Properties of Matter Sample Questions for Class 11
Question 1
Flammable materials, like alcohol, should never be dispensed or used near
A. an open door.
B. an open flame.
C. another student.
D. a sink.
Question 2
The enzyme used in the synthesis of mRNA is
A. restriction enzyme.
B. DNA ligase.
C. DNA polymerase.
D. RNA polymerase.
Question 3
Where does gas exchange occur?
A. left bronchus
B. trachea
C. alveoli
D. terminal bronchiole
Question 4
Under conditions of fixed volume and amount of gas, Gay-Lussac's law requires that I. P_1T_2=P_2T_1. II. PT = constant. III. P_1/T_1=P_2/T_2.
A. I only
B. II only
C. III only
D. I and III
Question 5
Which is a description of breathing?
A. aerobic production of ATP from glucose
B. inhibition of an enzyme that produces prostaglandins
C. oxidation of glucose to produce two pyruvate molecules
D. exchange of gases by the lungs