FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 901:

• JAMB 2010

Mycorrhizae promote plant growth by

A. Absorbing inorganic ions from the soil
B. Protecting it from infection
C. Helping it to utilize atmospheric nitrogen
D. Serving as a growth regulator

Question 902:

• JAMB 2010

The barrier between maternal and foetal blood is the

A. Placenta
B. Liver
C. Umbilical chord
D. Uterine wall

Question 903:

• JAMB 2010

The blood component that has the greatest affinity for oxygen is the

A. Lymphocytes
B. Leucocytes
C. Erythrocytes
D. Thrombocytes

Question 904:

• JAMB 2010

The two halves of the pelvic girdle are joined together at the

A. Public symphysis
B. Ilium
C. Pubis
D. Obturator foramen

Question 905:

• JAMB 2010

Thyroxine and adrenalin are examples of hormones which control

A. Blood grouping
B. Tongue rolling
C. Behavioural patterns
D. Colour variation