Transport - Jamb Biology Past Questions and Answers

Question 11:

• JAMB 1979

The movement of molecules from a region of higher concentration to one of lower concentration is

A. Diffusion
B. Transpiration
C. Osmosis
D. Translocation
E. Plasmolysis

Question 12:

• JAMB 1979

The hepatic portal vein is characterized by

A. Beginning and ending with capillaries
B. Connecting the liver and the kidney
C. Carrying deoxygenated blood
D. Ending with large capillaries
E. Having no capillaries

Question 13:

• JAMB 1979

The blood vessel which carries digested food from the small intestine to the liver is the

A. Renal vain
B. Renal artery
C. Hepatic artery
D. Hepatic portal vein
E. Coelic artery

Question 14:

• JAMB 1979

The major function of contractile vacuole in amoeba is

A. To secrete enzyme to digest food particles
B. To store excess food materials
C. To excrete nitrogenous waste
D. To absorb water from the surrounding
E. To collect and expel water in the cytoplasm

Question 15:

• JAMB 1979

Root hair have their origin from

A. Endodermis
B. Pericycle
C. Cortex
D. Epidermis
E. Xylem