Which of the following are natural barriers to infection?
Ⅰ tears
Ⅱ skin
Ⅲ stomach acid
Ⅳ mucus
3. Question | Mathematics
What is the simple interest earned on $10 000 invested for 3 months at a rate of 5% per annum?
4. Question | Chemistry
Biological catalysts in yeast are called:
5. Question | Social Studies
Which of the following characteristics MUST ALL formal groups possess?
1. Membership requirements
2. Code of conduct
3. Specific objectives
4. Elected leaders
6. Question | Social Studies
Which of the following persons listed below is the Head of the Judiciary?
7. Question | Mathematics
The marked price of a stove was $520. A
worker bought the stove on hire-purchase
by making a down payment of $100, and
twelve monthly payments of $40 each.
How much could she have saved if she had
bought the stove for the marked price?
8. Question | Biology
Which of the following are examples of environmental variation in humans?
Ⅰ hair colour
Ⅱ height
Ⅲ intelligence
Ⅳ body mass
9. 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.
We could reach the survivors neither by boat or by plane, and so we abandoned our search as futile.
10. Question | Chemistry
All of these are fractions from crude oil EXCEPT for:
11. Question | Integrated Science
Many leaves are adapted to photosynthesise effectively by having:
12. Question | Social Studies
Which of the following BEST characterizes a primary group?
13. Question | Biology
Plants make growth movements in response to all of the following stimuli EXCEPT for:
14. Question | Chemistry
The metal used in food containers whose surface is protected by a strong oxide layer is:
15. Question | Chemistry
Raising the temperature of a reversible reaction always encourages the:
16. Question | Social Studies
POPULATION PYRAMID FOR COUNTRY X
Which of the following features of Country X may be gathered from the diagram above?
17. Question | Biology
Seeds are dispersed from the parent plant:
18. Question | Biology
Enzymes are called biological catalysts because they:
19. 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:
