MATLAB Graphics- Multiple Choice Questions

Que.Which command gives a title to the graph plotted by MATLAB?
a. plot() generates the title itself
b. title()
c. hlabel()
d. heading()
Que.Which command enables a title for the x-axis?
a. xlabel()
b. horilabel()
c. xlabel[]
d. no command
Que.Which command enables a title for the y-axis?
a. vertlabel()
b. ylabel()
c. ylabel[]
d. no command
Que.How can several graphs for the same function be plotted on the same window?
a. Contour plots
b. Bode plots
c. 3-D plots
d. n-D plots
Que.What is the output of the following command?
meshgrid[x,y]

a. two x*y matrices
b. one x*y matrix
c. one y*x matrix
d. error
Que.What is the output of the following code?
t=0:0.001*pi:pi/2;
plot(t,sin(t),*);

a. An inverted sine curve
b. A sine curve
c. A point
d. Error
Que.What is the slope of the sawtooth waveform generated by the sawtooth command?
a. 1/pi
b. pi
c. 1/(2*pi)
d. 2*pi
Que.What is the period of the sawtooth() waveform which is generated by the sawtooth() command?
a. 2*pi
b. pi*2
c. pi
d. 3*pi/2
Que.The command used to generate an array of arrows is ________
a. quiver[]
b. arrows()
c. quiver()
d. arrows[]
Que.What is the output of the following code?
t=0:.001*pi:2*pi;
plot(cos(t),sin(t))

a. A circle
b. A straight line
c. A unit circle
d. A sinusoid