An enzyme which has an optimum pH of 3 will function best in the:
2. Question | Physics
When we focus on a near object, the lens in our eye:
3. Question | Chemistry
All of the following have a charge of -1 EXCEPT for:
4. Question | Chemistry
A plastic that softens every time it is heated is said to be:
5. Question | Social Studies
THE ITEM refers to the following illustration.
The pattern where many persons make the same decision as the young man in the picture is refered to as
6. Question | Social Studies
Which of the following is based on exploiting non-renewable natural resources?
7. Question | Mathematics
0.045 × 10-3 in scientific notation is
8. Question | English A
Instructions: Select the option A, B, C or D that BEST describe the sentence.
He advanced a step or two to meet his attacker who suddenly became alarmed and retreated back four or five paces.
9. Question | Physics
Which one of the following would NOT give rise to a systematic error in an experiment?
10. Question | Integrated Science
Which of the following nutrients is/are digested in the stomach?
11. Question | Integrated Science
Which one of the following lists only differences between aerobic respiration and anaerobic respiration?
12. Question | Chemistry
When black copper oxide is heated with carbon, brown copper metal is produced, which means that compared to copper, carbon is the:
13. Question | Chemistry
The Haber Process is used to make:
14. Question | Biology
Simple sugars are called monosaccharides because:
15. Question | Mathematics
Which of the following is a prime number?
16. Question | Mathematics
Items bought by a trader for $80 are sold for $100. The profit expressed as a percentage of cost price is
17. Question | Mathematics
2(5 - x) - 3(x - 6) =
18. Question | Information Technology
Which of the following acronyms represents a computer bus primarily designed for the transfer of data between a computer system and a mass storage device?
19. Question | Information Technology
In an airport, a system consisting of sensors, bar code readers and remote controls is MOST LIKELY used for __________.
20. Question | Mathematics
Given ƒ : x -> 3x - 1, and g : x -> x2, then ƒg(-2) =