Past Questions And Answers
The food substance that would produce the highest amount of energy is
- A. protein
- B. amino acid
- C. fat
- D. glucose
Given that x2 + y2 + z2 = 194, calculate z if x = 7 and \(\sqrt{y}\) = 3
- A. \(\sqrt{10}\)
- B. 8
- C. 12.2
- D. 13.4
Which of the following is one of the functions of commerce?
- A. Manufacturing
- B. Growing of tomatoes
- C. Storage of goods
- D. Construction of roads
a. Classify the following biological associations under the headings in the table below:
(i) Remora and shark;
(ii) Lichen;
(iii) Cattle and white Egret;
(iv) Tapeworm in the gut of humans;
(v) Flowers and Honeybees;
(vi) Mistletoe and Cacao plant.
| Parasitism | Mutualism | Commensalism |
[6 marks]
b. (i) Statethreeadaptive features of parasites. [6 marks]
(ii) Statetwoeffects of parasites on their hosts. [2 marks]
c. (i) What are saprophytes? [2 marks]
(ii) Givefourexamples of saprophytes. [4 marks]
View Discussion (0)WAEC 2019 THEORYBala sold an article for #6,900.00 and made a profit of 15%. Calculate his percentage profit if he had sold it for N6,600.00.
- A. 5%
- B. 10%
- C. 12%
- D. 13%
Transportation helps economic development through all the following except
- A. movement of people and commodities
- B. promotion of national and international trade
- C. diffusion of ideas and technology
- D. distribution of human population
Fact and oils are used as raw materials in the following industries except
- A. paint industry
- B. plastic industry
- C. margarine industry
- D. cosmetics industry
Which of the following types of fertilizer is recommended for use in high quantities for groundnut production?
- A. nitrogen fertilizer
- B. phosphorus fertilizer
- C. potassium fertilizer
- D. potassium and calcium fertilizer
The digestion of proteins starts in the______
- A. small intestine
- B. stomach
- C. large intestine
- D. mouth
The first activity to undertake before establishing a plantation is to
- A. survey the land
- B. clear the land
- C. prepare the seed beds
- D. raise seedlings