The triangle ABC above shows the angle of
elevation of the top, B,
of a tower, BC, from A, to be 30°.
AB = 40 m. The length of BC is
2. Question | Biology
An enzyme which has an optimum pH of 3 will function best in the:
3. Question | Mathematics
In the figure above, the shaded portion
represents
4. Question | Chemistry
The Earth′s first atmosphere contained all of these gases EXCEPT for:
5. Question | Integrated Science
The blood cells that engulf invading microorganisms are:
6. Question | Mathematics
Which of the following is a prime number?
7. Question | Integrated Science
Sea breezes result because:
8. Question | Principles Of Accounts
Another name for authorised capital is
9. Question | Mathematics
If an increase of 20% will change the price of an item to $480, what is the original price of the item?
10. Question | Mathematics
The sizes of the interior angles of a polygon
are x°, 2x°, 60°, 3x° and 36°. What is the
value of x ?
11. Question | Social Studies
THE ITEM is based on the following extract.
Unemployment and hard economic conditions have forced both parents in some Caribbean families to migrate, leaving an elder son or daughter to care for the younger brothers and sisters.
Which of the following problem is LEAST likely to affect the younger brothers and sisters?
12. Question | Mathematics
In the Venn diagram above, the shaded
portion represents
13. Question | Biology
The animals shown in the diagram were
identified using a dichotomous key based
on the visible characteristics listed
below:
Ⅰ body shape
Ⅱ number of legs
Ⅲ number of wings
Ⅳ number of eyes
Ⅴ number of antennae
Which characteristics could be used to
divide the animals into two groups?
14. Question | Social Studies
Caribbean governments have improved the rights of children born out of wedlock by.
15. 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.
Had they not been forewarned, they might have joined the queue, not knowing that gas was not on sale at that station.
16. Question | Chemistry
The common name for ascorbic acid is:
17. Question | Chemistry
In terms of mass, compared to a proton, an electron:
18. Question | Mathematics
What is the value of u in the sequence 2 , 7 , 14 , 23 , 34 , u ?
19. Question | Chemistry
When solid carbon dioxide turns straight into a gas we call it:
20. Question | Integrated Science
Which one of the following comparisons of inhaled and exhaled air is correct?