Cells become specialised to carry out different roles.This process is called:
2. Question | Biology
Leaves are thin and flat:
3. Question | Biology
A student observed a plant cell through a microscope and made an accurate drawing of the cell.
If her drawing was 80 mm in diameter and had a magnification of ×2000, what was the real
diameter of the cell?
4. Question | Principles Of Accounts
A trader received an invoice for $4,000 less 25% trade discount. Subsequently he returned one eighth of the goods. What amount would be entered in his Returns Outwards Account?
5. Question | Social Studies
A political campaign is a method used by political parties to
6. Question | Social Studies
Which of the following social issues are associated with the use of illegal drugs by adolescents?
1. Criminal activity
2. Indiscipline
3. Early marriage
4. Poverty
7. Question | Biology
Which of the following statements about diffusion is NOT true?
8. Question | Physics
A certain nucleus has 12 protons and 16 neutrons.Which one of the following statements about
the nucleus is NOT true?
9. Question | Biology
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:
10. Question | Physics
The air temperature on a particular day is 27 ℃. An air bubble trapped in a tube by a thread of
liquid is able to expand freely if it is heated.At what temperature would you expect the volume
of the air bubble to double?
11. Question | English A
Instructions: Choose the one NEAREST in MEANING to the original sentence.
If students' efforts are rewarded they would be encouraged to work harder.
12. Question | Chemistry
The common name for ascorbic acid is:
13. Question | Biology
Osmosis is:
14. Question | Mathematics
A shopkeeper buys 24 CD players for a
wholesale price of $1800. At what price per
CD player must she sell to make a profit of
10% on her cost?
15. Question | Chemistry
All of these are ordered crystalline structures EXCEPT for:
16. Question | Biology
All of the following processes result in energy loss from an ecosystem EXCEPT for:
17. Question | Physics
A 10 V battery delivers a steady current of 2 A. How long will it be before 1.0 kJ of energy is
supplied to the circuit?
18. 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?
