3. The chromosomes of a cell
change their form as they
undergo cell transitions from one
stage to another in a typical cell
cycle.
4. The cell cycle may be
divided into two
stages:
1.Interphase
2.Cell Division
5. The cell cycle may be
divided into two
stages:
1.Interphase
2.Cell Division
6. Interphase is the interval
between two cell divisions.
During this stage, the cell is not
dividing; it merely grows. The
chromosome doubles or
replicates itself because the
DNA molecule contained in the
chromosome produces a precise
copy of itself.
7. 1. First gap period
or G1 where ;
cell grows initially
synthesis of
protein and
ribonucleic acid or
RNA occurs
mitochondria
increase in number
8. 2. Synthesis stage
or S phase where;
DNA are
synthesized thus
replicating the
chromosomes in
preparation for the
next cell division.
9. 3. Second gap period or G2
where;
cell grows rapidly
cell prepares for the actual
cell division
10. 2. A baseball is thrown up into the air.
What happens to the velocity as the ball
rises in the air?
a. the velocity increases
b. the velocity decreases
c. the velocity remains constant
d. None of the these.
11. 3. What is the SI unit for acceleration?
a. mph b. ft/sec2
c. m/s2 d. m/s
12. 4. Which of the following does not show
an example of uniformly accelerated
motion?
a. A book on table .
b. A ball dropped from the top of a
ladder.
c. Abicycle whose brakes have been
engaged.
13. 5. What distance did the object travel in
3 seconds?
a. 10m b. 20m c. 30m d. 40m
