All gas exchange surfaces in vertebrate animals have:
2. Question | Integrated Science
The particles in a liquid:
3. Question | Chemistry
The gas that relights a glowing splint is:
4. Question | Biology
Which one of the following is NOT a reflex action?
5. Question | Mathematics
The exterior angles and the interior angles of a
polygon are equal. How many sides does the
polygon have?
6. Question | Chemistry
The voltages from the electrochemical series are -2.92 for potassium and +0.34 for copper, which shows that:
7. Question | Biology
A relationship between two organisms where one organism derives benefits from the
relationship and the other organism derives no benefit, but is not harmed, is called:
8. Question | Integrated Science
In a simple reflex action:
9. Question | Physics
In which one of the following four cases would the pressure be greatest?
10. Question | Chemistry
The following are all natural materials EXCEPT for:
11. Question | Mathematics
In the figure above, for which point is the
x-coordinate positive and the
y-coordinate negative?
12. 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.
She was not feeling well at the beginning of the journey, and sitting at the front of the car made her feel worse.
13. Question | Physics
The following statements describe the molecules in a gas at around room temperature. Which
one is NOT true?
14. Question | Mathematics
When rotated through 90° about the origin
in a clockwise direction, the
image of the point (3, 1) is
15. Question | Biology
All of the following can affect the size of a population EXCEPT for:
16. Question | Biology
Which of the following are advantages of asexual reproduction in a flowering plant?
Ⅰ Large numbers of offspring are rapidly produced.
Ⅱ Favourable genotypes are maintained from one generation to the next.
Ⅲ The plant does not need to rely on wind or insects for pollination.
Ⅳ Several identical individuals grow close together.
17. Question | English A
Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.
To conceal his true activities, the spy quickly ............ a plausible excuse for his presence there.
18. Question | Biology
Seeds are dispersed from the parent plant:
19. Question | Principles Of Accounts
A machine costs $10,000. It has an expected life of six years and has a residual value Of $400. Using the straight-line method, what is the depreciation per annum?
20. Question | Mathematics
In the figure above, the shaded portion
represents
