In pea plant size, tall is dominant to dwarf.You cannot tell whether a tall plant is homozygous
(TT) or heterozygous (Tt).To find its genotype you perform a test cross.This involves:
3. Question | Mathematics
Which of the following represents numbers greater than -3 but less than 6 ?
4. Question | Chemistry
The major plant nutrients written as NPK refer to phosphorus, nitrogen and:
5. 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:
6. Question | Integrated Science
The density of pure water is:
7. Question | Integrated Science
Photosynthesis is important because:
8. Question | Chemistry
When limestone is heated strongly it changes into:
9. Question | Chemistry
The number of electrons in a full electron shell is:
10. Question | Biology
Malaria is spread by:
11. Question | Principles Of Accounts
A business operates its petty cash on the imprest system. At the beginning of the month the petty cashier was given $20.00 out of which she spent $15.20. How much will she be reimbursed?
12. Question | Information Technology
Banks and other financial institutions utilize __________ technology that automatically verifies the identity of callers wishing to access their accounts.
13. Question | Mathematics
In the Venn diagram above, the shaded
portion represents
14. Question | Chemistry
Transition metals have all of these properties EXCEPT for:
15. Question | Biology
Which of the following are examples of environmental variation in humans?
Ⅰ hair colour
Ⅱ height
Ⅲ intelligence
Ⅳ body mass
16. Question | Chemistry
When zinc sulphide is heated in air the gas produced is:
17. Question | Mathematics
The interest rate on investments in a bank
increased from 5 per cent per annum to 6 1/2
per cent per annum. The difference in annual
interest on a deposit of $4000 is
18. Question | Principles Of Accounts
The ZAP Company hired you as a book-keeper. On April 3 you received an invoice along with goods from D. Kamin & Co. Ltd. for $600. Where should you record this transaction?
19. Question | Information Technology
All of the following devices are commonly used non-impact printers EXCEPT __________.