FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 301:

• JAMB 1987

In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to

A. Prevent alga growth in culture solution
B. Allow root growth
C. Prevent breakdown of mineral elements
D. Prevent photosynthesis in the root

Question 302:

• JAMB 1987

The vitamin which is important in the formation of the retina pigment is

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D

Question 303:

• JAMB 1987

Which of the following lists of organs is directly involved in nutrition?

A. Oesophagus, bronchus, stomach, pancreas and anus
B. Spleen, pharynx, duodenum, jejunum and rectum
C. Teeth, oesophagus, ileum lungs and large intestine
D. Salivary gland, liver, stomach, villi and colon

Question 304:

• JAMB 1987

In the standard experiment to show that oxygen is given off during photosynthesis, sodium bicarbonate is used to

A. Neutralize the acid in water
B. Supply mineral salt to water plant
C. Supply carbondioxide for photosynthesis
D. Kill micro-organisms in water

Question 305:

• JAMB 1987

One cubic centimeter of lymph is richer than an equal volume of blood in

A. Erythrocytes
B. Leucocytes
C. Amino acid
D. Glucose