Chapter 2: Biochemistry Chemistry Mcqs for High School - Grade 10 - Set 7

1)   1g of glucose (C6H12O6) provides energy

a. 10KJ
b. 160KJ
c. 160KJ
d. 80KJ
Answer  Explanation 

ANSWER: 160KJ

Explanation:
No explanation is available for this question!


2)   Which of the following is not included in the composition of lipids?

a. cholesterol
b. sex hormones
c. vitamins
d. amino acids
Answer  Explanation 

ANSWER: amino acids

Explanation:
No explanation is available for this question!


3)   Deficiency of vitamin B causes

a. night blindness
b. anemia and bleeding gums
c. scurvy
d. rickets and Osteomalacia
Answer  Explanation 

ANSWER: anemia and bleeding gums

Explanation:
No explanation is available for this question!


4)   A compound or substance produced by living organisms is called

a. hydrocarbon
b. organic compound
c. natural product
d. artificial product
Answer  Explanation 

ANSWER: natural product

Explanation:
No explanation is available for this question!


5)   Gelatin is used in the production of

a. industrial items
b. ropes
c. curry
d. bakery items
Answer  Explanation 

ANSWER: bakery items

Explanation:
No explanation is available for this question!


6)   The layer of fat under mammalian skin acts as an

a. electric insulator
b. thermal insulator
c. protection from germs
d. protection from viruses
Answer  Explanation 

ANSWER: thermal insulator

Explanation:
No explanation is available for this question!


7)   What is formed when sucrose undergoes hydrolysis?

a. glucose
b. glucose and fructose
c. glucose and galactose
d. glucose and glucose
Answer  Explanation 

ANSWER: glucose and fructose

Explanation:
No explanation is available for this question!


8)   Long-chain carboxylic acids are named as

a. lipids
b. fatty acids
c. phospholipids
d. cholesterol
Answer  Explanation 

ANSWER: fatty acids

Explanation:
No explanation is available for this question!


9)   Complex nitrogenous substances that produce amino acids on complete hydrolysis are called

a. proteins
b. vitamins
c. lipids
d. carbohydrates
Answer  Explanation 

ANSWER: proteins

Explanation:
No explanation is available for this question!


10)   A component of plant or animal tissue insoluble in water is called

a. protein
b. carbohydrate
c. vitamin
d. lipids
Answer  Explanation 

ANSWER: lipids

Explanation:
No explanation is available for this question!


11)   Sucrose, lactose, and maltose are

a. monosaccharides
b. oligosaccharides
c. polysaccharides
d. vitamins
Answer  Explanation 

ANSWER: oligosaccharides

Explanation:
No explanation is available for this question!


12)   Which of the following is used in bread making?

a. protease
b. amylase
c. diastase
d. lactase
Answer  Explanation 

ANSWER: amylase

Explanation:
No explanation is available for this question!


13)   Which of the following is present in cereals, wheat, barley, rice, maize, potato, sweet potato, etc.?

a. sucrose
b. glucose
c. fructose
d. starch
Answer  Explanation 

ANSWER: starch

Explanation:
No explanation is available for this question!


14)   On hydrolysis, all proteins produce

a. amines
b. peptide bonds
c. amino acids
d. dipeptide
Answer  Explanation 

ANSWER: amino acids

Explanation:
No explanation is available for this question!


15)   Deficiency of vitamin K causes

a. sterility
b. hemorrhage
c. scurvy
d. rickets and Osteomalacia
Answer  Explanation 

ANSWER: hemorrhage

Explanation:
No explanation is available for this question!


16)   Which of the following is converted to dextrin which is used as an adhesive for stamps and as wallpaper glue?

a. cellulose
b. starch
c. glucose
d. fructose
Answer  Explanation 

ANSWER: starch

Explanation:
No explanation is available for this question!


17)   Vitamin A is necessary for

a. eyes and skin
b. energy production in cells
c. healing wounds and preventing colds
d. bones and teeth
Answer  Explanation 

ANSWER: eyes and skin

Explanation:
No explanation is available for this question!


18)   Which of the following causes hard deposits in kidneys and joints when taken in excess amount?

a. vitamin A
b. vitamin B
c. vitamin C
d. vitamin D
Answer  Explanation 

ANSWER: vitamin D

Explanation:
No explanation is available for this question!


19)   Amino acids that can be synthesized by our bodies are called

a. essential amino acids
b. non-essential amino acids
c. peptide bonds
d. proteins
Answer  Explanation 

ANSWER: non-essential amino acids

Explanation:
No explanation is available for this question!


20)   A water-soluble vitamin Dissolves In

a. fat
b. water
c. alcohol
d. ether
Answer  Explanation 

ANSWER: water

Explanation:
No explanation is available for this question!