Which one of the following is NOT a function of the placenta?
2. Question | Chemistry
All of the following have a charge of -1 EXCEPT for:
3. Question | Biology
Which one of the following is NOT a reflex action?
4. Question | Social Studies
Which of the following is a function of the Caribbean Development Bank?
5. Question | Mathematics
The expression a2 + b2 is equivalent to
6. Question | Biology
The optimum pH for most enzyme action is:
7. Question | Physics
When we focus on a near object, the lens in our eye:
8. Question | Chemistry
When limestone is heated strongly it changes into:
9. Question | Integrated Science
Urea is made from surplus proteins in:
10. Question | Chemistry
The non-metal used to make margarine is:
11. Question | Mathematics
A circular hole with diameter 6 cm is cut
out of a circular piece of card with a
diameter of 12 cm. The area of the
remaining card, in cm2 , is
12. Question | Chemistry
We use expanded polystyrene cups for heat of reaction experiments because the cups are:
13. Question | Biology
All of the following have endoskeletons EXCEPT for:
14. Question | Biology
Cells become specialised to carry out different roles.This process is called:
15. Question | Information Technology
Banks and other financial institutions utilize __________ technology that automatically verifies the identity of callers wishing to access their accounts.
16. Question | Chemistry
All of the following are non-metals EXCEPT for:
17. Question | Mathematics
Three lights flash at intervals of 2, 6 and 14
seconds respectively. They are started
together. How soon after will they next flash
together again?
18. Question | Chemistry
The energy used in thermal decomposition is:
19. Question | Integrated Science
The wall of the heart is made of:
20. Question | Mathematics
In coordinate geometry, the equation of the x-axis is