NEW
Font size
WorksheetsKL-9 BIO QUIZ II-I
Total questions: 10
Worksheet time: 20mins
Which one of the followings is a hydrolysis reaction?
A) Maltose + H2O → Glucose + Glucose
B) Amino acid + Amino acid → Dipeptide + H2O
C) n ( Glucose ) → Starch + (n – 1) H2O
D) 1 Glycerol + 3 Fatty acids → 1 Triglyceride + 3 H2O
E) n ( Amino acids ) → Polypeptide + (n – 1) H2O
Which one of the following reactions is different from the others?
A) Formation of a polysaccharide
B) Synthesis of a polypeptide from amino acids
C) Storing excess glucose in the form of starch
D) Conversion of starch to glucose
E) Storing excess glucose in the form of glycogen
Which one of the following are the carbohydrates that are not found in plants?
A) Ribose – Deoxyribose
B) Glucose – Fructose
C) Glucose – Maltose
D) Galactose – Glycogen
E) Maltose – Starch
…………………… means the total of all the chemical reactions an organism needs to survive.
Which of the followings complete this sentence correctly?
A) Exothermic reactions
B) Chemistry
C) Endothermic reactions
D) Anabolism
E) Metabolism
An enzyme is a ( n ) …………………………. .
Which one of the followings can complete the above given sentence correctly?
A) Vitamin
B) Carbohydrate
C) Lipid
D) Protein
E) Nucleic acid
The effect of temperature on the relative rate of the action of an enzyme is represented in the graph below.
What is the approximate optimum temperature for the action of this enzyme?
A) 0°C
B) 15°C
C) 20°C
D) 35°C
E) 55°C
Which of the following macromolecules holds genetic information?
A) Carbohydrates
B) Lipids
C) Proteins
D) Enzymes
E) Nucleic acids
Which of the following statements is correct for ATP?
A) It is a protein molecule
B) It has a helical structure
C) It provides energy because it contains carbohydrate
D) It is most energetic when in the ADP state
E) It is a high - energy molecule that can break down to ADPand phosphate
Which of the following structures does not have a double - layered membrane?
A) Chloroplast
B) Golgi apparatus
C) Nucleus
D) Mitochondrion
E) Leucoplast
Which one of the following graphics shows the changes of osmotic pressure and turgor pressure of an algal cell that is taken from seawater and put into the fresh water? ( Turgor: pressure − , Osmotic pressure: ------ )
