Biochemistry is the study of the chemical processes and substances that occur within living organisms. It focuses on molecules like proteins, lipids, carbohydrates, and nucleic acids, essential for understanding metabolism, cell functions, and disease mechanisms.
Chemistry chapter 5 10th class Notes
Vitamin are accessory Growth factors they play important role in our body like: Regulate metabolism
Glucose and fructose are: hexoses
Which carbohydrate is used directly by muscles for energy: Glucose
Deficiency of Vitamin E causes: Anemia in babies
Enzymes are proteins which have the following properties except: They are highly non-spcific
Photosynthesis process produces: Glucose
Protein is not found in: Cotton
Which one of the following is crystalline solid: Glucose
The percentage of protein in dry weight of cell: 50%
Cause of Night blindness is: Deficiency of vitamin A
Chemical formula of Stearic acid: C17H35COOH
50% dextrose contains approximate amount of energy: 170 calories
Eggs oils and fats contain vitamin: A
General formula of carbohydrates is: Cn(H2O)6
Which is the natural sugar found in starchy food: Dextrose
RNA consists of: Ribos
Which one is a pentahydroxy ketone: fructose
Which of the followings is a disaccharide: Sucrose
These are safe source of food and energy for body during emergency: Lipids
Number of vitamins in vitamin B complex is: 10
Lipids are macromolecules made up of: Fetty acids
In hydrogenation of vegetable oil catalyst employed is: Ni
Amino acid are the building blocks of: Proteins
Which one is the simplest sugar which can not be hydrolyzed: Proteins
Which one is the simplest sugar which can not be hydrolyzed: 200oC
Tetra saccharides are classified under: Oligosaccharides
Monosaccharide consists of number of carbon atoms: 3 to 9
Alkenes are produced in large amounts by cracking of: Petroleum
On hydrolysis sucrose produces one unit of glucose and one unit of: Fructose
How many percentage of protein is present in dry weight of animal: More then 50%
Which is disaccharide: Sucrose
Rickets disease is caused by the deficiency of: Vitamin D
Which one is triglyceride: Lipids
Ethyl butanoate smells like: Pine apple
The body reactions are catalized by: Enzymes
Which helps in lowering of cholesterol level: Fiber
When glucose and fructose combine they produc: Sucrose
The most important disaccharide is: Sucrose
Which one of the following cannot by hydrolyzed: Monosacchrides
Photosynthesis process produce: Glucose and oxygen
Out of twenty how many amino acids can by synthesized by human body: Ten
Which disease cause by deficiency of vitamin D: Rickets
The accumulation of which vitamin causes bone like deposits in the kidney: Vitamin D
Methyl butanoate smells like: an apple
Methyl butanoate smell like: Apple
Glucose and fructose are: Hexoses
When glucose and fructose combine and forms: Sucrose
Which of the following is reducing sugar: Glucose
Which are responsible for transmitting genetic information form generation to generation: lipids
Which protect our muscles from cramping: Carbohydrats
Night blindness is because of deficiency of: Vitamin A
Which part of digestive system glucose absorb: Small intestine
Which one of the following statements about glucose and sucrose is incorrect: Disaccharides
Which one of these protects us against the disease: Proteins
Which one of the following is testeless: Starch
The general formula of carbohydrate is: CN(H2O)n
Maltose is commonly found in: Cereal
Thousand of amino acids polymerize to form: Lipids
Chemical formula of amino group is: NH2
Which one of the following is non- reducing in nature: starch
Which one the following is more reactive: Acetylene
Which one of the following is not the characteristics of monosaccharide: Hydrolysable
Glucose is: Hexabydroxy aldehyde
Which of the following is tasteless: Starch
Which is Pentahydroxy aldehydes of the following: Glucose
Which vitamin is soluble in water: Vitamin C
DNA was discovered by: J .Watson
Triglycerides are fatty acids: Unsaturated
Human body uses carbohydrates in the form of: Glucose
Which is the essential sugar found in milk: Lactose
The most important oligosaccharide is: Sucrose
Synthesis of protein is directed by: RNA
Low sugar level in human body result in: Hypoglycemia
Eye inflammation is caused by the deficiency of vitamin: Vitamin A
Which is a hereditary material: DNA
The organic compound used as drugs to control bleeding are: Proteins
Smell of rancid butter is due to the presence of: Butanoic acid
Lactose and maltose are: disaccharides
Gelatin protein is found in: Bones
General formula of carbohydrate is:Cn(H2O)6
Carbohydrates are synthesized by plants through: Photosynthesis
Fructose contain group: Ketone
Plants produces by the photosynthesis process: Glucose
Runcid butter has: Foul smell
Molecular formula of stearic acid is. C12H15COOH
Pentahydroxy ketone is called as: Fructose
Lipids are macromolecules. They have characteristics except one of the following: They are soluble in water.
Dextrose is a crystallized: glucose
Essential components of every living all are: Nucleic acids
Carbohydrates are synthesized by plants through photosynthesis process which requires the following except: O2
Hypoglycemia result due to: low sugar level in body
Which help to keep the bowel functioning property: Dietary fiber
Which one of the following are amorphous solids: Polysaccharides
Vitamin B1 (Thiamin) was discovered by: Funk
The nature of enzyme is: Protein
Monosaccharides are crystalline solids: White
Enzymes are chemically: proteins
Which diseases cause by the deficiency of vitamin E: Anemia in babies
Important : Review all previous years’ 10 class past papers for comprehensive practice and better exam preparation.