Biology Practice Test – Plant and Animal Nutrition

In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to _______ (JAMB 1987)

A. prevent algal growth in culture solution
B. allow root growth
C. prevent breakdown of mineral elements
D. prevent photosynthesis in the root

The severe deficiency of vitamin C leads to _______ (JAMB 1986)

A. kwashiorkor
B. beriberi
C. pellagra
D. scurvy

Which of the following groups contains only macro-nutrients? (WASSCE 2004)

A. Phosphorus, nitrogen and molybdenum
B. Manganese, copper and zinc
C. Boron, sulphur and iron
D. Calcium, magnesium and potassium

Which of the following structures produces the greatest variety of digestive enzymes?

A. Salivary glands     B. Pancreas     C. Stomach     D. Colon

The lime water in container C turned milky because ______ (JAMB 1981)

A. carbon dioxide was produced by plant B during respiration
B. carbon dioxide entered C through the filter pump
C. oxygen reacts with lime water to produce milkiness
D. soda lime did not remove carbon dioxide from air