide.
(a) Peptide
(b) Glycosidic
(c) Covalent
(d) None of these
Show Answer

Glycosidic


51. Carbohydrates which consist of long chains of monosaccharide units bond together by glycosidic linkages are called ________________.
(a) Polysacharide
(b) Oligosaccharide
(c) Monosaccharide
(d) None of these
Show Answer

Polysacharide


52. Polysaccharides are also known as ___________________.
(a) Micromolecules
(b) macromolecules
(c) Both
(d) None of these
Show Answer

macromolecules


53. Starch, glycogen and cellulose are the examples of _____________.
(a) Monosaccharide
(b) Oligosaccharide
(c) polysaccharide
(d) None of these
Show Answer

polysaccharide


54. Polysaccharides are ______________solids.
(a) Amorphous
(b) Crystalline
(c) Metallic
(d) None of these
Show Answer

Amorphous


55. They are tasteless and _________in water.
(a) Soluble
(b) Semi-soluble
(c) Insoluble
(d) None of these
Show Answer

Insoluble


56. Polysaccharides are also called_________________.
(a) Sugar
(b) Non-sugar
(c) Salts
(d) None of these
Show Answer

Non-sugar


57. Polysaccharides have high molecular mass and consist of _________monosaccharide units joined together by glycosidic linkages.
(a) 1 or more
(b) 9 or more
(c) 100 or more
(d) None of these
Show Answer

100 or more


58. Carbohydrates are the most abundant class of ________containing compounds.
(a) C, H, O
(b) C, N, S
(c) C, K, Si
(d) None of these
Show Answer

C, H, O


59. The sources of monosaccharaides are _______________.
(a) Fruits
(b) Vegetables
(c) Cereal
(d) All of these
Show Answer

All of these


60 Sucrose, lactose and maltose are the sources of sugarcane, fruits, milk and cereals. They are __________.
(a) disaccharides
(b) Trisaccharides
(c) Tetrasaccharides
(d) None of these
Show Answer

disaccharides


61 Cotton is the main example of ___________________.
(a) Starch
(b) Glycogen
(c) cellulose
(d) None of these
Show Answer

cellulose


62. ____________is found in potatoes, wheat, rice, barley etc.
(a) Starch
(b) Glycogen
(c) Cellulose
(d) None of these
Show Answer

Starch


63. Carbohydrates are used by our body as a rich source of ________________.
(a) Strength
(b) energy
(c) Heat
(d) Eat
Show Answer

energy


64. Sugar is used as a common ___________for food.
(a) Sweetener
(b) Catalyst
(c) Reagent
(d) None of these
Show Answer

Sweetener


65. Cellulose helps in lowering cholesterol and regulates_____________.
(a) Heart rate
(b) Blood pressure
(c) Pulse rate
(d) None of these
Show Answer

Blood pressure


66. ____________is used in cotton industry for making clothes.
(a) Cellulose
(b) Starch
(c) Fructose
(d) None of these
Show Answer

Cellulose


67. Constipation and diarrhea are mainly controlled by fibres which are _____________.
(a) Proteins
(b) Vitamins
(c) Carbohydrates
(d) None of these
Show Answer

Carbohydrates


68. The name protein is derived from a ________word “proteios” which means “of prime importance”.
(a) Greek
(b) Persian
(c) Latin
(d) None of these
Show Answer

Greek


69. Proteins are the biopolymers of ___________.
(a) Monosaccharides
(b) Amino acids
(c) Nucleaticles
(d) None of these
Show Answer

Amino acids


70. The highly complex nitrogenous substances that are made up of amino acids present in all living organisms are called_____________.
(a) Proteins
(b) Vitamins
(c) Nucleic acids
(d) None of these
Show Answer

Proteins


71. Proteins are the major component of ________and essential for growth and maintenance of life.
(a) Tissues
(b) Chromosomes
(c) Cell
(d) None of these
Show Answer

Cell


72. About ______of the dry weight of the cell is made up of proteins.
(a) 10 — 40 %
(b) 50 – 55 %
(c) 70 — 90 %
(d) 80 – 100 %
Show Answer

50 – 55 %


73. ________are the building blocks of proteins .
(a) Amino Acid
(b) Simple sugar
(c) Nucleotides
(d) None of these
Show Answer

Amino Acid


74. Amino acids joined together by ________linkage to form high molecular mass polymers.
(a) Glycosidic
(b) Nuleophilic
(c) Peptide
(d) None of these
Show Answer

Peptide


75. Protein produces aminoacids on ___________.
(a) Oxidation
(b) hydrolysis
(c) Reduction
(d) None of these
Show Answer

hydrolysis


76. The examples of proteins are ____________.
(a) Keratin
(b) Albumin
(c) Legumin
(d) All of these
Show Answer

All of these


77. All proteins contain _________essential elements.
(a) 4
(b) 8
(c) 3
(d) 7
Show Answer

4


78. The four essential elements of _________are carbon, hydrogen, oxygen and nitrogen.
(a) Carbohydrates
(b) proteins
(c) Lipids
(d) None of these
Show Answer

proteins


79. Most proteins also contain some___________.
(a) Sulphur
(b) Argon
(c) Sodium
(d) None of these
Show Answer

Sulphur


80. Amino acids are organic compounds consisting ________groups.
(a) Amino (NH_2)
(b) Carboxyl (COOH)
(c) Alkyl
(d) All of these
Show Answer

All of these


81. There are _______different types of amino acids that are involved in protein synthesis.
(a) 50
(b) 40
(c) 30
(d) 20
Show Answer

20


82. Our body can prepare _________ amino acids which are called non-essential amino acids.
(a) 5
(b) 8
(c) 10
(d) 14
Show Answer

10


83. Our body cannot prepare ten amino acids which are called _______amino acids.
(a) Essential
(b) Non-essential
(c) None
(d) All of these
Show Answer

Essential


84. The linkage which joins carboxyl carbon of one amino acid with an amino group of another aminoacid, forming the sequence CONH, is called ________linkage.
(a) Glycosidic
(b) Peptide
(c) Dative
(d) None of these
Show Answer

Peptide


85. In protein molecules, __________ types of bonding may occur.
(a) One
(b) Two
(c) Three
(d) None of these
Show Answer

Three


86. The various amino acids differ in _______groups.
(a) Alkyl
(b) Alcohol
(c) Carboxyl
(d) None of these
Show Answer

Alkyl


87. Proteins molecules can be ____________.
(a) Fibrous
(b) Globular
(c) Both (a) and (b)
(d) None of these
Show Answer

Both (a) and (b)


88. Fish, meat, eggs, milk, cheese etc are the _______source of proteins.
(a) Plants
(b) animal
(c) None
(d) All of these
Show Answer

animal


89. Pulses and beans etc are the ______sources of proteins.
(a) Plant
(b) Animal
(c) None of these
(d) All of these
Show Answer

Plant


90. Which proteins performed the function of catalyst in our body?
(a) Hormones
(b) enzymes
(c) Collogens
(d) None of these
Show Answer

enzymes


91. ________performs the function of transportation in blood.
(a) RBCs
(b) Platelets
(c) WBCs
(d) Hemoglobin
Show Answer

Hemoglobin


92. Proteins are essential for _________growth especially in children.
(a) Physical
(b) Mental
(c) Both
(d) None of these
Show Answer

Both


93. The antibodies that helps us to fight against diseases are large ____________molecules.
(a) Lipids
(b) Proteins
(c) Nucleotides
(d) None of these
Show Answer

Proteins


94. A protein called gelatin is used as____________.
(a) Bakery item
(b) Cooking item
(c) Washing item
(d) All of these
Show Answer

Bakery item


95. The term lipid is derived from a Greek word____________which means “fats”.
(a) Lipose
(b) Lipase
(c) Lipdos
(d) None of these
Show Answer

Lipose


96. ______are biological molecules obtained from plant and animal tissues. They are not soluble in water, but soluble non-polar organic solvents like alcohol, ether etc.
(a) Proteins
(b) Vitamins
(c) Lipids
(d) None of these
Show Answer

Lipids


97. Fats and oils, steroids, sex hormones, phospholipids, vitamins and waxes etc are the types of _______.
(a) Nucleic acids
(b) Lipids
(c) Carbohydrates
(d) Proteins
Show Answer

Lipids


98. There are _______main types of lipids.
(a) Two
(b) Four
(c) Five
(d) Eight
Show Answer

Two


99. The lipids which produce fatty acids and alcohols upon hydrolysis are called ______lipids.
(a) Simple
(b) Complex
(c) None
(d) All of these
Show Answer

Simple


100. Simple lipids are also called_______________.
(a) Glycerides
(b) Nucleotides
(c) Triglycerides
(d) None of these
Show Answer

Triglycerides


101. The example of simple lipid is _____________.
(a) Fats
(b) Oils
(c) Waxes
(d) All of these
Show Answer

All of these


102. Those lipids which produce fatty acids, alcohols and some other substances upon hydrolysis are called _____lipid.
(a) Simple
(b) Complex
(c) None
(d) All of these
Show Answer

Complex


103. The example of complex lipid is _______________.
(a) Phospholipids
(b) Glycolipids
(c) Sulpholipids
(d) All of these
Show Answer

All of these


104. Generally lipids are _______of long chain fatty acids & alcohols.
(a) esters
(b) Ether
(c) Amines
(d) None of these
Show Answer

esters


105. These esters are made up of ______fatty acids; therefore, they are called triglycerides.
(a) One
(b) Two
(c) three
(d) None of these
Show Answer

three


106. Fatty acids and alcohols are the building blocks of __________.
(a) Proteins
(b) DNA
(c) lipids
(d) All of these
Show Answer

lipids


107. What is the example of polyunsaturated fatty acid?
(a) Wax
(b) Stearic acid
(c) Phospholipids
(d) None of these
Show Answer

Stearic acid


108. What is the molecular formula for stearic acid?
(a) C_3H_7COOH
(b) C_{17}H_{35}COOH
(c) C_5H_{11}COOH
(d) None of these
Show Answer

C_{17}H_{35}COOH


109. Those triglycerides in which long chain saturated fatty acid components predominate tends to be solid or semi –solid at room temperature is called
(a) Fats
(b) Oil
(c) Waxes
(d) None of these
Show Answer

Fats


110. Fats are mainlypresent in——–.
(a) Plants
(b) Animals
(c) Microorganisms
(d) None of these
Show Answer

Animals


111. The example of fats is ——– .
(a) Palmitic acid
(b) Oleic acid
(c) Acetic acid
(d) None of these
Show Answer

Palmitic acid


112. The glycerol esters which contain higher proportion of unsaturated fatty acid component which make them liquid at room temperature is called —–
(a) Faths
(b) Oil
(c) Waxes
(d) None of these
Show Answer

Oil


113. Oil are mainly present in ——and in fish .
(a) Plants
(b) Animals
(c) Microorganisms
(d) None of these
Show Answer

Plants


114. The example of oil is ——–
(a) Palmitic acid
(b) Oleic acid
(c) Alcohols
(d) None of these
Show Answer

Oleic acid


115. By catalytic ——-polyunsaturated oils can be reduced to saturated solid fat (ghee) which make them solids at room temperature .
(a) Hydrogenation
(b) Reduction
(c) Sulphonation
(d) None of these
Show Answer

Hydrogenation


116. Milk is a rich source of animal fat from which ——obtains.
(a) Butter
(b) Ghee
(c) Chees
(d) All of these
Show Answer

All of these


117. Seeds and many plants such as sunflower ,corn, cotton,peanut , ground nut ,walnut ,coconut etcaer a good sources of ———oils.
(a) Terpentine
(b) Vegetable
(c) Fish
(d) None of these
Show Answer

Vegetable


118. The most important function of lipid is the long term ——of energy .
(a) Storage
(b) Shortage
(c) Wastage
(d) None of these
Show Answer

Storage


119. The energy producedby carbohydrates is ——–.
(a) 1 \ Kcal/g
(b) 9 \ kcal/g
(c) 4 \ kcal/g
(d) 5 \ kcal/g
Show Answer

4 \ kcal/g


120. The energy producedby lipidsis ——-.
(a) 1 \ Kcal/g
(b) 9 \ kcal/g
(c) 4 \ kcal/g
(d) 7 \ kcal/g
Show Answer

9 \ kcal/g


121. The energy produced by protein is _____________.
(a) 1 \ kcal/g
(b) 9 \ kcal/g
(c) 4 \ kcal/g
(d) None of these
Show Answer

4 \ kcal/g


122. Who discovered the nucleic acids?
(a) Friedrich Miescher
(b) Neil bohr
(c) Max Plank
(d) None of these
Show Answer

Friedrich Miescher


123. Nucleic acids were first discovered in the nuclei of ___________in 1868.
(a) RBCs
(b) WBCs
(c) Platelets
(d) None of these
Show Answer

WBCs


124. Nucleic acid were also discovered in sperm head in ______________.
(a) 1872
(b) 1922
(c) 1876
(d) 1982
Show Answer

1872


125. _____________are found in every living cell as well as in viruses and have been found to be the the essential component of genes. Their structure contains blueprints of normal growth and development of each and every living thing.
(a) Vitamins
(b) Proteins
(c) Nucleic Acids
(d) None of these
Show Answer

Nucleic Acids


126. Nucleic acids are the complex bio-molecules composed of units called_______________.
(a) Simple sugars
(b) Nucleotides
(c) Fatty acids
(d) None of these
Show Answer

Nucleotides


127. A Nucleotide contain deoxyribose and ribose sugar and different types of nitrogenous bases and _____group .
(a) phosphate
(b) Nitrate
(c) Carbonate
(d) Sodium
Show Answer

phosphate


128. DNA is called deoxyribo nucleic acid because it _____sugar.
(a) Ribose
(b) deoxyribose
(c) None
(d) All of these
Show Answer

deoxyribose


129. The structure of DNA was discovered by Watson and Crick in _________.
(a) 1953
(b) 1957
(c) 1961
(d) 1965
Show Answer

1953


130. DNA exists in the form of two polynucleotide chains twisted around each other in a spiral formation called a ______________.
(a) Single helix
(b) Double helix
(c) Double strand
(d) None of these
Show Answer

Double helix


131. The order of the base pairs in a strand is a code that store information, which is used to produce__________.
(a) Vitamins
(b) Lipids
(c) proteins
(d) None of these
Show Answer

proteins


132. _____________has the ability to reproduce, store and transmit genetic information from generation to generation.
(a) DNA
(b) RNA
(c) Chromosomes
(d) None of these
Show Answer

DNA


133. The genetic information for the cell are contained the form of specific ______in DNA molecules.
(a) Genere
(b) codes
(c) Alphabets
(d) None of these
Show Answer

codes


134. DNA instructs how to synthesize a particular protein from ___________.
(a) Amino acids
(b) Nucleotides
(c) Fatty acids
(d) None of these
Show Answer

Amino acids


135. ___________is a sudden chemical change in DNA molecule that could lead to the synthesis of protein with an alter amino acid sequence.
(a) Meiosis
(b) Mutation
(c) Mitosis
(d) Meiosis
Show Answer

Mutation


136. ____________is responsible for directing the synthesis of protein.
(a) RNA
(b) DNA
(c) Enzymes
(d) None of these
Show Answer

RNA


137. The name vitamin was originally __________________.
(a) Vital
(b) Amine
(c) Vitamin
(d) None of these
Show Answer

Vitamin


138. __________are organic compounds that cannot be synthesized by an organism but are very essential for the maintenance of normal metabolism but are very essential for the maintenance of normal metabolism and therefore must be included in the diet.
(a) Vitamins
(b) Minerals
(c) Lipids
(d) Proteins
Show Answer

Vitamins


139. There are _________main types of vitamins.
(a) One
(b) Two
(c) Three
(d) Four
Show Answer

Two


140. The vitamins which dissolve in fats are called ____________vitamins.
(a) Fat soluble
(b) Water soluble
(c) None of these
(d) All of these
Show Answer

Fat soluble


141. What is the example of fat soluble vitamin?
(a) Vitamin C
(b) Folic acid
(c) Vitamin D
(d) None of these
Show Answer

Vitamin D


142. The vitamins which dissolve in water are called ___________vitamins.
(a) Fat soluble
(b) Water soluble
(c) None
(d) All of these
Show Answer

Water soluble


143. What is the example of fat soluble vitamin?
(a) B-Complex
(b) Vitamin K
(c) Vitamin D
(d) None of these
Show Answer

B-Complex


144. Vitamin C is a __________vitamin.
(a) Fat soluble
(b) Water Soluble
(c) Both
(d) None of these
Show Answer

Water Soluble


145. Vitamin C is also called ____________.
(a) Ascorbic acid
(b) Biotin
(c) Folic acid
(d) None of these
Show Answer

Ascorbic acid


146. Vitamin C is necessary for the formation of ____________.
(a) Respiration
(b) Blood
(c) Hemoglobin
(d) None of these
Show Answer

Blood


147. Vitamin A is important for _______________.
(a) Storage
(b) Sweating
(c) vision
(d) None of these
Show Answer

vision


148. ______________helps to regulate nerve impulse transmissions.
(a) Vitamin B
(b) Vitamin C
(c) Vitamin A
(d) Vitamin K
Show Answer

Vitamin B


149. Deficiency of _____________result in inflammation and irritation of corner of mouth and cracks in lips.
(a) Vitamin B_1
(b) Vitamin B_6
(c) Vitamin B_{12}
(d) Vitamin B_{24}
Show Answer

Vitamin B_{12}


150. Plants convert glucose into
(a) Amino acids
(b) Lipids
(c) Proteins
(d) Starch
Show Answer

Starch


151. All are present in DNA except:
(a) Deoxyribose sugar
(b) Ribose sugar
(c) Nitrogen base
(d) Phosphate group
Show Answer

Ribose sugar


152. Which one of the following is a disaccharide?
(a) Glucose
(b) Fructose
(c) Sucrose
(d) Starch
Show Answer

Sucrose


153. A large number of amino acids polymerizes into
(a) Vitamins
(b) Carbohydrates
(c) Protein
(d) `Lipids
Show Answer

Protein


154. Glycogen is an example of
(a) Fats
(b) Nucleic acids
(c) Carbohydrates
(d) Proteins
Show Answer

Carbohydrates


155. Deficiency of vitamin A cause.
(a) Scurvy
(b) Rickets
(c) Night Blindness
(d) Aging
Show Answer

Night Blindness


156. The compound which is found in every living cell and serves as a center of information and control is
(a) Protein
(b) Amino acids
(c) DNA
(d) Glucose
Show Answer

DNA


157. Triglycerides are the building blocks of
(a) Protein
(b) Carbohydrates
(c) Lipids
(d) Vitamins
Show Answer

Lipids


158. Sugars are polyhydroxy derivative of
(a) Alkyl halides
(b) Aldehyde
(c) Ketone
(d) Aldehyde and ketone
Show Answer

Aldehyde and ketone


159. Peptide linkage is present in
(a) Carbohydrates
(b) Lipids
(c) Proteins
(d) Vitamins
Show Answer

Proteins


160. Plants convert glucose into.
(a) Amino acids
(b) Lipids
(c) Proteins
(d) Starch
Show Answer

Starch


160. All are present in DNA except.
(a) Deoxyribose sugar
(b) Ribose sugar
(c) Nitrogen base
(d) Phosphate Unit
Show Answer

Ribose sugar

Chemistry Class 10 MCQs (All Chapters)


Jawad Khan

Jawad Khan

Please Write Your Comments