Past Questions And Answers
Which of the folowing statements about light travelling from one material medium to another is not correct?
- A. The refracted angle is less than the incident angle if the speed is higher in the first material
- B. Its wavelength does not change
- C. It bends away from the normal if the speed is lower in the first material
- D. Its frequency changes.
The pituitary is regarded as the master gland because
- A. it is locatd in the brain
- B. its secretion are the most numerous
- C. its secretion control other endocrine glands
- D. it is the biggest endocrine gland
Inflation which is caused mainly increases in the prices of factors of production is described as?
- A. cost-push inflation
- B. demand-pull inflation
- C. crawling inflation
- D. spiral inflation
In storing magnets, keepers are used to
- A. reduced self-demagnetization
- B. cancel the effect of the earth's magnetic field
- C. protect the magnet from stray electric field
- D. increase the strangth of the magnets
(a) What is meant by the term Food chain?
(b) Draw a food chain involving four trophic levels which can be found in a terrestrial habitat.
(c) Explain
(i) the flow of energy through the food chain drawn in (b) above;
(ii) how energy in the chain is lost to the environment.
View Discussion (0)WAEC 2009 THEORYA prominent erosional landform of wind action is a?
- A. seif
- B. barchan
- C. playa
- D. yardang
Kazraj is to Aws as Kharaj is to
- A. Kaffaah
- B. Jizyah
- C. Iddah
- D. Amanah
Which of the following statements is true regarding the melting and boiling points of pure substances?
- A. The boiling point is always higher than the melting point
- B. The melting point is always higher than the boiling point
- C. The melting and boiling points are always the same for all substances
- D. The melting and boiling points can vary depending on the substance
After each of the following sentences, a list of possible interpretations of the sentence is given. Choose the interpretation that you consider most appropriate for each sentence.
The senator's house is the last word in comfort. This means that the senator
- A. has the most comfortable house
- B. speaks about the comfort of his house
- C. owns the last house on comfort street
- D. has a house that is not comfortable
The desire for goods without the ability to pay is called
- A. choice
- B. effective demand
- C. joint demand
- D. wants