Forward from: Remedial Special Class
🦠Biology Mini-Test
👋multiple-choice questions on biochemical molecules:
1. Which of the following is NOT a macromolecule?
A) Carbohydrates
B) Lipids
C) Vitamins
D) Proteins
2. What is the monomer unit of proteins?
A) Nucleotides
B) Monosaccharides
C) Amino acids
D) Fatty acids
3. Which of the following is a polysaccharide?
A) Glucose
B) Starch
C) Fructose
D) Ribose
4. What type of bond connects amino acids in a protein?
A) Glycosidic bond
B) Peptide bond
C) Phosphodiester bond
D) Hydrogen bond
5. Which of the following is a reducing sugar?
A) Sucrose
B) Glucose
C) Cellulose
D) Starch
6. What is the primary function of nucleic acids?
A) Energy storage
B) Structural support
C) Catalyzing reactions
D) Storing and transmitting genetic information
7. Which of these lipids is the main component of cell membranes?
A) Steroids
B) Triglycerides
C) Phospholipids
D) Waxes
8. Which of the following elements is present in all proteins but not in carbohydrates or lipids?
A) Carbon
B) Hydrogen
C) Oxygen
D) Nitrogen
9. What type of molecule is ATP?
A) Carbohydrate
B) Nucleotide
C) Lipid
D) Protein
10. What is the function of enzymes in biochemical reactions?
A) They act as structural components
B) They lower activation energy
C) They provide energy for the reaction
D) They increase the temperature of the reaction
11. Which of these is a saturated fatty acid?
A) Oleic acid
B) Linoleic acid
C) Palmitic acid
D) Arachidonic acid
12. The sugar present in RNA is:
A) Glucose
B) Ribose
C) Deoxyribose
D) Fructose
13. Which vitamin is water-soluble?
A) Vitamin A
B) Vitamin D
C) Vitamin C
D) Vitamin K
14. Which of these molecules is a secondary messenger in cell signaling?
A) DNA
B) cAMP
C) Glucose
D) Glycogen
15. Hemoglobin is an example of what type of protein?
A) Structural
B) Transport
C) Enzyme
D) Hormone
✅Answer👇
1. C) Vitamins
2. C) Amino acids
3. B) Starch
4. B) Peptide bond
5. B) Glucose
6. D) Storing and transmitting genetic information
7. C) Phospholipids
8. D) Nitrogen
9. B) Nucleotide
10. B) They lower activation energy
11. C) Palmitic acid
12. B) Ribose
13. C) Vitamin C
14. B) cAMP
15. B) Transport
©️Remedial Special Class
👋multiple-choice questions on biochemical molecules:
1. Which of the following is NOT a macromolecule?
A) Carbohydrates
B) Lipids
C) Vitamins
D) Proteins
2. What is the monomer unit of proteins?
A) Nucleotides
B) Monosaccharides
C) Amino acids
D) Fatty acids
3. Which of the following is a polysaccharide?
A) Glucose
B) Starch
C) Fructose
D) Ribose
4. What type of bond connects amino acids in a protein?
A) Glycosidic bond
B) Peptide bond
C) Phosphodiester bond
D) Hydrogen bond
5. Which of the following is a reducing sugar?
A) Sucrose
B) Glucose
C) Cellulose
D) Starch
6. What is the primary function of nucleic acids?
A) Energy storage
B) Structural support
C) Catalyzing reactions
D) Storing and transmitting genetic information
7. Which of these lipids is the main component of cell membranes?
A) Steroids
B) Triglycerides
C) Phospholipids
D) Waxes
8. Which of the following elements is present in all proteins but not in carbohydrates or lipids?
A) Carbon
B) Hydrogen
C) Oxygen
D) Nitrogen
9. What type of molecule is ATP?
A) Carbohydrate
B) Nucleotide
C) Lipid
D) Protein
10. What is the function of enzymes in biochemical reactions?
A) They act as structural components
B) They lower activation energy
C) They provide energy for the reaction
D) They increase the temperature of the reaction
11. Which of these is a saturated fatty acid?
A) Oleic acid
B) Linoleic acid
C) Palmitic acid
D) Arachidonic acid
12. The sugar present in RNA is:
A) Glucose
B) Ribose
C) Deoxyribose
D) Fructose
13. Which vitamin is water-soluble?
A) Vitamin A
B) Vitamin D
C) Vitamin C
D) Vitamin K
14. Which of these molecules is a secondary messenger in cell signaling?
A) DNA
B) cAMP
C) Glucose
D) Glycogen
15. Hemoglobin is an example of what type of protein?
A) Structural
B) Transport
C) Enzyme
D) Hormone
✅Answer👇
1. C) Vitamins
2. C) Amino acids
3. B) Starch
4. B) Peptide bond
5. B) Glucose
6. D) Storing and transmitting genetic information
7. C) Phospholipids
8. D) Nitrogen
9. B) Nucleotide
10. B) They lower activation energy
11. C) Palmitic acid
12. B) Ribose
13. C) Vitamin C
14. B) cAMP
15. B) Transport
©️Remedial Special Class