What is the name of the interface used by visually impaired persons to operate a computer system?
2. Question | Integrated Science
When we are too hot, more blood flows through the capillaries near the surface of the skin. This helps us to cool down because the blood loses heat by:
3. Question | Biology
Which of the following are advantages of asexual reproduction in a flowering plant?
Ⅰ Large numbers of offspring are rapidly produced.
Ⅱ Favourable genotypes are maintained from one generation to the next.
Ⅲ The plant does not need to rely on wind or insects for pollination.
Ⅳ Several identical individuals grow close together.
4. Question | Chemistry
The Earth′s first atmosphere contained all of these gases EXCEPT for:
5. Question | Chemistry
Powders react faster than lumps because they have:
6. 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?
7. Question | Mathematics
The water authority charges $10.00 per
month for the meter rent, $2.50 for the first
1 000 litres and $0.10 for each additional
100 litres. What is the total bill for 2 500
litres used in one month?
8. Question | Chemistry
Reactive metals such as potassium react with water to give hydrogen and:
9. Question | Biology
The wall of the left ventricle is thicker than that of the right ventricle because:
10. Question | Chemistry
The sharp-tasting compound in vinegar is:
11. Question | English A
Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.
To conceal his true activities, the spy quickly ............ a plausible excuse for his presence there.
12. Question | Mathematics
0.0039 × 10-2 in scientific notation is
13. Question | Biology
A collection of several tissues which carry out a particular function is called:
14. Question | Integrated Science
Which one of the following comparisons of inhaled and exhaled air is correct?
15. Question | Biology
A lack of vitamin D in the diet causes:
16. Question | Information Technology
__________ is a type of chip from which data can be erased by exposure to ultraviolet light.
17. Question | Information Technology
__________ are used in specialized fields such as engineering and drafting for outputting large-format drawings.
18. Question | Integrated Science
Which of the following properties of water is not important to the survival of living things?
19. Question | English A
Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.
The headgear worn by the factory worker is made from artificial material.
20. Question | Physics
Which one of the following statements about a voltmeter is NOT true?
