Plants lose water through their leaves by the process of:
2. Question | Mathematics
The Item refer to the information below
The following scores were obtained by eleven
footballers in a goal-shoot competition:
The median score was
3. 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:
4. Question | Mathematics
The average of a set of numbers reduces from 14 to 11 when the number 35 is removed. How many numbers were in the original set?
5. Question | Chemistry
When solid carbon dioxide turns straight into a gas we call it:
6. Question | Information Technology
__________ is a primary storage device that may be programmed and reprogrammed by the user.
7. Question | Physics
Sweating can help to cool the body. This cooling is achieved mainly by:
8. Question | Social Studies
Which of the following methods of fishing is MOST damaging to the eco-system?
9. Question | Biology
The following are all minerals EXCEPT for:
10. Question | Integrated Science
Atherosclerosis is a process in which:
11. Question | Biology
A student observed a plant cell through a microscope and made an accurate drawing of the cell.
If her drawing was 80 mm in diameter and had a magnification of ×2000, what was the real
diameter of the cell?
12. Question | Physics
The nucleus of a carbon atom has six protons and eight neutrons.Which one of the following describes it?
13. Question | Chemistry
All of these reactions are exothermic EXCEPT for:
14. Question | Physics
The method by which certain uranium and plutonium nuclei can release energy in a reactor is
known as:
15. Question | Biology
Water is lost from the body in:
16. Question | Biology
Which of the following statements about lipids is NOT true?
17. Question | Biology
The biceps and triceps are an antagonistic pair of muscles because:
18. Question | Chemistry
When dilute sulphuric acid is electrolysed the two gases produced are hydrogen and:
19. Question | Mathematics
Profits in the partnership of Bess, Bill and Bob are shared in the ratio 1 : 2 : 3. If Bill's share of the profits is $300, what is Bob's share?
20. Question | Mathematics
The sizes of the interior angles of a polygon
are x°, 2x°, 60°, 3x° and 36°. What is the
value of x ?