The blood cells that engulf invading microorganisms are:
3. 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
4. Question | Chemistry
In an endothermic reaction:
5. Question | Integrated Science
Many leaves are adapted to photosynthesise effectively by having:
6. Question | Biology
Vaccination causes a person′s immune system to produce:
7. Question | Mathematics
If ƒ : x → x2 + 1, then ƒ(-3) 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 | Biology
Which of the following routes taken by blood in the body is correct?
10. Question | Chemistry
None of these solutions in water conducts electricity EXCEPT for:
11. Question | Information Technology
The system used by mission control in Houston, Texas to monitor the operation of space exploration vehicles is an example of the __________ processing mode.
12. Question | Physics
The specific heat capacity of a particular liquid is 3000 J kg-1 K-1. A large beaker containing
2 kg of the liquid has to be warmed from 25 ℃ to 35 ℃. A 100 W heater is used. If all the
thermal energy could be transferred to the liquid, how long would it take?
13. Question | Mathematics
Items bought by a trader for $80 are sold for $100. The profit expressed as a percentage of cost price is
14. 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.
15. Question | Principles Of Accounts
An increase in drawing will result in
16. Question | English A
Instructions: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.
Are you trying to ............ that all along he knew of the plot to oust the committee?
17. Question | Mathematics
The decimal equivalent of 7/8 is
18. Question | Information Technology
All the following software are examples of operating systems EXCEPT
19. Question | Physics
Two separate forces are acting on a bar to cause it to rotate clockwise. One force is 20 N, at a
distance of 3 m out from the pivot; the second force, 2 m further out, is 10 N. Their combined
moment is:
20. Question | Principles Of Accounts
Which of the following documents may be used to inform a customer of an undercharge on an invoice?
