1990 - JAMB Biology Past Questions and Answers - page 4

The organ which secretes digestive enzymes as well as hormones is the

The vilius in the small intestine is significant because it

If a ring of bark and phloem is removed from a stem, the

Transpiration can be measured with a

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

Etiolation is caused by the influence of

Muscles are indirectly attached to bones by means of

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

Fruits which develop without fertilization are described as

The type of placentation shown in the figure above is a