Waec Biology 2015 Past Questions and Answers

Question 46:

• WAEC 2015

The diagram above is illustration of a crocodile. Use it to answer this question.
Two characteristic features of the class to which the crocodile belongs are labelled

A. I and II
B. III and IV
C. II and IV
D. II and V

Question 47:

• WAEC 2015

The diagram above is illustration of a crocodile. Use it to answer this question.
Two characteristic features of the class to which the crocodile belongs are labelled

A. I and II
B. III and IV
C. II and IV
D. II and V

Question 48:

• WAEC 2015

The following organisms have structures for movement except

A. Amoeba
B. Spirogyra
C. Volvox
D. Paramecium

Question 49:

• WAEC 2015

Which of the following statements about protoplasm of a cell is not correct? It

A. Comprises of the nucleus
B. Consists of the cytoplasm
C. Comprises of the cell organelles
D. Consists the nucleus only

Question 50:

• WAEC 2015

(a) Explain briefly sexual reproduction in Rhizopus.
(b) A student suddenly stepped on a big snake, he cried for help and ran away.
(i) Name the hormone produced in the body for the reaction.
(ii) In which part of the human body is the hormone named in (b) (i) produced?
(iii) State five changes that must have taken place as a result of the hormone named in (a) (i).
(c) (i) In tabular form, state three differences between excretion in flowering plants and excretion in humans,
(ii) List two organelles found in plant cell that are responsible for the excretion of metabolic wastes.