In the Venn diagram above, the shaded
portion represents
2. Question | Biology
A species of mouse has 32 chromosomes in its muscle cells.What will be the numbers of chromosomes in the mouse′s skin cells and sperm cells?
3. Question | Biology
An enzyme which has an optimum pH of 3 will function best in the:
4. Question | Chemistry
When an element combines with oxygen we get an:
5. Question | Physics
Which one of these four statements is NOT true?
6. Question | Chemistry
Alcohol can be made by fermentation of all these EXCEPT for:
7. Question | Mathematics
The interest rate on investments in a bank
decreased from 8 1/2 per cent per annum to 6
per cent per annum. The difference in annual
interest on a deposit of $2 000 is
8. Question | Mathematics
A contractor completed five-ninths of a job before a second contractor completed an additional one-third. What fraction of the job is left undone?
9. Question | Chemistry
In a water condenser the cooling water enters at:
10. Question | Integrated Science
The particles in a liquid:
11. Question | Physics
A ripple travels over the surface of some water. Its wavelength is 2 m, its amplitude is 0.1 m and
its frequency is 0.5 Hz.The speed of the ripple is:
12. Question | Chemistry
The number of litres in 2000 cm3 is:
13. Question | Biology
Asexual reproduction produces:
14. Question | Social Studies
In many Caribbean countries the Queen of England is the head of state.
Such countries may be described as
15. Question | Chemistry
The active catalyst in a car′s catalytic converter is:
16. Question | Chemistry
1 mole of sodium carbonate weighs 106 g, so the number of moles in 318 g will be:
17. Question | Chemistry
The type of polymerisation used to make polythene is called:
18. Question | Biology
The length of an insect such as a grasshopper increases in steps.This is because:
19. Question | Information Technology
__________ refers to the number of bits that a microprocessor can manipulate at one time