Biology 2020 Waec Past Questions and Answers

Question 51 :

• WAEC 2020

The cell as the basic unit of life consists of

A. Cell wall and vacuole
B. Nucleus and cell wall
C. Cytoplasm and nucleus
D. Cytoplasm and vacuole

Question 52 :

• WAEC 2020

Use the following Classes of Arthropoda to answer the question below
I. Crustacea II. Insecta III. Arachinda IV. Chilopoda

Which members of the classes live mainly in an aquatic habitat?


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

Question 53 :

• WAEC 2020

Use the following Classes of Arthropoda to answer the question below
I. Crustacea II. Insecta III. Arachinda IV. Chilopoda

Which of the classes is characterised by the possession of two pairs of antennae?

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

Question 54 :

• WAEC 2020

The organism with spiral chloroplasts and nucleus suspended by cytoplasmic strands is

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

Question 55 :

• WAEC 2020

The network of double membrane that conveys materials through the cytoplasm is the

A. Plasma membrane
B. Nuclear membrane
C. Mitochondrion
D. Endoplasmic reticulum