Nutrition - Jamb Biology Past Questions and Answers

Question 56:

• JAMB 1995

Which of the following organelles are likely to be present in cells that are actively respiring and photosynthesizing?

A. Nucleolus and centrioles
B. Mitochondria and chloroplast
C. Lysosomes and ribosomes
D. Golgi apparatus and endoplasmic reticulum

Question 57:

• JAMB 1995

2H₂ → 2H₂ + O_2(g). The equation above represents a part of the light stage of photosynthesis. Which of the following must be presents for this reaction to occur?

A. Enzyme and light energy
B. Carbondioxide and light energy
C. Light energy and cholorphyll
D. Chlorophyll and enzyme

Question 58:

• JAMB 1995

Which vitamin plays an important role in blood clotting?

A. Vitamin A
B. Vitamin K
C. Vitamin B₁₂
D. Vitamin C

Question 59:

• JAMB 1995

The mammalian organ which acts both as a digestive and as an endocrine organ is the

A. Oesophagus
B. Liver
C. Pancreas
D. Spleen

Question 60:

• JAMB 1996

Given the equation:
6CO2 + 6H2O → C6H12O6 + 6O2 {Under sunlight & Chlorophyll)
The process represented by the above equation is

A. Proteinsynthesis
B. Respiration
C. Photosynthesis
D. Transpiration
E. Translocation