Past Questions And Answers
In the whistling pine, leaves are reduced to brown scales and young stems are green. This is an adaptation for
- A) obtaining food
- B) conserving nutrients
- C) storing water
- D) reducing transpiration
(a) What is variation?
(b) State five advantages of variation within a species.
(c) In a tabular form, outline four differences between continuous and discontinuous variations.
(d) Explain the following terms:
(i) Sex-linked characters
(ii) Co-dominance
(iii) Hybrid vigour
View Discussion (0)WAEC 2009 THEORYWhich of the following cell types has the least number of mitochondria?
- A. Cardiac cells of the heart
- B. Cells of the cornified layer
- C. Muscle cells of the bladder
- D. Muscle cells of the diaphragm
Blackarm is a bacterial disease of
- A. rice
- B. cotton
- C. citrus
- D. cocoa

The diagram below illustrates the trajectory of a fired missile from point P at 250 ms-1
If the missile point Q after 40 s, calculate the distance |PQ|
View Discussion (0)WAEC 2022 THEORYWhen a water droplet is placed on a freshly cut piece of wood, it spreads out to form a thin layer because the wood is
- A. not at equilibrium with the water
- B. cohesive to water
- C. at equilibrium with the water
- D. adhesive to water
Solve, correct to three significant figures, (0.3)\(^x\) = (0,5)\(^8\)
- A. 4.61
- B. 4.606
- C. 0.461
- D. 0.0130
The impact of Jesus' miracle of turning water into wine was that the
- A) servants were astonished
- B) master of ceremony believed
- C) disciples believed more in Him
- D) people glorified God
(a) What are public corporations?
(b) State any four merits of public corporations.
View Discussion (0)WAEC 2004 THEORYWay bill is a document driving details of goods sent by
- A) public vehicle, train and air
- B) train ad ship
- C) ship alone
- D) air alone

