Jamb Biology Past Questions For Year 1993
Question 11
In which of the following organism does a single cells performs all the function of movement, nutrition, growth , excretion, photosynthesis?
- A. Paramecium
- B. Euglena
- C. Amoeba
- D. Spirogyra
Question 12
Which of the following organs or cells components are common to both the sporophytes and the gametophytes of a fern?
- A. Rhizoids
- B. Roots
- C. Chloroplast
- D. Leaves
Question 13
Osmic acid boiled with a solution of food substance gave a black precipitate. This indicates the presence of
- A. fats and oil
- B. proteins
- C. amino acids
- D. starch
Question 14
interveinal chlorosis is normally associated with the deficiency of
- A. magnesium
- B. potassium
- C. iron
- D. calcium
Question 15
Manufactured food in the plant is transported through the
- A. xylem
- B. phloem
- C. cambium
- D. cortex