FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 381:

• JAMB 1990

Excretory products responsible for the red, purple and blue colours of flowers are called

A. Alkaloid
B. Tannins
C. Anthocyanins
D. Resins

Question 382:

• JAMB 1990

Etiolation is caused by the influence of

A. Minerals salt
B. Water
C. Carbondioxide
D. Light

Question 383:

• JAMB 1990

Muscles are indirectly attached to bones by means of

A. Ligaments
B. Membranes
C. Tendons
D. Sutures

Question 384:

• JAMB 1990

During mammalian embryo development, large amounts of oestrogen and progesterone are produced in the

A. Umbilical cord
B. Amnion
C. Placenta
D. Amniotic fluid

Question 385:

• JAMB 1990

Fruits which develop without fertilization are described as

A. Simple
B. Pathencorpic
C. Aggregate
D. Compound