Past Questions And Answers
The legs of an accident victim with a fractured vertebral column and injured spinal cord could not be raised because
- A. impulses fromreceptors in the legs cannot travel to the brain
- B. impulses from the brain cannot travel to the legs
- C. chemical substances will be released at synapses in the central nervous system
- D. reflexx actions cannot take place in the legs
The King of Judah who witnessed the second deportation was
- A. Jehoiachin
- B. Zedekiah
- C. Gedaliah
- D. Jehoikim
In which year did Nigeria host the Commonwealth Heads of Government Meeting (CHOGM)?
- A. 1999
- B. 2013
- C. 2007
- D. 2003
The duration of the oestrus cycle of sow is
- A. 14 - 28 days
- B. 6 - 10 days
- C. 3 - 5 days
- D. 1 - 2 days
Which of the following equipment is a farm implement?
- A. dryer
- B. sheller
- C. mower
- D. mistblower
(a) If \(\log_{10} 2 = 0.3010\) and \(\log_{10} 3 = 0.4771\), calculate without using tables, the value of \(\log_{10} 0.72\).
(b) A hawk on top of a tree, 20 metres high views a chick on the ground at an angle of depression of 39°. Find, correct to 2 significant figures, the distance of the chick from the bottom of the tree.
View Discussion (0)WAEC 1996 THEORY.jpg)
\(\tan 39° = \frac{20}{AB} \)The following organisms have structures for movement except
- A. Amoeba
- B. Spirogyra
- C. Volvox
- D. Paramecium
If \(\overrightarrow{OX} = \begin{pmatrix} -7 \\ 6 \end{pmatrix}\) and \(\overrightarrow{OY} = \begin{pmatrix} 16 \\ -11 \end{pmatrix}\), find \(\overrightarrow{YX}\).
- A. \(\begin{pmatrix} 9 \\ -5 \end{pmatrix}\)
- B. \(\begin{pmatrix} -23 \\ -5 \end{pmatrix}\)
- C. \(\begin{pmatrix} 9 \\ 17 \end{pmatrix}\)
- D. \(\begin{pmatrix} -23 \\ 17 \end{pmatrix}\)
The bacterial blight of cotton is also known as
- A. black arm
- B. leaf spot
- C. damping off
- D. twister
A working electric motor takes a current of 1.5 A when the p.d across it is 250V. If its efficiency is 80%, the power output is
- A. 300.0W
- B. 469.0W
- C. 133.0W
- D. 4.8W