You look through a microscope to view the Brownian motion of smoke in a container of air.
Which one of the following statements is NOT true?
2. Question | Integrated Science
Tooth decay can be caused by:
3. Question | Social Studies
A political campaign is a method used by political parties to
4. Question | Mathematics
The pie chart above shows how a student
used 10 hours per week for studying
English (E), Mathematics (M), French (F)
and Geography (G), The amount of hours
spent studying French is approximately
5. Question | Biology
An enzyme which has an optimum pH of 3 will function best in the:
6. Question | Physics
The following statements refer to the laminated core of a transformer. Which one of them is
NOT true?
7. Question | Integrated Science
Three factors that increase the risk of coronary heart disease are:
8. Question | Principles Of Accounts
Personal accounts are found in the
9. Question | Physics
A spring is 100 mm long when unstretched. A 40 N load is hung from it, and its total length
increases to 120 mm. A different load on the spring causes it to become 150 mm long. If the
spring obeys Hooke′s Law, this second load is:
10. Question | Biology
Osmosis is:
11. Question | English A
Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.
I formed the brilliant idea of climbing the fence and to hang from the top of the rail until the bull went away.
12. Question | English A
Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.
She seems to be sensitive to the feelings of others.
13. Question | Physics
A detector close to a sample of radioactive material records 76 counts per second (cps).
Precisely 2 days later the count rate has fallen to 22 cps.The count rate due to background
radiation, taken immediately before and after the experiment, averaged 4 cps. The half-life of the
material is:
14. Question | Biology
Which of the following are natural barriers to infection?
Ⅰ tears
Ⅱ skin
Ⅲ stomach acid
Ⅳ mucus
15. Question | Social Studies
Which of the following is LEAST likely to lead to the development of the Human Resources of a country?
16. Question | Physics
A ripple travels over the surface of some water. Its wavelength is 2 m, its amplitude is 0.1 m and
its frequency is 0.5 Hz.The speed of the ripple is:
17. Question | Integrated Science
Which statement is not true of sperm and ova?
18. Question | Mathematics
Which of the following sets has an infinite
number of members?
19. Question | Social Studies
Removal of forests may cause all of the following EXCEPT
