Why is testing a leaf for starch a reliable indication that photosynthesis has taken place?
2. Question | Physics
A detector close to a sample of radioactive material records 76 counts per second (cps).
Precisely 2 days later the count rate has fallen to 22 cps.The count rate due to background
radiation, taken immediately before and after the experiment, averaged 4 cps. The half-life of the
material is:
3. Question | Biology
Seeds are dispersed from the parent plant:
4. Question | Mathematics
The bases and heights of a cylinder and a cone are the same. The volume of the cylinder is V cm3. What is the volume of the cone in cm3 ?
5. Question | Chemistry
Food can be preserved in all of these ways EXCEPT for:
6. Question | Biology
Vegetables like cauliflower, cabbage and broccoli have been bred from the original wild brassica
plant by:
7. Question | Biology
Single-celled organisms do not need a transport system because:
8. Question | Biology
Which of one the following statements about phloem cells is NOT true?
9. Question | Information Technology
All the following software are examples of operating systems EXCEPT
10. Question | Biology
Which of the following statements about photosynthesis is NOT true?
11. Question | Biology
Which one of the following is the best way to measure growth of an organism?
12. Question | Mathematics
In the circle above, the circumference is
10 cm. The length of the arc AB, in
centimetres, is
13. Question | Mathematics
What is the simple interest earned on $10 000 invested for 3 months at a rate of 5% per annum?
14. Question | Principles Of Accounts
John Jones pays his employees by cash. How will he record this payment in his books?
15. Question | Integrated Science
The density of pure water is:
16. 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.
June prefers to lie in bed not wanting to go to school nor does any work.
17. Question | Social Studies
Which is the MOST appropriate order of tasks for job seeker?
1. Write applications for the desired jobs.
2. Assess the suitability of the available jobs given his/her qualifications and interests.
3. Collect information about available job vacancies.
18. Question | Integrated Science
The particles in a liquid:
19. Question | Social Studies
Removal of forests may cause all of the following EXCEPT
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
