The only common gas that turns moist red litmus paper blue is:
2. Question | Biology
Which of the following is NOT transported in phloem?
3. 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
4. Question | Integrated Science
During adolescence, boys:
5. Question | Chemistry
A ballpoint pen mark can be removed using:
6. Question | Biology
Crossing two brown mice produced an offspring with a black coat.Which of the following statements MUST be correct?
Ⅰ Brown coat is dominant to black.
Ⅱ The brown mice were heterozygous for coat colour.
Ⅲ The black mouse was homozygous for coat colour.
Ⅳ Crossing a black mouse with another black mouse could produce a brown offspring.
7. Question | Mathematics
The expression a2 + b2 is equivalent to
8. Question | Physics
A 10 V battery delivers a steady current of 2 A. How long will it be before 1.0 kJ of energy is
supplied to the circuit?
9. Question | Chemistry
Oxidation can include all of these EXCEPT for:
10. Question | Biology
All of the following are possible consequences of global warming EXCEPT for:
11. Question | Chemistry
Particles are furthest apart in:
12. Question | Physics
Which one of the following statements about an ammeter is NOT true?
13. Question | Social Studies
Which of the following are aspects of the socialization process?
Ⅰ. Reproduction
Ⅱ. Religious teaching
Ⅲ. Recreational activity
14. Question | Chemistry
When aluminium is extracted by electrolysis, cryolite is added to:
15. Question | Social Studies
Which of the following is a function of the Caribbean Development Bank?
16. Question | Social Studies
The constitutions of Commonwealth Caribbean countries guarantee citizens freedom of conscience, expression, assembly and movement. These freedoms are usually referred to as
17. Question | Chemistry
The following are all natural materials EXCEPT for:
18. Question | Physics
The air temperature on a particular day is 27 ℃. An air bubble trapped in a tube by a thread of
liquid is able to expand freely if it is heated.At what temperature would you expect the volume
of the air bubble to double?
19. Question | Chemistry
The rate of reaction between marble and hydrochloric acid can be speeded up by using:
20. 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
