FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 346:

• JAMB 1989

Mineral salts can be absorbed into the roots by

A. Osmosis only
B. Osmosis and diffusion
C. Diffusion and active transport
D. Imbibition only

Question 347:

• JAMB 1989

In dicotyledonous stem, each companion cell is founded beside the

A. Endodermal cell
B. Xylem vessel
C. Sieve tube
D. Pericyclic fibre

Question 348:

• JAMB 1989

If a healthy potted plant is continuously kept in dim light

A. The rate of respiration may equal that of photosynthesis
B. More carbondioxide and water are taken in
C. Respiration may be halted
D. The volume of oxygen released increase

Question 349:

• JAMB 1989

The pancreatic juice contains the enzymes amylopsin,

A. Pepsin and trpsinogen
B. Rennin and steapsin
C. Steapsin and trypsinogen
D. Steapsin and ptyalin

Question 350:

• JAMB 1989

Aged erythrocytes are dissolved in the

A. Pancreas
B. Liver
C. Lymph nodes
D. Kidney