Biology Past Questions and Answers

The excretory product of some reptiles, birds and insects is

The diagram above is an illustration of the longitudinal section of a plant organ. Study to answer the question below.


Food is stored in the part labeled

The diagram below is an illustration of the longitudinal section of a plant organ. Study it and answer the question below;

The plant is a

The diagram below is an illustration of the longitudinal section of a plant organ. Study it and answer the question below;

The part labeled ! is the

Which of the following materials is not a living semi-permeable membrane?