WAEC GCE Biology Questions 2021 and Answers Latest Update

WAEC GCE Biology Questions 2021: WAEC GCE Biology past random repeated questions is now available for free on our website. This is especially for candidates preparing to write the 2021 Biology WAEC GCE examination. Read on…

In this article,  You will also understand how WAEC GCE Biology questions are set and many more examination details. All you need to do is to stay focus and follow this guide.

The West African Examinations Council (WAEC) is an examination board that conducts the West African Senior School Certificate Examination (WASSCE), for University and Jamb entry examination in West Africa countries. In a year, over three million candidates registered for the exams coordinated by WAEC.

WAEC GCE Biology Questions and Answers 2021

EXAMINATION SCHEME: The Biology 2 (Essay) paper will start by 09:30 am and will last for 1hr 40mins while the biology 1 (Objective) exam will commence at 11.10 am and will last for 50mins.

In this post, we will be posting samples of the WAEC Biology questions for candidates that will participate in the examination from past questions.

OBJECTIVE (OBJ) ANSWER:

1-10: ABBCCCDCCA

11-20: AABAADBDBC

21-30: BAAAADCCBC

31-40: CDADCCCBBB

41-50: CACAAABCAC

Section B [Essay] Questions:

1. (a) Describe briefly the role of the stomach in digestion.
(b) (i) Name three parts of plants in which food can be stored
(ii) Give one example in each case.
(c) Explain briefly how the level of sugar in the mammalian blood can be regulated.

2. (a)(i) What is sexual reproduction?
(ii) Name four organs in mammals that produce sex hormones.
(iii) Name one sex hormone produced by each of the organs named in 2(a)(i).
(b) In a tabular form outline three differences between reproductions in lizards and birds.
(c) (i) How are identical twins forms in humans?
(ii) State three characteristic features of identical twins.

3. (a) Explain the following terms:
(i) disease;
(ii) symptoms of diseases
(b) (i) List two physical and two chemical barriers that prevent pathogens from penetrating the body of an organism.
(ii) Explain how vaccination protects the body from contracting infectious diseases.
(c) Distinguish between an antibody and an antigen.
(d) Name the causative agents of: (i) Malaria; (ii) Cholera; (iii) AIDS.

4. (i) What is respiration?
(ii) In a tabular form, state four differences between gaseous exchange and aerobic respiration
(b) (i) Explain the term residual air.
(ii) What is the importance of residual air to mammals?
(iii) State four characteristic features associated with respiratory structures.
(c) (i) What is oxygen debt?
(ii) Outline three activities that can result in oxygen debt.

5. (a) (i) What is conservation?
(ii) State six factors responsible for the decline of the abundance and variety of wildlife.
(b) Outline six ways in which the government can improve the situation in 5(a) (ii) above.
(c) (i) What is Eutrophication?
(ii) State two causes of eutrophication.

6. (a) What is photosynthesis?
List: (i) four external factors;
(ii) two internal factors; that affect the rate of photosynthesis.
(b) (i) List the major products of the light-dependent stage of photosynthesis.
(ii) State the importance of each of the products listed in 6(c) (i) above.
(c) (i) Explain why there are no green plants at the lower depths of some lakes.
(ii) State why decomposers are important to flowering plants.

7. (a) (i) What is a gene?
(ii) Differentiate between the terms genotype and phenotype.
(b) Explain the following terms: (i) hybrid; (ii) pure breeding; (iii) nucleotide.
(c) In garden pea seeds, a smooth seed coat is dominant over a rough seed coat.
With the aid of a genetic diagram, determine the result expected if a homozygous rough pea is crossed with a smooth seed coat plant whose parent were rough-coated.

8. (a) (i)  Describe epigeal germination of a seed.
(ii) In a tabular form, state three differences between epigeal germination and hypogeal germination.
(b) (i)  What is seed dormancy?
(ii)  State three ways by which dormancy in seeds can be broken.
(c) State six advantages of using contraceptives in human populations.

DISCLAIMER! These are not real WAEC GCE Biology questions but likely repeated questions over the years to help candidate understand the nature of their examinations. Ensure to take note of every questions provided on this page.

WAEC GCE Biology questions and answers are updated often. Kindly provide us your phone number and email address in the comment box below. Also, feel free to ask any questions pertaining to this guide.

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CSN Team