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:
2. Question | Chemistry
The Periodic Table is arranged in order of:
3. Question | Chemistry
The second most common gas in the atmosphere is:
4. Question | Mathematics
When rotated through 90° about the origin
in a clockwise direction, the
image of the point (3, 1) is
5. Question | Chemistry
When aluminium is extracted by electrolysis, cryolite is added to:
6. Question | Chemistry
The type of polymerisation used to make polythene is called:
7. Question | Principles Of Accounts
An increase in drawing will result in
8. Question | Mathematics
The area of the trapezium ABCD above is
9. Question | Physics
When we focus on a near object, the lens in our eye:
10. Question | Social Studies
What is the BEST option available to persons who are qualified but cannot find a job?
11. Question | Mathematics
Which of the relations represented below
are functions?
12. Question | Biology
A lack of vitamin D in the diet causes:
13. Question | Physics
Sweating can help to cool the body. This cooling is achieved mainly by:
14. Question | Biology
Which one of the following is NOT a harmful effect of smoking?
15. Question | Physics
A dynamo connected to a circuit is being turned.Which one of the following would NOT
generate a greater e.m.f.?
16. Question | Mathematics
What is the simple interest earned on $10 000 invested for 3 months at a rate of 5% per annum?
17. Question | Chemistry
The alloy, brass, contains copper and:
18. 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.
19. Question | Biology
A typical soil contains mineral particles, humus, water, air and:
20. Question | Mathematics
Three lights flash at intervals of 2, 6 and 14
seconds respectively. They are started
together. How soon after will they next flash
together again?