FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 456:

• JAMB 1992

The grand period of growth is represented by

A. N
B. M
C. L
D. K

Question 457:

• JAMB 1992

Neurons that receive stimuli from the body or internal organs are called

A. Sensory neurons
B. Efferent neurones
C. Motor neurones
D. Relay neurones

Question 458:

• JAMB 1992

Pawpaw seeds collected from a tree with many desirable agronomic qualities did not give rise to plants of desirable character as the parent because

A. Seeds are not reliable for propagating plants
B. Uncontrolled out-crossing can introduced unwanted variability
C. Vegetative propagation is best form of reproduction of all crop
D. Seeds were not physiologically mature at the harvest

Question 459:

• JAMB 1993

On what structure are the units of inheritance situated?

A. Golgi bodies
B. Ribosomes
C. Chromosomes
D. Endoplasmic reticulum

Question 460:

• JAMB 1993

Production of naked seeds is a distinctive feature of the group of plant called

A. Grasses
B. Conifers
C. Legumes
D. Palms